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Yang Y, Wang R, Liu J, Peng Y, Dai Z, Jiang W, Yao L, Yang L. Recycling of manganese ore desulfurization slag for preparation of low-temperature NH 3-SCR catalyst with good scale-up production performance. J Hazard Mater 2024; 469:133988. [PMID: 38461663 DOI: 10.1016/j.jhazmat.2024.133988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 02/25/2024] [Accepted: 03/06/2024] [Indexed: 03/12/2024]
Abstract
Considering the synergistic carbon/pollution reduction and resource utilization, this study proposes recycling of manganese desulfurization slag to prepare low-temperature NH3 -SCR catalyst based on solid-state ion-exchange. The desulfurization slag was hydrothermally treated to be support under mild conditions, with the parent manganese oxide ore serving as active component. Hydrothermal treatment with a desulfurization slag to NaOH mass ratio of 1.0, at 100 °C for 10 h were actually cost-effective conditions for DS recycling. The catalyst with 13.6 wt% of Mn and activated at 450 °C for 2 h in air (MO3/DSH-450 -2) performed the best, with a NO conversion of 86.9% at 150 °C and 10000 h-1, and up to 92.6% at 175 °C. Hydrothermal treatment of DS, SSIE and calcination activation resulting in a rich surface acidity and lattice oxygen of MO3/DSH, coupled with better chemical state distribution of active metal sites, promoting the NH3 -SCR activity. The scale-up produced MO3/DSH-G maintained 90.4% NOx conversion at 175 °C, showing good robustness, flexibility, and better sulfur/water resistance. The development of MO3/DSH catalyst may make full use of natural manganese ore, is a typical coupling strategy for carbon-pollutant synergistic emission reduction and resource fully utilize.
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Affiliation(s)
- Yuzhu Yang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, PR China
| | - Runqing Wang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, PR China
| | - Jie Liu
- College of Carbon Neutrality Future Technology, Sichuan University, Chengdu 610065, PR China; National Engineering Research Center for Flue Gas Desulfurization, Chengdu 610065, PR China
| | - Yujin Peng
- College of Architecture and Environment, Sichuan University, Chengdu 610065, PR China; National Engineering Research Center for Flue Gas Desulfurization, Chengdu 610065, PR China
| | - Zhongde Dai
- College of Carbon Neutrality Future Technology, Sichuan University, Chengdu 610065, PR China; National Engineering Research Center for Flue Gas Desulfurization, Chengdu 610065, PR China
| | - Wenju Jiang
- College of Carbon Neutrality Future Technology, Sichuan University, Chengdu 610065, PR China; National Engineering Research Center for Flue Gas Desulfurization, Chengdu 610065, PR China
| | - Lu Yao
- College of Carbon Neutrality Future Technology, Sichuan University, Chengdu 610065, PR China; National Engineering Research Center for Flue Gas Desulfurization, Chengdu 610065, PR China
| | - Lin Yang
- College of Carbon Neutrality Future Technology, Sichuan University, Chengdu 610065, PR China; National Engineering Research Center for Flue Gas Desulfurization, Chengdu 610065, PR China.
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Szwajca A, Lucejko JJ, Berdychowska N, Zborowska M. Understanding changes in holocellulose and lignin compounds in wooden structure of veneers: Molecular insights post hydrothermal treatment and aging. Int J Biol Macromol 2024; 266:130920. [PMID: 38513902 DOI: 10.1016/j.ijbiomac.2024.130920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 03/23/2024]
Abstract
Veneers obtained via hydrothermal treatment serve to enhance the aesthetic appeal of furniture and other wooden surfaces. However, the impact of this treatment on the chemical composition of holocellulose and lignin, coupled with their resistance to ultraviolet (UV) irradiation, remains a relatively unexplored area requiring further investigation. In the experiment, wood samples of three distinct species underwent hydrothermal treatment followed by exposure to UV aging. Parameters including colour, contact angle, and acid-base properties were examined alongside their chemical alterations during these processes. These observed properties were then correlated with changes identified through FT-IR and Py-GC/MS analyses to uncover their molecular origins. Through these methods, the study offered insights into the chemical transformations driving the observed alterations. Findings revealed the considerable impact of hydrothermal treatment on these properties and their propensity for modification under UV radiation. In most test variations, hydrothermal treatment amplified tendencies toward colour changes, increased hydrophobicity, and basicity. Analysis of chemical changes suggested the degradation of polysaccharides due to hydrothermal treatment and lignin breakdown under UV irradiation. Understanding these molecular changes provides a foundation for mitigating the adverse effects of hydrothermal wood treatment.
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Affiliation(s)
- Anna Szwajca
- Department of Synthesis and Structure of Organic Compounds, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland.
| | | | - Natalia Berdychowska
- Department of Chemical Wood Technology, Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 38/42, 60-637 Poznań, Poland
| | - Magdalena Zborowska
- Department of Chemical Wood Technology, Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 38/42, 60-637 Poznań, Poland.
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3
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Álvarez-Viñas M, Zamboni F, Torres MD, Collins MN, Domínguez H. Hydrothermal processing of Sarcopeltis skottsbergii and study of the potential of its carrageenan for tissue engineering. Int J Biol Macromol 2024; 266:131456. [PMID: 38588844 DOI: 10.1016/j.ijbiomac.2024.131456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/30/2024] [Accepted: 04/05/2024] [Indexed: 04/10/2024]
Abstract
The red macroalga Sarcopeltis skottsbergii was subjected to hydrothermal processing to maximize the solubilization and recovery of carrageenan. Once isolated by ethanol precipitation, the carrageenan was further chemically (oligosaccharides composition), and structurally (TGA/DTG, DSC, HPSEC, FTIR-ATR, 1H NMR, SEM, etc.) characterized, as well as employed as source for the synthesis of hydrogels. The rheological properties of the carrageenan showed promising results as biopolymer for food applications due to the high molecular weight (500 kDa) presenting higher cell viability than 70 %. The evaluation of immune activation using ELISA test reflected a lower inflammatory response for concentrations of 0.025 % of carrageenan. Conversely, the cell viability of the synthesized hydrogels did not surpass 50 %. This work represents a considerable step forward to obtain a biopolymer from natural sources and a thorough study of their chemical, structural and biological properties.
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Affiliation(s)
- Milena Álvarez-Viñas
- Department of Chemical Engineering, University of Vigo (Campus Ourense), Edificio Politécnico, As Lagoas, 32004 Ourense, Spain; Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Fernanda Zamboni
- Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland; Health Research Institute, SFI BiOrbic and SFI AMBER centre University of Limerick, Limerick V94 T9PX, Ireland
| | - María Dolores Torres
- Department of Chemical Engineering, University of Vigo (Campus Ourense), Edificio Politécnico, As Lagoas, 32004 Ourense, Spain.
| | - Maurice N Collins
- Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland; Health Research Institute, SFI BiOrbic and SFI AMBER centre University of Limerick, Limerick V94 T9PX, Ireland
| | - Herminia Domínguez
- Department of Chemical Engineering, University of Vigo (Campus Ourense), Edificio Politécnico, As Lagoas, 32004 Ourense, Spain
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4
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Miserli K, Boti V, Konstantinou I. Analysis of perfluorinated compounds in sewage sludge and hydrochar by UHPLC LTQ/Orbitrap MS and removal assessment during hydrothermal carbonization treatment. Sci Total Environ 2024; 929:172650. [PMID: 38649038 DOI: 10.1016/j.scitotenv.2024.172650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/28/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
Wastewater treatment plants have been recognized as important sinks for per- and polyfluoroalkyl substances (PFAS) because of their ineffectiveness in removing them reflecting both water and sewage sludge discharge routes. Hydrothermal treatment represents an alternative technology for treating sludge to recover energy and other valuable products. In this study, 15 PFAS were determined in sludge and hydrochar substrates using sonication-solid phase extraction procedure and analyzed using LC-Orbitrap-High Resolution-MS/MS. The method was fully validated, exhibiting very good linearity, recoveries in the range of 48 to 126 %, low detection and quantification limits with expanded uncertainty and precision below 32 % and 21.9 %, respectively. The method was applied to sludge samples from the WWTP of Ioannina city (Greece), as well as to hydrothermally treated samples under various conditions. The most abundant PFAS were PFHxA (0.5-38.3 ng g-1) and PFOS (4.4-22.1 ng g-1). Finally, the hydrothermally treated sludge samples spiked with PFAS presented removal efficiencies for total PFAS of 86.9 %, 91.8 % and 95.7 % at three spiking levels namely 10, 50 and 200 ng g-1, respectively. Results indicated that PFCAs were almost completely removed, except for PFOA, while the concentrations of PFSAs increased in the produced hydrochar with the formation of several intermediates, as detected by HR-LC-MS/MS. The results of this study demonstrate the effect of hydrothermal treatment to the fate of PFAS in sewage sludge and contribute for further studies on design and scale up of hydrothermal carbonization technology as a management option for safer disposal of municipal wastewater sludge.
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Affiliation(s)
| | - Vasiliki Boti
- Department of Chemistry, University of Ioannina, 45110, Greece; Institute of Environment and Sustainable Development, University Research and Innovation Center, University of Ioannina, 45110, Greece
| | - Ioannis Konstantinou
- Department of Chemistry, University of Ioannina, 45110, Greece; Institute of Environment and Sustainable Development, University Research and Innovation Center, University of Ioannina, 45110, Greece.
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Li Q, Sun D, Chen F, Xu H, Xu Z. New insights into interaction between oil and solid during hydrothermal treatment of oily sludge. J Hazard Mater 2024; 471:134358. [PMID: 38657510 DOI: 10.1016/j.jhazmat.2024.134358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Hydrothermal treatment (HT) can effectively dehydrate and reduce oily sludge (OS) volume, but the resulting hydrothermal oily sludge (HOS) presents greater challenges for washing than the initial oily sludge (IOS). This study examines the effects of HT on OS by analyzing changes in water, oil, and solid. Results indicate that HT considerably decreases the water content in OS while increasing resin and asphaltenes contents. In addition, condensation, side-chain scission, and oxidation reactions occur during the HT process, resulting in coking, agglomeration, and an increase in oxygen-containing groups. This increase, further confirmed by X-ray photoelectron spectroscopy (XPS), enhances the interaction between oil and solids. Calcite, the most prevalent solid-phase component, may form a calcium bridge with the oxygen-containing groups. Moreover, HT reduces the solid particle size, thereby increasing the oil-solid contact area. Interestingly, the process of deasphalting diminishes the interaction between oil and solids, facilitating sludge washing. After washing, the residual oil content in HOS is reduced to less than 0.34%. This study elucidates why HOS is challenging to separate from oil and solids and introduces a novel method that combines dodecylbenzene sulfonic acid (DBSA)-assisted heptane deasphalting with conventional washing techniques. This method shows promise for applications in OS affected by weathering processes.
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Affiliation(s)
- Qi Li
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, PR China; Tianjin Key Laboratory of Tertiary Oil Recovery and Oilfield Chemistry Enterprises, Oil Production Technology Institute, Dagang Oilfield Company, PetroChina, Tianjin 300280, PR China.
| | - Dejun Sun
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, PR China
| | - Feng Chen
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, PR China
| | - Haoran Xu
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, PR China
| | - Zhenghe Xu
- Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, PR China
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Rasaq WA, Thiruchenthooran V, Telega P, Bobak Ł, Igwegbe CA, Białowiec A. Optimizing hydrothermal treatment for sustainable valorization and fatty acid recovery from food waste. J Environ Manage 2024; 357:120722. [PMID: 38569260 DOI: 10.1016/j.jenvman.2024.120722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/26/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
This study employs response surface methodology and a central composite design (CCD) to optimize hydrothermal treatment (HTT) conditions for the valorization of food waste (FW). Lab-scale pressure reactor-based HTT processes are investigated to detect the effects of temperature (220-340 °C) and resident time (90-260 min) on elemental composition and fatty acid recovery in the hydrothermal liquid. Central to the study is the identification of temperature as the primary factor influencing food waste conversion during the HTT process, showcasing its impact on HTT product yields. The liquid fraction, rich in saturated fatty acids (SFA), demonstrates a temperature-dependent trend, with higher temperatures favoring SFA recovery. Specifically, HTT at 340 °C in 180 min exhibits the highest SFA percentages, reaching up to 52.5 wt%. The study establishes HTT as a promising avenue for nutrient recovery, with the liquid fraction yielding approximately 95% at optimized conditions. Furthermore, statistical analysis using response surface methodology predicts the optimal achievable yields for hydrochar and hydrothermal liquid at 6.15% and 93.85%, respectively, obtained at 320 °C for 200 min.
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Affiliation(s)
- Waheed A Rasaq
- Department of Applied Bioeconomy, Wrocław University of Environmental and Life Sciences, 37a Chełmońskiego Str., 51-630 Wrocław, Poland.
| | - Vaikunthavasan Thiruchenthooran
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland.
| | - Paweł Telega
- Department of Applied Bioeconomy, Wrocław University of Environmental and Life Sciences, 37a Chełmońskiego Str., 51-630 Wrocław, Poland.
| | - Łukasz Bobak
- Department of Functional Food Products Development, Wroclaw University of Environmental and Life Sciences, 51-630, Wrocław, Poland.
| | - Chinenye Adaobi Igwegbe
- Department of Applied Bioeconomy, Wrocław University of Environmental and Life Sciences, 37a Chełmońskiego Str., 51-630 Wrocław, Poland; Department of Chemical Engineering, Nnamdi Azikiwe University, P.M.B. 5025, Awka 420218, Nigeria.
| | - Andrzej Białowiec
- Department of Applied Bioeconomy, Wrocław University of Environmental and Life Sciences, 37a Chełmońskiego Str., 51-630 Wrocław, Poland.
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7
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Rudjito RC, Matute AC, Jiménez-Quero A, Olsson L, Stringer MA, Krogh KBRM, Eklöf J, Vilaplana F. Integration of subcritical water extraction and treatment with xylanases and feruloyl esterases maximises release of feruloylated arabinoxylans from wheat bran. Bioresour Technol 2024; 395:130387. [PMID: 38295956 DOI: 10.1016/j.biortech.2024.130387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/05/2024]
Abstract
Wheat bran is an abundant and low valued agricultural feedstock rich in valuable biomolecules as arabinoxylans (AX) and ferulic acid with important functional and biological properties. An integrated bioprocess combining subcritical water extraction (SWE) and enzymatic treatments has been developed for maximised recovery of feruloylated arabinoxylans and oligosaccharides from wheat bran. A minimal enzymatic cocktail was developed combining one xylanase from different glycosyl hydrolase families and a feruloyl esterase. The incorporation of xylanolytic enzymes in the integrated SWE bioprocess increased the AX yields up to 75%, higher than traditional alkaline extraction, and SWE or enzymatic treatment alone. The process isolated AX with tailored molecular structures in terms of substitution, molar mass, and ferulic acid, which can be used for structural biomedical applications, food ingredients and prebiotics. This study demonstrates the use of hydrothermal and enzyme technologies for upcycling agricultural side streams into functional bioproducts, contributing to a circular food system.
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Affiliation(s)
- Reskandi C Rudjito
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
| | - Alvaro C Matute
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
| | - Amparo Jiménez-Quero
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
| | - Lisbeth Olsson
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, 412 96 Gothenburg, Sweden; Wallenberg Wood Science Center, Chalmers University of Technology, Kemigården 4, 412 96 Gothenburg, Sweden
| | | | | | - Jens Eklöf
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Denmark
| | - Francisco Vilaplana
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden; Wallenberg Wood Science Centre, KTH Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden.
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Lu L, Tang D, Luo Z, Mo H, Sun Y, Hu J, Sun J. Water hyacinth derived hierarchical porous biochar absorbent: Ideal peroxydisulfate activator for efficient phenol degradation via an electron-transfer pathway. Environ Res 2024; 242:117773. [PMID: 38029829 DOI: 10.1016/j.envres.2023.117773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/30/2023] [Accepted: 11/13/2023] [Indexed: 12/01/2023]
Abstract
In this paper, a facile hydrothermal pretreatment and molten salt activation route was presented for preparing a self-doped porous biochar (HMBC) from a nitrogenous biomass precursor of water hyacinth. With an ultrahigh specific surface area (2240 m2 g-1), well-developed hierarchical porous structure, created internal structural defects and doped surface functionalities, HMBC exhibited an excellent adsorption performance and catalytic activity for phenol removal via peroxydisulfate (PDS) activation. Specifically, the porous structure promoted the adsorption of PDS on HMBC, forming a highly active HMBC/PDS* complex and thereby increasing the oxidation potential of the system. Meanwhile, the carbon defective structure, graphitic N and CO groups enhanced the electron transfer process, favoring the HMBC/PDS system to catalyze phenol oxidation via an electron transfer dominated pathway. Thus, the system degraded phenol effectively with an ultralow activation energy of 4.9 kJ mol-1 and a remarkable oxidant utilization efficiency of 8.2 mol mol-oxidant-1 h-1 g-1. More importantly, the system exhibited excellent resistance to water quality and good adaptability for decontaminating different organic pollutants with satisfactory mineralization efficiency. This study offers valuable insights into the rational designing of a low-cost biochar catalyst for efficient PDS activation towards organic wastewater remediation.
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Affiliation(s)
- Li Lu
- Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environment, South-Central Minzu University, Wuhan 430074, PR China
| | - Diyong Tang
- Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environment, South-Central Minzu University, Wuhan 430074, PR China.
| | - Zhipeng Luo
- Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environment, South-Central Minzu University, Wuhan 430074, PR China
| | - Huangkaiyue Mo
- Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environment, South-Central Minzu University, Wuhan 430074, PR China
| | - Yimeng Sun
- Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environment, South-Central Minzu University, Wuhan 430074, PR China
| | - Jingjing Hu
- Experimental Teaching and Laboratory Management Center, South-Central Minzu University, Wuhan 430074, PR China
| | - Jie Sun
- Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environment, South-Central Minzu University, Wuhan 430074, PR China
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Lin C, Tang Y, Sun J, Dong B, Zuxin X. Tracking of the conversion and transformation pathways of dissolved organic matter in sludge hydrothermal liquids during Cr(VI) reduction using FT-ICR MS. J Hazard Mater 2024; 466:133566. [PMID: 38246056 DOI: 10.1016/j.jhazmat.2024.133566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/23/2024]
Abstract
In this study, the remediation effects of two types of sludge (ferric-based flocculant and non-ferric-based flocculant) on Cr(VI)-polluted wastewater were evaluated to clarify the key components in sludge hydrothermal solutions responsible for reducing Cr(VI) and understand the underlying molecular-level transformation mechanisms. The results revealed that the primary reactions during the hydrothermal processes were deamination and decarboxylation reactions. Correlation analysis highlighted proteins, reducing sugars, amino groups, and phenolic hydroxyl groups as the major contributors. In-depth analysis of the transformation process of functional groups within dissolved organic matter (DOM) and synergistic redox process between Cr(VI) and DOM in hydrothermal solutions demonstrated that phenolic hydroxyl and amino groups gradually underwent oxidation during reduction of Cr(VI) by DOM, forming aldehyde and carboxyl groups, among the others. Time-dependent density functional theory calculations revealed notable shift of reducing functional groups from ground state to excited state following iron complexation, ultimately facilitating reduction reaction. Subsequent investigations, including soil column leaching and seed germination rate tests, indicated that synergistic redox interaction between Cr(VI) and DOM significantly reduced waterborne heavy metal and toxic organic pollution. These findings carry substantial implications for sludge treatment and remediation of heavy metal pollution in wastewater, offering valuable insights into effective environmental remediation strategies.
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Affiliation(s)
- Chuanjin Lin
- College of Environmental Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, No. 1239, Siping Road, Shanghai 200092, China
| | - Yanfei Tang
- College of Environmental Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, No. 1239, Siping Road, Shanghai 200092, China
| | - Jing Sun
- College of Environmental Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, No. 1239, Siping Road, Shanghai 200092, China
| | - Bin Dong
- College of Environmental Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, No. 1239, Siping Road, Shanghai 200092, China; YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing 100038, China; College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541006, China.
| | - Xu Zuxin
- College of Environmental Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, No. 1239, Siping Road, Shanghai 200092, China
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10
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Yu Y, Ding Y, Miao C, Yang X, Ge S. Exploring the influence of sludge dewatering agents on Microplastic aging under hydrothermal treatment: Insights from Polylactic Acid microplastics. Environ Res 2024; 240:117471. [PMID: 37871789 DOI: 10.1016/j.envres.2023.117471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/06/2023] [Accepted: 10/20/2023] [Indexed: 10/25/2023]
Abstract
In this research, we examined the combined effects of hydrothermal treatment and different dewatering agents on the morphological, molecular, and functional properties of Polylactic Acid Microplastics (PLA-MPs). Under hydrothermal treatments, the presence of dewatering agents leads to pronounced alterations in PLA-MPs as evidenced by SEM, showing the compound effects of both treatments. In detail, PFS (polyferric sulfate) results in an enhanced porosity on the surface, PAC (polyaluminum chloride) imparts a distinct roughness, while Fe/PMS (iron/peroxymonosulfate) leads to surface deterioration with the emergence of larger pores. Fe/PMS exhibits the most significant difference in its impact on microplastics in both water and sludge, significantly reducing molecular weight in water, while its effect becomes minimal in sludge. The carbonyl index (CI) predominantly increases across agents in water treatments, with PAC standing out with a CI of 17.50. Conversely, in sludge environments, the CI displays a decreasing trend, especially with Fe/PMS which shows a CI of 15.00. Additionally, employing FTIR and XPS analyses, this study validates the rise in oxygen-centric functional groups on PLA-MPs post hydrothermal treatments, particularly a marked enhancement in C=O and C-O groups due to Fe/PMS. Two-dimensional correlation spectroscopy revealed a distinct sequence of spectral changes in PLA-MPs. The hydrothermal samples in water showed the earliest structural alterations, whereas the presence of iron and persulfate in sludge led to the most pronounced molecular transitions, emphasizing the intricate interactions of the microplastics with different chemicals. This study highlights the impact of hydrothermal treatment and dewatering agents on the properties of the microplastics.
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Affiliation(s)
- Yang Yu
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, China.
| | - Yindi Ding
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, China
| | - Chenjia Miao
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, China
| | - Xi Yang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Shifu Ge
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, China
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11
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Flores-Silva PC, Ramírez-Vargas E, Palma-Rodriguez H, Neira-Velazquez G, Hernandez-Hernandez E, Mendez-Montealvo G, Sifuentes-Nieves I. Impact of plasma-activated water on the supramolecular structure and functionality of small and large starch granules. Int J Biol Macromol 2023; 253:127083. [PMID: 37769757 DOI: 10.1016/j.ijbiomac.2023.127083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 09/12/2023] [Accepted: 09/23/2023] [Indexed: 10/01/2023]
Abstract
Hydrothermal (HMT) and water agitation (WA) treatments using plasma-activated water (PAW) were employed as sustainable methods to modify the molecular and functional performance of small (rice) and large (potato) starch granules. HMT-PAW and WA-PAW treatments resulted in etched and damaged granular surfaces that rearranged the long and short-range crystallinity of the modified starches. Both treatments seemed to predominantly occur in the amorphous region of the rice starch and the crystalline regions of the potato starch, changing the crystallinity values from 22.9 and 14.8 % to 31.8 and 10.4 %, respectively. Thus, the level of the arrangement of chains reached after PAW treatment decreased the ability of rice starch granules to swell (16 to 9 %) and leach out starch molecules from the granules (4.5 to 1.3 %), decreasing the viscosity and pasting profiles as indicated by n and k values. Opposite behavior was observed in the modified potato starches since starch components leached out to a higher extent (1.7 to 5.4 %). The results showed that HMT and WA treatments using PAW are feasible eco-friendly methods for modifying starch granules without chemical reagents. These modified starches could be suitable as functional ingredients or biopolymeric matrices for the food and packaging industry.
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Affiliation(s)
- Pamela C Flores-Silva
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna No. 140, C.P. 25253 Saltillo, Coahuila, Mexico.
| | - Eduardo Ramírez-Vargas
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna No. 140, C.P. 25253 Saltillo, Coahuila, Mexico
| | - Heidi Palma-Rodriguez
- Universidad Autónoma del Estado de Hidalgo, Instituto de Ciencias Agropecuarias, Av. Universidad km 1, Rancho Universitario, C.P. 43600 Tulancingo de Bravo, Hidalgo, Mexico
| | - Guadalupe Neira-Velazquez
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna No. 140, C.P. 25253 Saltillo, Coahuila, Mexico
| | - Ernesto Hernandez-Hernandez
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna No. 140, C.P. 25253 Saltillo, Coahuila, Mexico
| | - Guadalupe Mendez-Montealvo
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Cerro Blanco No. 141, Col. Colinas del Cimatario, C.P. 76090 Santiago de Querétaro, Querétaro, Mexico
| | - Israel Sifuentes-Nieves
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna No. 140, C.P. 25253 Saltillo, Coahuila, Mexico.
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12
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Xing JJ, Cheng LL, Feng S, Guo XN, Zhu KX. Humidity-controlled heat treatment of fresh spinach noodles for color preservation and storage quality improvement. Food Chem X 2023; 20:101042. [PMID: 38144827 PMCID: PMC10740017 DOI: 10.1016/j.fochx.2023.101042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/17/2023] [Accepted: 11/29/2023] [Indexed: 12/26/2023] Open
Abstract
The high sensitivity to color browning during room-temperature storage was a significant factor in limiting the development of fresh spinach noodles (FSN). The practice of humidity-controlled heat treatment (HCHT) at varying temperatures, relative humidity, and time was carried out to limit enzyme activity and improve the quality of FSN. Results showed that HCHT could maximize the color preservation of fresh spinach noodle quality while effectively inactivating polyphenol oxidase and the yeasts, and mold count in FSN during storage was almost undetectable after mild conditions (80 °C). The hardness and chewiness of HCHT noodles were significantly increased, but the free sulfhydryl content was reduced. At 80 °C, 90 %, 5 min, protein structural aggregation was found in the microstructure of HCHT fresh spinach noodles. HCHT also caused partial gelatinization, as evidenced by the decrease in starch gelatinization enthalpy from 5.49 to 4.77 J/g, although the gelatinization degree of FSN was comparatively low.
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Affiliation(s)
- Jun-jie Xing
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, PR China
| | - Ling-ling Cheng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, PR China
| | - Shuai Feng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, PR China
| | - Xiao-na Guo
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, PR China
| | - Ke-xue Zhu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, PR China
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13
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Qurtulen, Ahmad A. Green tea waste-derived carbon dots: efficient degradation of RhB dye and selective sensing of Cu 2+ ions. Environ Sci Pollut Res Int 2023; 30:121630-121646. [PMID: 37957492 DOI: 10.1007/s11356-023-30735-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023]
Abstract
Herein, we have synthesized carbon dots (CDs) using a one-step hydrothermal method from green tea waste, a biomass-derived source with high fluorescent properties and excellent solubility in water. The synthesis of CDs was confirmed through a comprehensive range of characterization techniques, including HRTEM (high-resolution transmission electron microscopy), XPS (X-ray photoelectron spectroscopy), and EDX (energy-dispersive X-ray spectroscopy). The optical properties of the synthesized CDs were assessed using UV-Vis spectroscopy and fluorescence (FL) spectroscopy. The CDs displayed exceptional stability across a wide pH range and various concentrations. Moreover, these CDs exhibited a photoluminescence quantum yield (PLQY) of 21.6%, indicating their efficiency in emitting fluorescent light upon excitation. The CDs also showcased their prowess in fluorometrically detecting Cu2+ ions, displaying high sensitivity and selectivity. They presented two distinct linear ranges: 0.02 to 50 µM and 50 to 100 µM, with recovery rates ranging from 94.2 to 104.06%. Moreover, under visible light irradiation, the CDs exhibited significant efficiency in the photocatalytic removal of dyes. Specifically, the CDs achieved degradation rate of 97.89% for Rhodamine B (RhB) within a 30-min irradiation period. In the context of RhB adsorption, it is evident that the experimental data align more closely with the Freundlich isotherm than the Langmuir isotherm. This is substantiated by a higher R2 value (0.97) for the Freundlich isotherm model compared to the Langmuir adsorption isotherm model (0.93). Notably, the adsorption kinetics was effectively described by pseudo first-order kinetics models. Overall, these results highlight the promising potential of CDs in applications such as environmental remediation and waste treatment processes due to their photocatalytic and sensing capabilities.
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Affiliation(s)
- Qurtulen
- Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India.
| | - Anees Ahmad
- Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India
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14
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Guo J, Ellis A, Zhang Y, Kong L, Tan L. Starch-ascorbyl palmitate inclusion complex, a type 5 resistant starch, reduced in vitro digestibility and improved in vivo glycemic response in mice. Carbohydr Polym 2023; 321:121289. [PMID: 37739525 DOI: 10.1016/j.carbpol.2023.121289] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 07/19/2023] [Accepted: 08/09/2023] [Indexed: 09/24/2023]
Abstract
The prevalence of type 2 diabetes (T2D) has become a major public health concern worldwide. Slowly digested or indigestible carbohydrates such as resistant starch (RS) are associated with a low glycemic index (GI) and the decreased risk of developing T2D. Recently, starch inclusion complexes (ICs) have raised attention due to their thermally stable structure and high RS content. In this study, starch-ascorbyl palmitate (AP) ICs were produced using two different methods with hydrothermal treatments performed, and their in vitro digestion kinetics and in vivo glycemic response in C57BL/6J mice were investigated to determine their potential as a new type of RS, i.e., RS5. After treatments of annealing followed by acid hydrolysis (ANN-ACH), IC samples produced by both methods retained V-type crystalline structure. Either in their raw or treated conditions, V6h-AP ICs prepared using the "empty" V-type method exhibited a more favorable hydrolysis pattern as compared to its counterpart produced by the DMSO method in terms of a lower hydrolysis rate and equilibrium concentration (C∞) (p < 0.05). From the in vitro results, the ANN-ACH treated V6h-AP IC exhibited an estimated GI (eGI) value of 54.83, falling within the range of low GI foods and was the lowest among all tested samples (p < 0.05). Consistent with the in vitro digestion kinetics, the in vivo results showed that mice fed with ANN-ACH V6h-AP IC exhibited a modest glycemic response as evidenced by the lowest increase in postprandial blood glucose and AUC blood glucose (p < 0.05). In addition, the in vivo GI of the ANN-ACH V6h-AP IC (39.53) was the lowest among all the sample treatments and was even lower than that of the RS2 comparison (56, p < 0.05), indicating its more pronounced effect in modulating the postprandial glycemic response in mice and great potential as a new RS5.
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Affiliation(s)
- Jiayue Guo
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Amy Ellis
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Yanqi Zhang
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Lingyan Kong
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Libo Tan
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA.
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Prabhu MPT, Chrungoo S, Sarkar N. Amine Group Surface-Functionalized Carbon Quantum Dots Exhibit Anti-amyloidogenic Effects Towards Hen Egg White Lysozyme by Inducing Formation of Nontoxic Spherical Aggregates. Protein J 2023; 42:728-740. [PMID: 37803220 DOI: 10.1007/s10930-023-10157-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/11/2023] [Indexed: 10/08/2023]
Abstract
The tendency of polypeptide chains to deviate from their conventional protein folding pathway and instead get trapped as off-pathway intermediates, has been a matter of great concern. These off-pathway intermediates eventually lead to the formation of insoluble, ordered fibrillar aggregates called amyloids, which are responsible for a host of neurodegenerative diseases like Alzheimer's disease, Parkinson's disease and Type II diabetes. In spite of extensive research, development of an effective therapeutic strategy against amyloidosis still remains elusive. In recent times, carbon quantum dots (CQD) have grabbed the attention of researchers against amyloidogenesis due to their ease of preparation, aqueous soluble nature, unique optical properties, high surface to volume ratio, physio-chemical properties, semi-conducting nature and mainly biocompatible. In the current study, we have reported an easy-to-prepare procedure for synthesis of amine group surface functionalized CQDs from commonly available kitchen spices with anti-oxidant properties. The as-synthesized CQDs were evaluated for their anti-amyloidogenic properties towards Hen Egg White Lysozyme (HEWL). Our results clearly show that the surfaced functionalized CQDs were able to interact with HEWL, thereby forming a stable complex, which was resistant towards amyloid formation and instead lead to the formation of non-toxic globular aggregates.
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Affiliation(s)
- M P Taraka Prabhu
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Shreya Chrungoo
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Nandini Sarkar
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India.
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16
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Ociński D, Jacukowicz-Sobala I, Augustynowicz J, Wołowski K, Cantero DA, García-Serna J, Pińkowska H, Przejczowski R. Algae from Cr-containing infiltrate bioremediation for valorised chemical production - Seasonal availability, composition, and screening studies on hydrothermal conversion. Bioresour Technol 2023; 389:129798. [PMID: 37793554 DOI: 10.1016/j.biortech.2023.129798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/21/2023] [Accepted: 09/21/2023] [Indexed: 10/06/2023]
Abstract
Integrating bioremediation of toxic wastewater with value-added production is increasing interest, but - due to some essential problems - it is hardly applied in industrial practice. The aim of the study was an annual observation of the taxonomic and biochemical composition of various Cr-resistant algal communities grown in the existing Cr-containing infiltrate treatment system, selection of the most suitable algal biomass for infiltrates bioremediation and chromium-loaded algae conversion under mild subcritical conditions. Considering continuous availability and relatively constant chemical composition, Cladophora sp. was selected for utilisation in the chromium bioremediation system, simultaneously as a waste biomass source suitable for hydrothermal conversion. Screening studies conducted in a continuous pilot plant confirmed the possibility of selective extraction of saccharides and their separation from the metals remaining in the solid residual. The negligible concentration of metals in the obtained sugar-rich aqueous phase is essential for its further use in biotechnological processes.
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Affiliation(s)
- Daniel Ociński
- Department of Chemical Technology, Wroclaw University of Economics and Business, 118/120 Komandorska Street, 53-345 Wrocław, Poland.
| | - Irena Jacukowicz-Sobala
- Department of Chemical Technology, Wroclaw University of Economics and Business, 118/120 Komandorska Street, 53-345 Wrocław, Poland
| | - Joanna Augustynowicz
- Department of Botany, Physiology and Plant Protection, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland
| | - Konrad Wołowski
- W. Szafer Institute of Botany, Polish Academy of Sciences, ul. Lubicz 46, 31-512 Kraków, Poland
| | - Danilo A Cantero
- Department of Chemical Engineering and Environmental Technology, University of Valladolid, Escuela de Ingenierías Industriales, 47011 Valladolid, Spain
| | - Juan García-Serna
- Department of Chemical Engineering and Environmental Technology, University of Valladolid, Escuela de Ingenierías Industriales, 47011 Valladolid, Spain
| | - Hanna Pińkowska
- Department of Chemical Technology, Wroclaw University of Economics and Business, 118/120 Komandorska Street, 53-345 Wrocław, Poland
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17
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Yu Y, Zhu B, Ding Y, Zhou C, Ge S. Impacts of poly(lactic acid) microplastics on organic compound leaching and heavy metal distribution during hydrothermal treatment of sludge. Sci Total Environ 2023; 901:166012. [PMID: 37541517 DOI: 10.1016/j.scitotenv.2023.166012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/12/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
This study provides an in-depth examination of the role of poly(lactic acid) microplastics (PLA-MPs) during sludge treatment, particularly in relation to organic compound leaching and heavy metal distribution. Through the application of advanced analytical techniques such as Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), thermal analysis, and gas chromatography-mass spectrometry (GC-MS), the release of degradation byproducts was quantified, and the effects on organic compound leaching and heavy metal distribution were assessed. Specifically, the results demonstrated that PLA-MPs significantly impacted the hydrolysis reaction, with the pH value descending in pure water as the hydrothermal temperature escalated. At 140 °C, the hydrolysate contained 20.66 % propylene ester and 16.57 % lactic acid. Furthermore, an increase in total organic carbon (TOC) was observed with increasing temperature, with TOC content at 140 °C in water almost doubling from that at 120 °C and 130 °C. With respect to heavy metals, the presence of PLA-MPs influenced the migration of Cr(VI) between solid and liquid phases in sludge. Notably, after 180 °C hydrothermal treatment, the content of Cr(VI) in the liquid phase of sludge with PLA-MPs was 9.72 %, which is higher than that of sludge without PLA-MPs at 5.80 %. These findings underline the need to consider PLA-MPs' influence on organic compound leaching and heavy metal distribution during sludge treatment.
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Affiliation(s)
- Yang Yu
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing 210096, PR China.
| | - Bingxing Zhu
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing 210096, PR China
| | - Yindi Ding
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing 210096, PR China
| | - Cailing Zhou
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing 210096, PR China
| | - Shifu Ge
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing 210096, PR China
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18
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Zhu L, Tang W, Ma C, He YC. Efficient co-production of reducing sugars and xylooligosaccharides via clean hydrothermal pretreatment of rape straw. Bioresour Technol 2023; 388:129727. [PMID: 37683707 DOI: 10.1016/j.biortech.2023.129727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/19/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Hydrothermal treatment was applied to pretreat rape straw for the efficient co-production of reducing sugars and xylooligosaccharides. It was observed that hydrothermal treatment using water as solvent and catalyst destructed the compact structure of rape straw and increased its enzymatic digestion efficiency from 24.6% to 92.0%. Xylooligosaccharide (3.3 g/L) was acquired after the treatment under 200 °C for 60 min (severity factor Log Ro = 4.7). With increasing pretreatment intensity from 3.1 to 5.4, the hemicellulose removal increased from 14.4% to 100%, and the delignification was raised from 12% to 44%. Various characterization proved that the surface morphology of treated material showed a porous shape, while the cellulose accessibility, lignin surface area and lignin hydrophobicity were greatly improved. Consequently, hydrothermal pretreatment played a vital role in the sustainable transformation of biomass to valuable biobased compounds, and had a wide range of application prospects in lignocellulosic biorefining.
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Affiliation(s)
- Lili Zhu
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou, China
| | - Wei Tang
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou, China
| | - Cuiluan Ma
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
| | - Yu-Cai He
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou, China; State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China.
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19
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Alcazar-Ruiz A, Villardon A, Dorado F, Sanchez-Silva L. Hydrothermal carbonization coupled with fast pyrolysis of almond shells: Valorization and production of valuable chemicals. Waste Manag 2023; 169:112-124. [PMID: 37421823 DOI: 10.1016/j.wasman.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/23/2023] [Accepted: 07/02/2023] [Indexed: 07/10/2023]
Abstract
In this study, it was found that hydrothermal carbonization (HTC) can be an effective method for almond shell (AS) valorization. The severity of HTC treatment had a significant effect on hydrochar yields, with higher severity promoting carbonization but reducing yields. Furthermore, the work found that HTC treatment effectively demineralized biomass samples by removing inorganic material that could catalyze carbonization. As residence time or temperature increased, the amount of carbon increased, while the amount of oxygen decreased. An acceleration in thermal degradation was detected for hydrochars after pretreating for 4 h. The hydrochars showed they had a higher volatile content than untreated biomass, making them potentially useful for producing quality bio-oil through fast pyrolysis. Finally, HTC treatment led to the production of valuable chemicals such as guaiacol and syringol. For syringol production, HTC residence time had more effect than HTC temperature. However, high HTC temperatures benefited levoglucosan production. Overall, the results demonstrated the potential for HTC treatment to be an effective method for valorizing agricultural waste, offering the possibility of producing valuable chemicals.
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Affiliation(s)
- A Alcazar-Ruiz
- Department of Chemical Engineering, University of Castilla -La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - A Villardon
- Department of Chemical Engineering, University of Castilla -La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - F Dorado
- Department of Chemical Engineering, University of Castilla -La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - L Sanchez-Silva
- Department of Chemical Engineering, University of Castilla -La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain.
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20
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Ghalandari V, Volpe M, Codignole Lùz F, Messineo A, Reza T. Role of acidic hydrochar on dechlorination of waste PVC in high temperature hydrothermal treatment and fuel properties enhancement of solid residues. Waste Manag 2023; 169:125-136. [PMID: 37423054 DOI: 10.1016/j.wasman.2023.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/08/2023] [Accepted: 07/03/2023] [Indexed: 07/11/2023]
Abstract
In this study, the chlorine mitigation from waste polyvinyl chloride (WPVC) during high temperature co-hydrothermal treatment (co-HTT) and the properties of the generated solid products were assessed. WPVC was co-fed with acidic hydrochar (AHC), which was produced via hydrothermal carbonization of pineapple waste in the presence of citric acid water solution. High temperature co-HTT experiments were performed at 300-350 °C, 0.25-4 h of reaction time, and 0-20 wt% AHC loading. Co-HTT solid products (co-HTT_SP) were characterized via proximate analysis, ultimate analyses, combustion analysis, and ash analysis. The results show that the addition of 5% AHC enhances the dechlorination efficiency (DE) of WPVC from 89.35% to 97.66% at 325 °C and 0.5 h. The highest DE, reaching 99.46%, was achieved at 350 °C and 1 h in the presence of 5 wt% AHC. Furthermore, loading 5% AHC improved the higher heat value (HHV) of the solid products from 23.09 to 31.25 MJ/kg at 325 °C and 0.5 h. The maximum HHV (34.77 MJ/kg) of a solid product was achieved at 350 °C, 4 h, in the presence of 5 wt% of AHC. The co-HTT solids shown low slagging indices, fouling indices, alkali indices, and medium chlorine contents. These findings support the viability of WPVC conversion into clean solid fuel via co-HTT.
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Affiliation(s)
- Vahab Ghalandari
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA
| | - Maurizio Volpe
- Faculty of Engineering and Architecture, University of Enna, Kore, viale delle Olimpiadi snc, 94100 Enna, Italy
| | - Fabio Codignole Lùz
- Faculty of Engineering and Architecture, University of Enna, Kore, viale delle Olimpiadi snc, 94100 Enna, Italy
| | - Antonio Messineo
- Faculty of Engineering and Architecture, University of Enna, Kore, viale delle Olimpiadi snc, 94100 Enna, Italy
| | - Toufiq Reza
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA.
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21
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Qaramaleki SV, Mohedano ÁF, Coronella CJ. Phosphorus recovery from aqueous product of hydrothermal carbonization of cow manure. Waste Manag 2023; 168:301-310. [PMID: 37331265 DOI: 10.1016/j.wasman.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/14/2023] [Accepted: 06/09/2023] [Indexed: 06/20/2023]
Abstract
The work studies the recovery of nutrients (phosphorus and nitrogen) from the process water of acid-assisted hydrothermal carbonization (HTC) of cow manure. Three organic acids (formic acid, oxalic acid, and citric acid) and sulfuric acid were evaluated as additives in HTC. Using 0.3 M sulfuric acid, more than 99% of phosphorus and 15.6% of nitrogen from manure are extracted and dissolved during HTC at 170 °C with 10 min reaction time in a batch reactor. Nutrients (mainly phosphorus) were recovered through precipitation from process water by raising the ionic strength of the solution by addition of salts of magnesium and ammonia, and by raising the pH to 9.5. Subsequently, phosphorus-rich solids were recovered containing almost all (greater than 95%) of the dissolved phosphorus in the sulfuric and formic acid assisted runs. Morphology and qualitative chemical analysis of the precipitates were determined. It is shown by XRD that the precipitate formed from process water generated by HTC with oxalic acid is crystalline, although the diffraction pattern could not be matched with any expected substance.
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Affiliation(s)
- Saeed V Qaramaleki
- 1664 N. Virginia St, Chemical and Materials Engineering Dept, University of Nevada, Reno, Nevada, United States
| | - Ángel F Mohedano
- Departamento de Ingeniería Química, Universidad Autónoma de Madrid, Madrid, Spain
| | - Charles J Coronella
- 1664 N. Virginia St, Chemical and Materials Engineering Dept, University of Nevada, Reno, Nevada, United States.
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22
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Chao E, Fan L. Changes in polyphenolic compounds and antioxidant activities of seed-used pumpkin during hydrothermal treatment. Food Chem 2023; 414:135646. [PMID: 36841106 DOI: 10.1016/j.foodchem.2023.135646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 02/02/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023]
Abstract
An environmentally friendly physical processing method, hydrothermal treatment (HT), was used to increase the content of specific compounds and antioxidant activities of seed-used pumpkin byproducts. The influence of hydrothermal temperature (80 °C-160 °C) and time (30-150 min) on changes in polyphenols and antioxidation was evaluated. The results revealed that the maximum free polyphenol content (140 °C for 120 min) was 3.96-fold higher than the untreated samples. Elevated temperature and long duration changed phenolic acid contents. For example, p-coumaric acid, rutin and chlorogenic acid exhibited a decreasing trend, and p-hydroxybenzoic acid, quercetin and cinnamic acid showed an increasing trend. Compared to controls, HT was significantly associated with increased antioxidant activities. To comprehensively reveal the influence of hydrothermal temperature and time on changes in polyphenolic content, back propagation artificial neural network (BP-ANN) models with accurate prediction ability were developed, and the results exhibited well-fitted and strong approximation ability (R2 > 0.95 and RMSE < 2 %) and stability.
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Affiliation(s)
- Erpeng Chao
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China
| | - Liuping Fan
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China; Collaborat Innovat Ctr Food Safety & Qual Control, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China.
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23
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Wang R, Rui P, Wang T, Feng W, Chen Z, Luo X, Zhang H. Resistant starch formation mechanism of amylosucrase-modified starches with crystalline structure enhanced by hydrothermal treatment. Food Chem 2023; 414:135703. [PMID: 36827780 DOI: 10.1016/j.foodchem.2023.135703] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/27/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023]
Abstract
The aim of this study was to reveal the underlying mechanism contributing towards the formation of resistant starch (RS) in amylosucrase-modified starches with crystalline structure enhanced by hydrothermal treatment. The branch chains of waxy corn starch were continuously elongated by amylosucrase, and the retrogradation of elongated starches with weight-average chain length (CLw¯) of 27.0-37.6 yielded B-type retrograded starches (MSs) with crystallinity increasing from 33.1 % (MS-5) to 41.4 % (MS-30). Increasing the starch crystallinity improved the content of RS from 6.7 % of MS-5 to be as much as 41.0 % of MS-30. During the hydrothermal treatment, MS-5 with CLw¯ of 27.0 favored the B → A allomorphic transition, leading to the decreased starch digestibility. Moreover, the hydrothermal treatment facilitated the assembly of double helices to increase starch crystallinity, which further increased the content of RS. The findings of the present study may assist the preparation of functional starches with controllable digestibility.
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Affiliation(s)
- Ren Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Pinxin Rui
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Tao Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Wei Feng
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Zhengxing Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xiaohu Luo
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, Zhejiang, People's Republic of China.
| | - Hao Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China.
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24
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Wang Q, Zhu F, Cheng H, Komarneni S, Ma J. Efficient activation of persulfate by Ti 3C 2 MXene QDs modified ZnFe 2O 4 for the rapid degradation of tetracycline. Chemosphere 2023; 328:138546. [PMID: 37019395 DOI: 10.1016/j.chemosphere.2023.138546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
Mxene-based catalysts with specific interfacial characteristics are beneficial for photocatalytic applications. Herein, Ti3C2 MXene modified ZnFe2O4 nanocomposite materials were prepared for photocatalysis. The morphology and structure of the nanocmposites were characterized by scanning electron microscopy (SEM), High-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS), which revealed that Ti3C2 MXene as quantum dots (QDs) was uniformly distributed on the ZnFe2O4 surface. The Ti3C2 QDs modified ZnFe2O4 catalyst (ZnFe2O4/MXene-15%) under visible light achieved 87% degradation efficiency of tetracycline within 60 min when coupled with persulfate (PS) system. The initial solution pH, PS dosage and co-existing ions were found to be the main factors affecting the heterogeneous oxidation process, while quenching experiments showed that O2•- is the main oxidizing species in the removal of tetracycline in ZnFe2O4/MXene-PS system. In addition, the cyclic experiments suggested that ZnFe2O4/MXene had good stability and thus it may have practical applications in industry.
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Affiliation(s)
- Qi Wang
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China
| | - Fang Zhu
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Guangxi, 545006, China
| | - Sridhar Komarneni
- Department of Ecosystem Science and Management and Materials Research Institute, 204 Materials Research Laboratory, The Pennsylvania State University, University Park, PA, 16802, USA.
| | - Jianfeng Ma
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China.
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25
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da Silva LH, Rinaldi LA, Lazar DRR, Ussui V, Tango RN, Belli R, Lohbauer U, Cesar PF. Development of Y-TZP/MWCNT-SiO 2 nanocomposite for dental protheses. J Mech Behav Biomed Mater 2023; 143:105888. [PMID: 37178636 DOI: 10.1016/j.jmbbm.2023.105888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
Y-TZP/MWCNT-SiO2 nanocomposite was synthesized by co-precipitation and hydrothermal treatment methods. After the characterization of the MWCNT-SiO2 powder, specimens were obtained from the synthesized material Y-TZP/MWCNT-SiO2 by uniaxial pressing for a second characterization and later comparison of its optical and mechanical properties with the conventional Y-TZP. The MWCNT-SiO2 was presented in bundles of carbon nanotubes coated by silica (mean length: 5.10 ± 1.34 μm /D90: 6.9 μm). The composite manufactured was opaque (contrast ratio: 0.9929 ± 0.0012) and had a white color with a slightly difference from the conventional Y-TZP (ΔE00: 4.4 ± 2.2) color. The mechanical properties of Y-TZP/MWCNT-SiO2: vickers hardness (10.14 ± 1.27 GPa; p = 0.25) and fracture toughness (4.98 ± 0.30 MPa m1/2; p = 0.39), showed no significant difference from the conventional Y-TZP (hardness: 8.87 ± 0.89; fracture toughness: 4.98 ± 0.30 MPa m1/2). However, for flexural strength (p = 0.003), a lower value was obtained for Y-TZP/MWCNT-SiO2 (299.4 ± 30.5 MPa) when compared to the control Y-TZP (623.7 ± 108.8 MPa). The manufactured Y-TZP/MWCNT-SiO2 composite presented satisfactory optical properties, however the co-precipitation and hydrothermal treatment methods need to be optimized to avoid the formation of porosities and strong agglomerates, both from Y-TZP particles and MWCNT-SiO2 bundles, which lead to a significant decrease in the material flexural strength.
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Affiliation(s)
- Lucas Hian da Silva
- Department of Biomaterials and Oral Biology, Faculty of Dentistry, Universidade de São Paulo (USP), Brazil
| | - Laura Ajamil Rinaldi
- Department of Biomaterials and Oral Biology, Faculty of Dentistry, Universidade de São Paulo (USP), Brazil
| | | | - Valter Ussui
- Materials Science and Engineering Center, Nuclear and Energy Research Institute (IPEN), Brazil
| | - Rubens Nisie Tango
- Departamento of Dental Materials and Prosthodontics, Institute of Science and Technology (ICT), Universidade Estadual Paulista "Júlio Mesquita Filho" (UNESP), Brazil
| | - Renan Belli
- Research Laboratory for Dental Biomaterials, Dental Clinic 1, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Germany
| | - Ulrich Lohbauer
- Research Laboratory for Dental Biomaterials, Dental Clinic 1, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Germany
| | - Paulo Francisco Cesar
- Department of Biomaterials and Oral Biology, Faculty of Dentistry, Universidade de São Paulo (USP), Brazil.
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Borba VSD, Lemos AC, Cerqueira MBR, Badiale-Furlong E. Pasta cooking influence on in vitro bioaccessibility of type B trichothecenes, acrylamide and hydroxymethylfurfural. Food Res Int 2023; 169:112863. [PMID: 37254437 DOI: 10.1016/j.foodres.2023.112863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/03/2023] [Accepted: 04/18/2023] [Indexed: 06/01/2023]
Abstract
The study evaluated the effect of cooking time on the levels of type B trichothecenes (TCTB), acrylamide (AA) and hydroxymethylfurfural (HMF) in semolina pasta and their bioaccessibilities in order to propose strategies to reduce the daily exposure of these natural and processing contaminants. Three brands of commercial pasta were submitted to different cooking times (7, 10 and 13 min). Subsequently, the in vitro bioaccessibility trials, permeation across the intestinal membrane and estimation of daily exposure were carried out. The lowest cooking time (7 min) resulted in high reductions of TCTB (88%) and AA + HMF (76.7%) contents found on the raw pasta. The concentrations of deoxynivalenol (DON) and AA were higher after the digestion (bioaccessibilities >100%) than after the pasta cooking. About 25.6% of DON and 100% of AA found in the small intestine digestible fraction were able to permeate the intestinal membrane. The risk of exposure was below the recommended safe limits since the estimated daily exposure values were 0.22 µg/kg per body weight/day for DON and 0.26 µg/kg per body weight/day for AA. Therefore, cooking pasta for 7 min at a pasta:water ratio of 1:10 (w/v) mitigates the contaminants and promotes the greater formation of resistant starch.
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Affiliation(s)
- Verônica Simões de Borba
- Mycotoxins and Food Science Laboratory, School of Chemistry and Food, Federal University of Rio Grande - FURG, Avenida Itália Km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
| | - Andressa Cunha Lemos
- Mycotoxins and Food Science Laboratory, School of Chemistry and Food, Federal University of Rio Grande - FURG, Avenida Itália Km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
| | - Maristela Barnes Rodrigues Cerqueira
- Mycotoxins and Food Science Laboratory, School of Chemistry and Food, Federal University of Rio Grande - FURG, Avenida Itália Km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
| | - Eliana Badiale-Furlong
- Mycotoxins and Food Science Laboratory, School of Chemistry and Food, Federal University of Rio Grande - FURG, Avenida Itália Km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
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27
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Shao M, Zhang C, Wang X, Wang N, Chen Q, Cui G, Xu Q. Co-digestion of food waste and hydrothermal liquid digestate: Promotion effect of self-generated hydrochars. Environ Sci Ecotechnol 2023; 15:100239. [PMID: 36820150 PMCID: PMC9937904 DOI: 10.1016/j.ese.2023.100239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 06/18/2023]
Abstract
Hydrothermal treatment (HTT) can efficiently valorize the digestate after anaerobic digestion. However, the disposal of the HTT liquid is challenging. This paper proposes a method to recover energy through the anaerobic co-digestion of food waste and HTT liquid fraction. The effect of HTT liquid recirculation on anaerobic co-digestion performance was investigated. This study focused on the self-generated hydrochars that remained in the HTT supernatant after centrifugation. The effect of the self-generated hydrochars on the methane (CH4) yield and microbial communities were discussed. After adding HTT liquids treated at 140 and 180 °C, the maximum CH4 production increased to 309.36 and 331.61 mL per g COD, respectively. The HTT liquid exhibited a pH buffering effect and kept a favorable pH for the anaerobic co-digestion. In addition, the self-generated hydrochars with higher carbon content and large oxygen-containing functional groups remained in HTT liquid. They increased the electron transferring rate of the anaerobic co-digestion. The increased relative abundance of Methanosarcina, Syntrophomonadaceae, and Synergistota was observed with adding HTT liquid. The results of the principal component analysis indicate that the electron transferring rate constant had positive correlationships with the relative abundance of Methanosarcina, Syntrophomonadaceae, and Synergistota. This study can provide a good reference for the disposal of the HTT liquid and a novel insight regarding the mechanism for the anaerobic co-digestion.
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28
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Zhao F, Tang L, Jiang H, Mao Y, Song W, Chen H. Prediction of heavy metals adsorption by hydrochars and identification of critical factors using machine learning algorithms. Bioresour Technol 2023:129223. [PMID: 37244307 DOI: 10.1016/j.biortech.2023.129223] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 05/29/2023]
Abstract
Hydrochar has become a popular product for immobilizing heavy metals in water bodies. However, the relationships between the preparation conditions, hydrochar properties, adsorption conditions, heavy metal types, and the maximum adsorption capacity (Qm) of hydrochar are not adequately explored. Four artificial intelligence models were used in this study to predict the Qm of hydrochar and identify the key influencing factors. The gradient boosting decision tree (GBDT) showed excellent predictive capability for this study (R2=0.93, RMSE=25.65). Hydrochar properties (37%) controlled heavy metal adsorption. Meanwhile, the optimal hydrochar properties were revealed, including the C, H, N, and O contents of 57.28-78.31%, 3.56-5.61%, 2.01-6.42%, and 20.78-25.37%. Higher hydrothermal temperatures (>220 °C) and longer hydrothermal time (>10 h) lead to the optimal type and density of surface functional groups for heavy metal adsorption, which increased the Qm values. This study has great potential for instructing industrial applications of hydrochar in treating heavy metal pollution.
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Affiliation(s)
- Fangzhou Zhao
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Lingyi Tang
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, T6G 2E3, Canada
| | - Hanfeng Jiang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Yajun Mao
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Wenjing Song
- Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Haoming Chen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China.
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29
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Yang Q, Tang W, Li L, Huang M, Ma C, He YC. Enhancing enzymatic hydrolysis of waste sunflower straw by clean hydrothermal pretreatment. Bioresour Technol 2023:129236. [PMID: 37244309 DOI: 10.1016/j.biortech.2023.129236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/20/2023] [Accepted: 05/21/2023] [Indexed: 05/29/2023]
Abstract
Hydrothermal pretreatment is an effective way to change the lignocellulose structure and improve its saccharification. An efficient hydrothermal pretreatment of sunflower straw was conducted when the severity factor (LogR0) was 4.1. 60.4% of xylan and 36.5% of lignin were removed at 180 ℃ for 120 minutes with a solid-to-liquid ratio of 1:15. A series of characterizations (such as X-ray diffraction, Fourier Transform infrared spectroscopy, scanning electron microscopy, chemical component analysis, cellulase accessibility) proved that hydrothermal pretreatment destroyed sunflower straw surface structure, enlarged its pores, and enhanced the accessibility to cellulase (371.2 mg/g). After the enzymatic saccharification of treated sunflower straw for 72 h, 68.0% yield of reducing sugar and 61.8% yield of glucose were achieved, and 4.0 g/L xylo-oligosaccharide was obtained in the filtrate. Overall, this easy-to-operate and green hydrothermal pretreatment could effectively destroy the surface barrier of lignocellulose, help remove lignin and xylan, and increase the enzymatic hydrolysis efficiency.
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Affiliation(s)
- Qizhen Yang
- School of Pharmacy, Changzhou University, Changzhou 213164, PR China
| | - Wei Tang
- School of Pharmacy, Changzhou University, Changzhou 213164, PR China
| | - Lei Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei University, Wuhan 430062, PR China
| | - Menghan Huang
- School of Pharmacy, Changzhou University, Changzhou 213164, PR China
| | - Cuiluan Ma
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei University, Wuhan 430062, PR China
| | - Yu-Cai He
- School of Pharmacy, Changzhou University, Changzhou 213164, PR China.
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30
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Zhang Y, Zhao Y, Ji J, Zhang W, Wei W, Li J, Liu Y, Tao H, Zhang H. Reduction and valorization of dairy manure by organic chelating acid-assisted hydrothermal process: Dewatering performance, energy recovery, and effluent toxicity. Waste Manag 2023; 163:134-143. [PMID: 37011561 DOI: 10.1016/j.wasman.2023.03.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/07/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
Livestock manure with high moisture content is a challenge for management and further disposal. In this study, the organic chelating acid(EDTA)-assisted hydrothermal (EAHT) process was used to achieve dewatering, dry mass minimization, and volume reduction of dairy manure (DM). The hydrophobic modification of DM resulted in a 55% reduction in dry mass, and the specific resistance to filtration (SRF) showed a shift in dewatering performance from unfilterable to highly filterable. An investigation of the reaction mechanisms suggests that proteins and polysaccharides were released from the damaged extracellular polymeric substances (EPS) of the DM into effluent. The surface functional groups of the hydrochar were changed from hydrophilic to hydrophobic, which promotes the transformation of bound water to free water in the DM with enhanced dewatering performance. The obtained hydrochar at 17.5 mg/g EDTA dosage exhibited the highest calorific value (HHVdaf = 29.25 MJ/kg). The HHVdry of samples have little difference and approach that of anthracite coal (19.2-21.1 MJ/kg)After EAHT, the combustion safety of the hydrochar was improved, which is highly significant for its use as biofuel. The by-product effluent showed lower biological toxicity after EAHT than after HT. The findings of this study demonstrated that EAHT can be efficient in achieving DM reduction and energy recovery, which provides widespread agricultural and environmental application prospects.
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Affiliation(s)
- Yihang Zhang
- School of Environment and Architecture, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China
| | - Yuqing Zhao
- School of Environment and Architecture, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China
| | - Jie Ji
- School of Environment and Architecture, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China
| | - Weitao Zhang
- Hebei Animal Husbandry Station, 19 Changjiang Avenue, Shijiazhuang, Hebei Province 050035, China
| | - Wei Wei
- Hebei Animal Husbandry Station, 19 Changjiang Avenue, Shijiazhuang, Hebei Province 050035, China
| | - Jia Li
- Hebei Animal Husbandry Station, 19 Changjiang Avenue, Shijiazhuang, Hebei Province 050035, China
| | - Yue Liu
- Hebei Institute of animal husbandry and veterinary medicine, 428 Dongguan street, Baodin, Hebei Province 071000, China
| | - Hong Tao
- School of Environment and Architecture, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China
| | - He Zhang
- School of Environment and Architecture, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
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31
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Fuso A, Righetti L, Rosso F, Rosso G, Manera I, Caligiani A. A multiplatform metabolomics/reactomics approach as a powerful strategy to identify reaction compounds generated during hemicellulose hydrothermal extraction from agro-food biomasses. Food Chem 2023; 421:136150. [PMID: 37086522 DOI: 10.1016/j.foodchem.2023.136150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 04/04/2023] [Accepted: 04/10/2023] [Indexed: 04/24/2023]
Abstract
Hydrothermal treatment is commonly used for hemicelluloses extraction from lignocellulosic materials. In this study, we thoroughly investigated with a novel approach the metabolomics of degradation compounds formed when hazelnut shells are subjected to this type of treatment. Three different complementary techniques were combined, namely GC-MS, 1H NMR, and UHPLC-IM-Q-TOF-MS. Organic acids, modified sugars and aromatic compounds, likely to be the most abundant chemical classes, were detected and quantified by NMR, whereas GC- and LC-MS-based techniques allowed to detect many molecules with low and higher Mw, respectively. Furans, polyols, N-heterocyclic compounds, aldehydes, ketones, and esters appeared, among others. Ion mobility-based LC-MS method was innovatively used for this purpose and could allow soon to create potentially useful datasets for building specific databases relating to the formation of these compounds in different process conditions and employing different matrices. This could be a very intelligent approach especially in a risk assessment perspective.
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Affiliation(s)
- Andrea Fuso
- Food and Drug Department, University of Parma, Via Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Laura Righetti
- Food and Drug Department, University of Parma, Via Parco Area delle Scienze 17/A, 43124 Parma, Italy; Wageningen Food Safety Research (WFSR), Wageningen University & Research, P.O. Box 230, Wageningen 6700 AE, Netherlands; Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, Wageningen 6708 WE, Netherlands.
| | - Franco Rosso
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, CN, Italy.
| | - Ginevra Rosso
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, CN, Italy.
| | - Ileana Manera
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, CN, Italy.
| | - Augusta Caligiani
- Food and Drug Department, University of Parma, Via Parco Area delle Scienze 17/A, 43124 Parma, Italy.
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32
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Yang H, Zeng G, Liu Y, Tang Y, Bai G, Liu Z, Diao H, Zhang Y, Liu L, Xue Q, Xia S, Zhou Q, Wu Z. Study on adsorption and recovery utilization of phosphorus using alkali melting-hydrothermal treated oil-based drilling cutting ash. J Environ Manage 2023; 332:117373. [PMID: 36708598 DOI: 10.1016/j.jenvman.2023.117373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/19/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Oil-based drill cutting ash (OBDCA) was treated by alkali melting-hydrothermal method and used as novel adsorbent (AM-HT-OBDCA) for the recovery of phosphorus (P) in water body. The experiment parameter for preparation of AM-HT-OBDCA was optimized, including alkali melting ratio (MOBDCA: MNaOH), alkali melting temperature and hydrothermal temperature. The adsorption process of phosphorus on AM-HT-OBDCA was fit well with the pseudo-second-order model and the Langmuir model. The calculated theoretic adsorption capacity of phosphorus on AM-HT-OBDCA was 62.9 mg/g. The adsorption behavior was spontaneous and endothermic. The effect of pH value and interfering ions on the adsorption of phosphorus in AM-HT-OBDCA was investigated. The main existing form of adsorbed phosphorus on AM-HT-OBDCA was sodium hydroxide extraction form phosphorus (NaOH-P), including iron form phosphorus (Fe-P) and aluminum form phosphorus (Al-P). Precipitation and ligand exchange were the main mechanisms of phosphorus adsorption on AM-HT-OBDCA. The AM-HT-OBDCA used for phosphorus adsorption (AM-HT-OBDCA-P) could be further utilized as fertilizer to promote plant growth. The results of this study provide fundamental data and evaluation support for resource utilization of OBDCA. These results will also provide a reference for the adsorption and recovery utilization of phosphorus using solid waste-based adsorbent.
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Affiliation(s)
- Hang Yang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Guanli Zeng
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Yunli Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yadong Tang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Guoliang Bai
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Zisen Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Hongli Diao
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Yi Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Lei Liu
- State Key Laboratory of Rock and Soil Mechanics and Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, PR China
| | - Qiang Xue
- State Key Laboratory of Rock and Soil Mechanics and Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, PR China
| | - Shibin Xia
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China.
| | - Qiaohong Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Zhenbin Wu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
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Wu R, Chen M, Qin Y, Liu S, Li X. Combined hydrothermal and biological treatments for valorization of fruit and vegetable waste into liquid organic fertilizer. Environ Res 2023; 221:115262. [PMID: 36639011 DOI: 10.1016/j.envres.2023.115262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/30/2022] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
This study investigated the effects of hydrothermal treatment, biological treatment and their combination on nutrients recovery from fruit and vegetable waste (FVW) and evaluated the feasibility of fruit and vegetable waste juice (FVWJ) from the combined treatment as liquid organic fertilizer. In this study, following conditions were determined suitable for FVW treatment: the temperature of 165 °C and retention time of 45 min for hydrothermal treatment, 20 h for biological treatment, and Weissella, as the dominant microbial genus present in FVW, was suggested as inoculum for biological treatment. In the combined treatment, based on the above conditions of hydrothermal and biological treatments, the yield of FVWJ was 93.03 g out of 100 g FVW, and concentrations of organic matter (1.45%, w/w), primary nutrients (0.51%, w/w), and toxic components in the FVWJ complied with the requirements for use concentration in both Chinese and European standards for liquid organic fertilizer. The economic analysis showed the net saving of 13.60 USD per ton FVW, indicating that it is an economical approach to valorize fruit and vegetable waste into liquid organic fertilizer through the combined treatment.
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Affiliation(s)
- Renming Wu
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Mingsheng Chen
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Yifeng Qin
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Shuchang Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Xudong Li
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
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34
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Wang J, Zhao N, Zhang X, Jiang L, Kang YR, Chu YX, He R. Additional ratios of hydrolysates from lignocellulosic digestate at different hydrothermal temperatures influencing anaerobic digestion performance. Environ Sci Pollut Res Int 2023; 30:32866-32881. [PMID: 36472738 DOI: 10.1007/s11356-022-24519-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Hydrothermal treatment (HT) is envisaged as a promising technology to treat the lignocellulosic biomass. HT temperature is an important parameter influencing the hydrolysate compositions such as organic compounds and potential inhibitors, and therefore affect the subsequential anaerobic digestion (AD) process. Herein, HT-AD was employed to treat the wheat straw-derived digestate. The HT temperature of 190 °C was proved to be the best performance with a higehst reducing sugar yield (45.05 mg g-1) in the hydrolysate and a highest methane yield (120.8 mL gTS-1) from the AD of the hydrolysate, which was 42.5% higher than the methane yield in the control without the hydrolysate addition (84.8 mL gTS-1). 3-Furaldehyde was the dominant organic in the hydrolysates. The HT temperature of 210 °C led to the presence of AD inhibitory moieties (e.g., phenols and furans) in the hydrolysate, resulting in a low methane yield. Although the treatments with the addition of 100% hydrolysate outperformed those of 50% hydrolysate in the methane yields in the late stage, the latter had higher methane yields in the first stage, suggesting that the additional ratios of hydrolysates should be carefully considered in AD, especially the detrimental effects of inhibitors and adaptability issues of AD consortia. The MiSeq sequencing showed that the hydrolysis/acidogenesis was dominant in the first stage, while methanogenesis became dominant in the late stage with the acetoclastic/hydrogenotrophic methanogens (Methanosarcina and Methanobacterium) enriched in the hydrolysate-feeding reactors. These findings demonstrated that a integration of HT-AD was a promising approach for the digestate valorization and to reduce the potential carbon emission from waste treatments.
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Affiliation(s)
- Jing Wang
- Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310012, China
- Department of Environmental Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Nannan Zhao
- Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310012, China
| | - Xuan Zhang
- Eco-Environmental Science and Research Institute of Zhejiang Province, Hangzhou, 310061, China
| | - Lei Jiang
- Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310012, China
| | - Ya-Ru Kang
- Department of Environmental Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Yi-Xuan Chu
- Department of Environmental Engineering, Zhejiang University, Hangzhou, 310058, China
- School of Civil Engineering and Architecture, Zhejiang University of Science and Technology, Hangzhou, 310023, China
| | - Ruo He
- Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310012, China.
- Department of Environmental Engineering, Zhejiang University, Hangzhou, 310058, China.
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35
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Ling M, Ma D, Hu X, Liu Z, Wang D, Feng Q. Hydrothermal treatment of polyvinyl chloride: Reactors, dechlorination chemistry, application, and challenges. Chemosphere 2023; 316:137718. [PMID: 36592841 DOI: 10.1016/j.chemosphere.2022.137718] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/16/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Polyvinyl chloride (PVC) plastic wastes can bring a series of problems during pyrolysis or incineration such as the emission of dioxins, corrosion, slagging in the reactors, etc. Hydrothermal treatment of PVC plastics has been intensively studied as it can efficiently remove chlorine from PVC plastics under relatively mild reaction conditions (220-300 °C) to provide value-added products. Meanwhile, the research progress, knowledge gaps, and challenges in this field have not been well addressed yet. This paper gives a comprehensive review of hydrothermal dechlorination of PVC plastics regarding reactors, process variables and fundamentals, possible applications, and challenges. The main pathways of hydrothermal dechlorination of PVC plastics are elimination and -OH nucleophilic substitution. Catalytic hydrothermal and co-hydrothermal optimize the chemical reactions and transportation, boosting the dechlorination of PVC plastics. Hydrochar derived from PVC plastics, on the one hand, is coalified close to sub-bituminous and bituminous coal and can be used as low-chlorine solid fuel. On the other hand, it is also a porous material with aromatic structure and oxygen-containing functional groups, with good potential as adsorbent or energy storage materials. Further studies are expected to focus on waste liquid treatment, revealing the energy and economic balance, reducing the dechlorination temperature and pressure, expanding the application of products, etc. for promoting the implementation of the hydrothermal treatment of PVC plastic wastes.
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Affiliation(s)
- Mengxue Ling
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
| | - Dachao Ma
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China; Key Laboratory of Environmental Protection, Guangxi University, Nanning, 530004, China.
| | - Xuan Hu
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
| | - Zheng Liu
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China; Key Laboratory of Environmental Protection, Guangxi University, Nanning, 530004, China
| | - Dongbo Wang
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China; Key Laboratory of Environmental Protection, Guangxi University, Nanning, 530004, China
| | - Qingge Feng
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China; Key Laboratory of Environmental Protection, Guangxi University, Nanning, 530004, China
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36
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Xu X, Du Z, Mou W, Deng R, Gu L. Role of humic substances and alkaline in phosphorus release from sludge pre-treated by (alkali-) hydrothermal. Sci Total Environ 2023; 859:160099. [PMID: 36370781 DOI: 10.1016/j.scitotenv.2022.160099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/05/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
The scarcity of phosphorus (P) resources makes the recovery of P urgent. Sludge is a secondary resource rich in P, and the release of P from it is a key step for recovery. Hydrothermal (HT) is currently a popular method for sludge pretreatment, and its combination with alkaline (alkali-hydrothermal, AHT) could reduce the energy consumption in treatment. This study tried to compare their P release profiles in treating activated sludge in which organic P (OP) and non-apatite inorganic P (NAIP) were co-existence. Apart from the OP release in cell lysis, P release from NAIP brought by the joint effect of OH- and humic substances (HS) formed in treatment was focused. The results showed that, compared to HT treatment, more P was released when OH- participated (AHT), and the peak P release was observed at 160 °C. Variation of P distribution in the treated sludge revealed that more P was released from NAIP in AHT than in HT. HS formed in treatments was extracted and characterized. The amount and the structure of the HS varied significantly with the treatment conditions, and there was a linear correlation ship between PO43--P release and the humic acid (HA) amount in HS. Mechanism study indicated there was a synergism between HS and OH- in promoting PO43--P release from NAIP. This study linked HS produced by sludge with P release, which provided a new perspective for subsequent P recovery from sludge.
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Affiliation(s)
- Xiaofeng Xu
- Key laboratory of the Three Gorges Reservoir Region's Eco-environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, 174 Shapingba Road, Chongqing 400045, PR China
| | - Zexuan Du
- Key laboratory of the Three Gorges Reservoir Region's Eco-environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, 174 Shapingba Road, Chongqing 400045, PR China
| | - Wei Mou
- School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, PR China
| | - Rui Deng
- School of Architecture and Urban Planning, Chongqing Jiaotong University, Chongqing 400074, PR China
| | - Li Gu
- Key laboratory of the Three Gorges Reservoir Region's Eco-environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, 174 Shapingba Road, Chongqing 400045, PR China.
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37
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Moustafa HM, Mahmoud MS, Nassar MM. Kinetic analysis of p-rGO/n-TiO 2 nanocomposite generated by hydrothermal technique for simultaneous photocatalytic water splitting and degradation of methylene blue dye. Environ Sci Pollut Res Int 2023; 30:18181-18198. [PMID: 36207630 DOI: 10.1007/s11356-022-23430-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
In this study, the nanocomposites of reduced graphene oxide/TiO2 (rGO/TiO2 with different percentages) have been synthesized using a modified Hummers' method followed by hydrothermal treatment. The morphology and bonding structure of the prepared samples have been characterized by Fourier-transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffractometry (XRD), and X-ray photoelectron spectroscopy (XPS). The photo-characteristic aspects of the prepared samples have been indicated by photoluminescence (PL) emission spectroscopy and ultraviolet-visible diffuse reflection spectroscopy (DRS). The photocatalytic performance of rGO/TiO2 demonstrated that it is an effective photocatalyst for methylene blue (MB) dye decomposition through illumination by a mercury lamp. Within 60 min of continuous irradiation, the nanocomposite-induced MB decomposition reached a rate of over 99%. Different MB concentrations and optimal percent loadings in catalysts have been investigated. Furthermore, the results showed that as the amount of catalyst increased, the decomposition of MB enhanced. Finally, the loading percentage of rGO with TiO2 has been studied, and an empirical equation relating the reaction rate constant until the mass of the photocatalyst and dye concentration has been proposed. The results showed that the prepared nanocomposites had good photocatalytic activity toward water splitting and photo-decomposition of MB.
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Affiliation(s)
- Hager M Moustafa
- Chemical Engineering Department, Minia University, El-Minia, 61516, Egypt
| | - Mohamed S Mahmoud
- Chemical Engineering Department, Minia University, El-Minia, 61516, Egypt.
- Department of Engineering, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman.
| | - Mamdouh M Nassar
- Chemical Engineering Department, Minia University, El-Minia, 61516, Egypt
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38
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Gitari WM, Obijole OA, Mudzielwana R. Synthesis of porous hydroxysodalite from aluminosilicate rich clay soils: application towards fluoride and pathogen removal. Environ Sci Pollut Res Int 2023; 30:22483-22493. [PMID: 36301389 DOI: 10.1007/s11356-022-23575-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
This article discussed the potential application of hydrothermally synthesized porous hydroxysodalite material synthesized from aluminosilicate clay material as a multifunctional adsorbent for fluoride and pathogen removal from groundwater. The efficiency of the material towards fluoride removal was evaluated using batch experiments while the efficacy against the E. coli strain was evaluated using well-assay diffusion method. The material showed a maximum fluoride adsorption capacity of 6.01 mg/g at initial concentration range of 5 to 100 mg/L when 1 g/100 mL adsorbent dosage was used at initial pH of 6 ± 0.5 after agitation time of 10 min. The adsorption kinetics data fitted better to pseudo first order of reaction kinetics indicating the dominance of physiosorption adsorption mechanism while the adsorption isotherm data showed better fit to both Langmuir and Freundlich adsorption isotherm model confirming monolayer and multilayer adsorption. The material was successfully regenerated and reused for up to eight successive regeneration-reuse cycles. However, its efficiency was inhibited by the presence of Cl- and CO32-. The material also proven to have antimicrobial activity against E. coli strain. This study concluded that the porous hydroxysodalite material prepared in this study can be used as a multifunctional adsorbent for fluoride and pathogen removal from groundwater.
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Affiliation(s)
- Wilson Mugera Gitari
- Department of Geography and Environmental Sciences, Faculty of Science, Engineering and Agriculture, Environmental Remediation and Nano Science Research Group (ENVIREN), University of Venda, Thohoyandou, South Africa.
- School of Chemistry and Material Sciences, Technical University of Kenya, P.O. Box 52428 Haile Selassie Avenue, 00200, Nairobi, Kenya.
| | - Olumuyiwa Adewale Obijole
- Department of Geography and Environmental Sciences, Faculty of Science, Engineering and Agriculture, Environmental Remediation and Nano Science Research Group (ENVIREN), University of Venda, Thohoyandou, South Africa
| | - Rabelani Mudzielwana
- Department of Geography and Environmental Sciences, Faculty of Science, Engineering and Agriculture, Environmental Remediation and Nano Science Research Group (ENVIREN), University of Venda, Thohoyandou, South Africa
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39
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André J, Flórez-Fernández N, Domínguez H, Torres MD. Microwave-assisted extraction of Ulva spp. including a stage of selective coagulation of ulvan stimulated by a bio-ionic liquid. Int J Biol Macromol 2023; 225:952-963. [PMID: 36402385 DOI: 10.1016/j.ijbiomac.2022.11.158] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 10/27/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
Abstract
Microwave-assisted hydrothermal processing was proposed to recover high valuable compounds with antioxidant and gelling features from Ulva spp. green seaweed. The influence of the extraction conditions on the solubles, ulvan fraction and residual solid phase was studied to achieve a global valorization of the seaweed. A particular emphasis was placed on the selective coagulation of ulvan stimulated by a bio-ionic liquid during the extraction process. The achieved outcomes indicated that the selected microwave treatment exhibited a notable impact on the phytochemical properties of the soluble extracts, with the highest values of sulfate and protein content at 160 °C, and the highest antioxidant features at 200 °C. The most prominent molecular weight distributions were also identified for systems hydrothermal treated at 160 °C. The ulvan analyses showed that those extracted after microwave treatment at 160 °C showed the highest yields, molecular weight and the strongest gel features from the rheological point of view. The presence of the chloride chlorine during the extraction process favored the ulvan performance and the enhancement of the corresponding viscoelastic properties.
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Affiliation(s)
- J André
- CINBIO, Universidade de Vigo (Campus Ourense), Department of Chemical Engineering, Edificio Politécnico, As Lagoas, 32004 Ourense, Spain; École d'Ingénieur•e•s EPF, 3 bis rue Lakanal, 92330 Sceaux, France
| | - N Flórez-Fernández
- CINBIO, Universidade de Vigo (Campus Ourense), Department of Chemical Engineering, Edificio Politécnico, As Lagoas, 32004 Ourense, Spain
| | - H Domínguez
- CINBIO, Universidade de Vigo (Campus Ourense), Department of Chemical Engineering, Edificio Politécnico, As Lagoas, 32004 Ourense, Spain
| | - M D Torres
- CINBIO, Universidade de Vigo (Campus Ourense), Department of Chemical Engineering, Edificio Politécnico, As Lagoas, 32004 Ourense, Spain.
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40
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Yu Y, Ding Y, Zhou C, Ge S. Aging of polylactic acid microplastics during hydrothermal treatment of sewage sludge and its effects on heavy metals adsorption. Environ Res 2023; 216:114532. [PMID: 36243048 DOI: 10.1016/j.envres.2022.114532] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/29/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
Microplastics' (MPs) aging process and environmental behavior have attracted extensive attention due to the potential long-term ecological impact. MPs enriched in sludge may accelerate aging during sludge treatment and the affecting environmental behavior, i.e., adsorption performance for pollutants. However, the related studies have not been well researched, especially for the biodegradable MPs. This study revealed the influences of hydrothermal treatment on the characteristics of polylactic acid microplastics (PLA-MPs) and the consequences on heavy metals adsorption. The changes in PLA-MPs' physiochemical properties were characterized and compared. PLA-MPs' surface became irregular, and the oxygen-containing functional groups increased through FTIR and XPS analysis. Meanwhile, the molecular weight and crystallinity of PLA-MPs decreased significantly with the rising in hydrothermal temperature. Accordingly, the adsorption capacity of PLA-MPs for Pb2+ increased from 93.97 μg g-1 for the raw PLA-MPs to 1058.03 μg g-1 for the aged PLA-MPs. Multiple adsorption kinetics and isotherms were discussed for the Pb2+ adsorption onto PLA-MPs with different aging of the PLA-MPs. The adsorption mechanisms of Pb2+ relate to electrostatic interaction and complexation. The main difference is that the adsorption for raw PLA-MPs is dominated by physical and chemical adsorption, whereas the adsorption for the aged PLA-MPs prefers chemical adsorption. In addition, we carefully evaluated the influences of pH, dissolved organic matter, and ionic strength on the PLA-MPs adsorption. The present study highlighted the significance of hydrothermal treatment on the MPs aging and the adsorption performance.
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Affiliation(s)
- Yang Yu
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, PR China.
| | - Yindi Ding
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, PR China
| | - Cailing Zhou
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, PR China
| | - Shifu Ge
- School of Energy and Environment, MOE Key Laboratory of Environmental Medicine Engineering, Southeast University, Nanjing, 210096, PR China
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41
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Barison A, Biswas RG, Ning P, Kock FVC, Soong R, Di Medeiros MCB, Simpson A, Lião LM. Introducing comprehensive multiphase NMR for the analysis of food: Understanding the hydrothermal treatment of starch-based foods. Food Chem 2022; 397:133800. [PMID: 35914461 DOI: 10.1016/j.foodchem.2022.133800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 06/27/2022] [Accepted: 07/25/2022] [Indexed: 01/05/2023]
Abstract
Cooking is essential for preparing starch-based food, however thermal treatment promotes the complexation of biopolymers, impacting their final properties. Comprehensive Multiphase (CMP) NMR allows all phases (liquids, gels, and solids) to be differentiated and monitored within intact samples. This study acts as a proof-of-principle to introduce CMP-NMR to food research and demonstrate its application to monitor the various phases in spaghetti, black turtle beans, and white long-grain rice, and how they change during the cooking process. When uncooked, only a small fraction of lipids and structurally bound water show any molecular mobility. Once cooked, little "crystalline solid" material is left, and all components exhibit increased molecular dynamics. Upon cooking, the solid-like components in spaghetti contains signals consistent with cellulose that were buried beneath the starches in the uncooked product. Thus, CMP-NMR holds potential for the study of food and related processes involving phase changes such as growth, manufacturing, and composting.
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Affiliation(s)
- Andersson Barison
- NMR Centre, Department of Chemistry, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Rajshree Ghosh Biswas
- Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto, Scarborough, Ontario, Canada
| | - Paris Ning
- Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto, Scarborough, Ontario, Canada
| | - Flávio Vinícius Crizóstomo Kock
- Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto, Scarborough, Ontario, Canada; Nuclear Magnetic Resonance Laboratory, Federal University of São Carlos, São Carlos, São Paulo, Brazil
| | - Ronald Soong
- Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto, Scarborough, Ontario, Canada
| | - Maria Carolina Bezerra Di Medeiros
- Nuclear Magnetic Resonance Laboratory, Federal University of São Carlos, São Carlos, São Paulo, Brazil; Nuclear Magnetic Resonance Laboratory, Institute of Chemistry, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Andre Simpson
- Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto, Scarborough, Ontario, Canada.
| | - Luciano Morais Lião
- Nuclear Magnetic Resonance Laboratory, Institute of Chemistry, Federal University of Goiás, Goiânia, Goiás, Brazil.
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42
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Sun H, Wang L, Liu Y, Cheng Z, Zhao Y, Guo H, Qu G, Wang T, Yin X. Photocatalytic reduction of Cr(VI) via surface modified g-C 3N 4 by acid-base regulation. J Environ Manage 2022; 324:116431. [PMID: 36352721 DOI: 10.1016/j.jenvman.2022.116431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/20/2022] [Accepted: 10/01/2022] [Indexed: 06/16/2023]
Abstract
Cr(VI) is a class of highly toxic heavy metals. In this study, alkali-modified g-C3N4 (cOH-CN) and acid-modified g-C3N4 (cH-CN) materials were successfully synthesized, and their photocatalytic activities for Cr(VI) reduction under visible light irradiation were tested. Owing to defect structures by cH-CN and -OH group introduction by cOH-CN, the modified materials exhibited a larger surface area, more abundant pore structures, a wider visible light absorption range, higher energy gap values, and a stronger capacity for electron-hole pair separation. As a result, satisfactory Cr(VI) reduction performance was gained by these two photocatalysts. Almost all Cr(VI) was converted to Cr(III) after 60 min of treatment in the presence of these two catalysts, while it was only 30% for the pristine g-C3N4 materials. Relatively higher dosages of cH-CN and cOH-CN and acidic conditions both improved Cr(VI) reduction in the cH-CN and cOH-CN photocatalytic systems. Cr(VI) reduction was mainly initiated by free electrons in the photocatalytic system of the modified materials. Finally, Cr(VI) in the photocatalytic system was almost completely converted to Cr(III). Furthermore, the stability and recycling of the cH-CN and cOH-CN catalysts were evaluated.
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Affiliation(s)
- Huimin Sun
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
| | - Le Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
| | - Yue Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
| | - Zhen Cheng
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
| | - Yifan Zhao
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
| | - He Guo
- College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Guangzhou Qu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
| | - Tiecheng Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China.
| | - Xianqiang Yin
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi, 712100, PR China
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Hassanpour M, Cai G, Cooper T, Wang Q, O'Hara IM, Zhang Z. Triple action of FeCl 3-assisted hydrothermal treatment of digested sludge for deep dewatering. Sci Total Environ 2022; 848:157727. [PMID: 35926629 DOI: 10.1016/j.scitotenv.2022.157727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
In this study, a FeCl3-assisted hydrothermal treatment (HTT) process under mild conditions (90 °C-130 °C) was developed for deep dewatering of anaerobically digested sludge. HTT of sludge at 90 °C-130 °C with 4%-6% Fe3+ ions loading based on total sludge solids followed by mechanical dewatering reduced sludge water content from 82% to 38%-53% and sludge weight by 62%-72%. The treatment increased the flowability of sludge through reduction of apparent viscosity and disintegration of colloidal forces between sludge particles. This study unveiled that FeCl3-assisted HTT process had three mechanisms for improving sludge dewaterability and flowability. The treatment hydrolysed sludge flocs in the presence of Lewis acid FeCl3 and high temperature (90-130 °C). Fe3+ ions also improved dewaterability through the formation of double electric layers and neutralisation of surface negative charges, leading to flocculation of sludge flocs. More importantly, the hydrolysed sludge components produced during HTT process acted as reducing agents and led to in-situ generation of iron oxyhydroxide nanoparticles through reduction-oxidation reactions, further enhancing flocculation/co-precipitation of sludge flocs. The treatment reduced EPS content and changed conformational structures of EPS proteins by breaking down hydrogen bond-maintaining α-helix which led to a loose EPS protein structure and enhanced hydrophobicity and flocculability. Furthermore, the FeCl3-assisted treatment promoted immobilisation of the majority of heavy metals in the sludge matrix through co-precipitation/complexation reactions with iron species and organic/inorganic matters. This indicates that the FeCl3-assisted treatment reduced direct toxicity/bioavailability of the majority of heavy metals and the treated sludge may be suitable for land application. Overall, this study provides new insights into mechanism of FeCl3-assisted HTT process for dewaterability of anaerobically digested sludge and immobilisation of heavy metals.
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Affiliation(s)
- Morteza Hassanpour
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Guiqin Cai
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia; School of Biology and Environmental Science, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Tal Cooper
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia; School of Biology and Environmental Science, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Qilin Wang
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Ian M O'Hara
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Zhanying Zhang
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, Brisbane, Queensland 4000, Australia.
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Zhang Q, Wang J, Zhang Y, Chen J. Natural kaolinite-based hierarchical porous microspheres as effective and highly recyclable adsorbent for removal of cationic dyes. Environ Sci Pollut Res Int 2022; 29:72001-72016. [PMID: 35606589 DOI: 10.1007/s11356-022-20986-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
The development of efficient, recyclable, and environment-friendly adsorbent for wastewater remediation is considered a challenge. In this study, a hierarchical porous kaolinite microsphere (HPKS) with three-dimensional (3D) structure was fabricated based on natural-layered kaolinite mineral via an environmentally friendly direct hydrothermal strategy. Characterization results revealed that HPKS microsphere with 3D hierarchical porous structure was constructed with numerous nanospheres which are assembled by ultrafine aluminosilicate flakes. HPKS exhibited negative charge feature ranging from strong acid to high alkaline solution. The influence of contact time, solution pH, initial dye concentration, adsorbent dosage, and foreign ions on methylene blue (MB) adsorption capability was systematically investigated. The synthesized HPKS with higher specific surface area (250.6 m2/g) shows an outstanding adsorption capacity towards MB (411.8 mg/g) and excellent selectivity for cationic MB dyes over anionic methyl orange and competitive metal ions. The adsorption kinetic experiment results fit very well with the pseudo-second-order model and reflect the fast adsorption rate of MB on HPKS. The sorption isotherm study reveals the chemisorption of electrostatic attraction between the cationic MB molecules and the negative charged surfaces of HPKS. More importantly, the MB removal efficiency is more than 99% in a broad range of solution pH value. The adsorption capacities of HPKS can be easily recovered by calcination at 600 °C to remove the adsorbed dyes and without obvious diminishment even after six successive cycles. Therefore, the HPKS is a cost-effective and environmentally friendly adsorbent which has is promising to use in practical applications.
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Affiliation(s)
- Qian Zhang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, 454000, China
- Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, 454000, China
| | - Jiebin Wang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, 454000, China
| | - Yude Zhang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, 454000, China.
- Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, 454000, China.
| | - Juntao Chen
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, 454000, China
- Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, 454000, China
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Zhang H, Rui P, Wang T, Feng W, Chen Z, Zhou X, Wang R. Hydrothermal induced B → A allomorphic transition in retrograded starches with side chains elongated by amylosucrase to different lengths. Int J Biol Macromol 2022; 222:1221-1228. [PMID: 36181887 DOI: 10.1016/j.ijbiomac.2022.09.190] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/08/2022] [Accepted: 09/21/2022] [Indexed: 11/05/2022]
Abstract
In this study, chain-elongated starches were modified with hydrothermal treatment to produce hydrothermal-treated starches with different crystalline structures. All chain-elongated starches showed a B-type crystalline structure and the retrogradation of long branch chains accelerated the formation of starch crystallites. The hydrothermal treatment preserved the granular structure of starches but facilitated the rearrangement of starch chains to generate crystallites. Starches with short chain length favored the B → A allomorphic transition during the hydrothermal treatment. A longer chain length of starch led to greater stability of double helices and accordingly inhibited the B → A allomorphic transition, resulting from the hydrogen bonding along with the direction of helix restrained the displacement of the helix. The longer double helices resulted in higher gelatinization temperature of the chain-elongated starches. Moreover, the gelatinization temperature of the starches was further enhanced by the hydrothermal treatment, and both increased crystallinity and B → A allomorphic transition contributed to the improved thermal stability of the hydrothermal-treated starches.
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Affiliation(s)
- Hao Zhang
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Pinxin Rui
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Tao Wang
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Wei Feng
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Zhengxing Chen
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xing Zhou
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Ren Wang
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangsu Provincial Research Centre for Bioactive Product Processing Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China.
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Ebrahimi M, Hassanpour M, Rowlings DW, Bai Z, Dunn K, O'Hara IM, Zhang Z. Effects of lignocellulosic biomass type on nutrient recovery and heavy metal removal from digested sludge by hydrothermal treatment. J Environ Manage 2022; 318:115524. [PMID: 35717693 DOI: 10.1016/j.jenvman.2022.115524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/05/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
Sludge is a nutrient-rich organic waste generated from wastewater treatment plants. However, the application of sludge as a nutrient source is limited by its high contents of water and pollutants. In this study, the effects of biomass type on nutrient recovery and heavy metal removal from digested sludge by hydrothermal treatment (HTT) were investigated. Blending biomass with digested sludge for HTT at 180-240 °C increased the recovery of nitrogen in the treated solids. At the HTT temperature of 240 °C, HTT with hardwood sawdust led to the highest nitrogen recovery of 70.6%, compared to the lowest nitrogen recovery of 36.5% without biomass. Blending biomass slightly decreased the recovery of phosphorus compared to those without biomass. Nevertheless, the lowest phosphorus recovery of 91.3% with the use of hardwood sawdust at the HTT temperature of 240 °C was only ∼7.0% less than that without biomass. Blending biomass reduced the contents of macro-metals such as Ca, Fe, Mg and Al in treated solids but the metal contents varied with different biomasses. Regarding the heavy metals, the use of rice husk did not decrease the contents of Ni and Co while blending bagasse did not decrease the content of Cr at HTT temperatures of 210 °C and 240 °C compared to the use of other biomasses. The different effects of biomass type on nutrient recovery and heavy metals were likely related to the types and abundances of organic acids such as acetic acid, oxygen-containing functional groups such as C-OH and COOH, oxide minerals such as silica from biomasses and the overall effects of these factors. This study provides very useful information in selection of lignocellulosic biomass for HTT of sludge for nutrient recovery and heavy metal removal.
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Affiliation(s)
- Majid Ebrahimi
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia
| | - Morteza Hassanpour
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia
| | - David W Rowlings
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia; School of Biology and Environmental Science, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia
| | - Zhihui Bai
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Kameron Dunn
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia
| | - Ian M O'Hara
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia
| | - Zhanying Zhang
- Centre for Agriculture and the Bioeconomy, Faculty of Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia; School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, 2 George Street, Brisbane, Queensland, 4000, Australia.
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Li M, Hu Y, Zhou N, Wang S, Sun F. Hydrothermal treatment coupled with pyrolysis and calcination for stabilization of electroplating sludge: Speciation transformation and environmental risk of heavy metals. J Hazard Mater 2022; 438:129539. [PMID: 35999723 DOI: 10.1016/j.jhazmat.2022.129539] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/30/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Electroplating sludge (ES) produced from treatment of electroplating wastewater is a hazardous waste due to its high content of heavy metals (HMs). This study investigates the feasibility of hydrothermal treatment (HT) coupled with pyrolysis and calcination as a method for safe disposal of ES by immobilizing the soluble fractions of target HMs in ES. The HMs before and after thermal processing were characterized to better understand their speciation transformation and environmental risk. Results showed that over 74% of HMs in ES were accumulated in the resulted solid residues and the other HMs were mainly released into the gas phase. The immobilization rates of HMs from the soluble fractions (F1 and F2) to stable fractions (F3 and F4) after the separate HT and HT coupled pyrolysis and calcination were up to 82.4%, 78.0% and 80.5%, respectively. HT coupled with high-temperature calcination outperformed HT in terms of converting low volatile HMs to stable residual speciations, such as Cu and Ni. HT coupled with pyrolysis showed the best effect in reducing the environmental risks of Cr. In terms of ecological risk index, the separate HT demonstrated an ideal immobilization effect and toxicity reduction for soluble fractions of HMs, especially for Zn and Mn.
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Affiliation(s)
- Mingzhe Li
- Institute of Thermal and Power Engineering, Zhejiang University of Technology, Liuhe Road 288#, 310023 Hangzhou, China
| | - Yanjun Hu
- Institute of Thermal and Power Engineering, Zhejiang University of Technology, Liuhe Road 288#, 310023 Hangzhou, China; Zhejiang Carbon Neutral Innovation Institute, Zhejiang University of Technology, Chaowang Road 18#, 310024 Hangzhou, China.
| | - Nan Zhou
- Institute of Thermal and Power Engineering, Zhejiang University of Technology, Liuhe Road 288#, 310023 Hangzhou, China
| | - Shurong Wang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Zheda Road 38#, 310027 Hangzhou, China.
| | - Feifan Sun
- Institute of Thermal and Power Engineering, Zhejiang University of Technology, Liuhe Road 288#, 310023 Hangzhou, China
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Wang L, Chi Y, Du K, Zhou Z, Wang F, Huang Q. Hydrothermal treatment of food waste for bio-fertilizer production: Formation and regulation of humus substances in hydrochar. Sci Total Environ 2022; 838:155900. [PMID: 35588799 DOI: 10.1016/j.scitotenv.2022.155900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/26/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Food waste (FW) poses serious challenges to incineration and composting. Hydrothermal treatment (HTT) is a promising method to produce carbon-rich materials from biomass, including humus substances. In this study, FW containing cellulose, starches, and proteins was treated by HTT to study the formation and regulation of three kinds of humus (i.e., humin, humic acids [HAs], and fulvic acids [FAs]). Ultimate analysis and proximate analyses were conducted to explore the material composition, which was very similar to natural humus. Three kinds of humus were quantified. Optimal temperature (200 °C) and residence time (30 min) for production of HAs were determined based on HAs yield (14.60%). In addition, formation and regulation of humin, HAs and FAs was discussed. The amino acids, peptides, monosaccharides, and HMF obtained by hydrolysis of FW produced important precursors of humus. Moreover, the transfer of nutrient elements was revealed. Nearly 90% of K was dissolved in water. Recovery of N (60%) was relatively stable in hydrochar. Up to 67.61% of P deposited in hydrochar with 12 h.
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Affiliation(s)
- Lixian Wang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
| | - Yong Chi
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
| | - Kun Du
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
| | - Zhaozhi Zhou
- Zhejiang Development & Planning Institute, Hangzhou, China.
| | - Fei Wang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
| | - Qunxing Huang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
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Yu Z, Sun M, Xiao K, Ou B, Liang S, Hou H, Yang J. Changes of phosphorus species during (hydro) thermal treatments of iron-rich sludge and their solubilization mediated by a phosphate solubilizing microorganism. Sci Total Environ 2022; 838:156612. [PMID: 35690206 DOI: 10.1016/j.scitotenv.2022.156612] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 06/07/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
This study systematically evaluated phosphorus (P) solubilization from pyrochar and hydrochar derived from both raw sludge and iron-rich sludge. The data indicated, that an increase in thermal treatment temperature and the presence of iron promoted the accumulation of P in both pyrochar (derived at 300, 500, and 800 °C) and hydrochar (derived at 100, 200, and 280 °C). After incubating pyrochar and hydrochar with a phosphate solubilizing microorganism (PSM) (Pseudomonas aeruginosa) for 30 days, PSM significantly promoted the solubilization of P in pyrochar and hydrochar synthesized at low temperatures rather than those at high temperatures, with a 59 % increase for the pyrolysis of raw sludge at 300 °C than that pyrolyzed at 800 °C and a 62 % increase for the hydrothermal treatment of raw sludge at 100 °C than that treated at 280 °C. And the phenomena were more obvious on the char samples derived from iron-rich sludge. The mass balance of different P species in the solid and liquid phases indicated that after incubating with PSM for 30 days, NaOH-P was the main P solubilized from the solid phase of pyrochar and HCl-P was the main P solubilized from the solid phase of hydrochar. Considering P availability to plants, the preliminary economic analysis indicated that the hydrothermal treatment of iron-rich sludge at 100 °C showed the highest economic benefits for P recovery, with the net cost of 28.79 USD/ton wet sludge. This study was useful in giving novel insights into the reuse of char samples as P fertilizer, and also suggested the importance of Pseudomonas aeruginosa and other bacteria in sludge application, particularly in terms of P solubilization.
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Affiliation(s)
- Zecong Yu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China
| | - Mei Sun
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China
| | - Keke Xiao
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China.
| | - Bei Ou
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China
| | - Sha Liang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China
| | - Huijie Hou
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China
| | - Jiakuan Yang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei 430074, China
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50
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Usman M, Shi Z, Dutta N, Ashraf MA, Ishfaq B, El-Din MG. Current challenges of hydrothermal treated wastewater (HTWW) for environmental applications and their perspectives: A review. Environ Res 2022; 212:113532. [PMID: 35618004 DOI: 10.1016/j.envres.2022.113532] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 05/11/2022] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
Hydrothermal treatment (HT) is an emerged thermochemical approach for the utilization of biomass. In the last decade, intense research has been conducted on bio-oil and hydrochar, during which extensive amount of hydrothermal treated wastewater (HTWW) is produced, containing large amount of organic compounds along with several toxic chemicals. The composition of HTWW is highly dependent on the process conditions and organic composition of biomass, which determines its further utilization. The current study provides a comprehensive overview of recent advancements in HTWW utilization and its properties which can be changed by varying different parameters like temperature, residence time, solid concentration, mass ratio and catalyst including types of biomasses. HTWW characterization, parameters, reaction mechanism and its application were also summarized. By considering the challenges of HTWW, some suggestions and proposed methodology to overcome the bottleneck are provided.
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Affiliation(s)
- Muhammad Usman
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada; Bioproducts, Sciences and Engineering Laboratory (BSEL), Washington State University, Tri-Cities, Richland, WA, 99354, United States; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, China; Shanghai Technical Service Platform for Pollution Control and Resource Utilization of Organic Wastes, Shanghai, 200438, China.
| | - Zhijian Shi
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, China; Shanghai Technical Service Platform for Pollution Control and Resource Utilization of Organic Wastes, Shanghai, 200438, China
| | - Nalok Dutta
- Bioproducts, Sciences and Engineering Laboratory (BSEL), Washington State University, Tri-Cities, Richland, WA, 99354, United States
| | - Muhammad Awais Ashraf
- State Key Laboratory of Multiphase Complex Systems, CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Bushra Ishfaq
- Food Technology Section, Post-harvest Research Center, Ayub Agricultural Research Institute, Faisalabad, Pakistan
| | - Mohamed Gamal El-Din
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada.
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