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Buenaño L, Ali E, Jafer A, Zaki SH, Hammady FJ, Khayoun Alsaadi SB, Karim MM, Ramadan MF, Omran AA, Alawadi A, Alsalamy A, Kazemi A. Optimization by Box-Behnken design for environmental contaminants removal using magnetic nanocomposite. Sci Rep 2024; 14:6950. [PMID: 38521870 PMCID: PMC10960869 DOI: 10.1038/s41598-024-57616-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 03/20/2024] [Indexed: 03/25/2024] Open
Abstract
In this study, a CoO-Fe2O3/SiO2/TiO2 (CIST) nanocomposite was synthesized and utilized as an adsorbent to remove methylene blue (MB), malachite green (MG), and copper (Cu) from aqueous environments. The synthesized nanocomposite was characterized using field emission scanning electron microscopy (FE-SEM), Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and X-ray diffraction (XRD). Input parameters included pH (3-10), contact time (10-30 min), adsorbent amount (0.01-0.03 g), and pollutant concentration (20-60 mg L-1). The effects of these parameters on the removal process efficiency were modeled and optimized using the response surface methodology (RSM) based on the Box-Behnken design (BBD). The RSM-BBD method demonstrated the capability to develop a second-degree polynomial model with high validity (R2 ˃ 0.99) for the removal process. The optimization results using the RSM-BBD method revealed a removal efficiency of 98.01%, 93.06%, and 88.26% for MB, MG, and Cu, respectively, under optimal conditions. These conditions were a pH of 6, contact time of 10 min, adsorbent amount of 0.025 g, and concentration of 20 mg L-1. The synthesized adsorbent was recovered through five consecutive adsorption-desorption cycles using hydrochloric acid. The results showed an approximately 12% reduction from the first to the seventh cycle. Also, MB, MG, and Cu removal from real water samples in optimal conditions was achieved in the range of 81.69-98.18%. This study demonstrates the potential use of CIST nanocomposite as an accessible and reusable option for removing MB, MG, and Cu pollutants from aquatic environments.
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Affiliation(s)
- Luis Buenaño
- Facultad de Mecánica, Escuela Superior Politécnica de Chimborazo (ESPOCH), Riobamba, 060155, Ecuador.
| | - Eyhab Ali
- Al-Zahraa University for Women, Karbala, Iraq
| | - Ahmed Jafer
- Department of Radiology and Sonar, Al-Manara College for Medical Sciences, Amarah, Maysan, Iraq
| | - Shaima Haithem Zaki
- Department of Anesthesia Techniques, Al-Noor University College, Nineveh, Iraq
| | - Fathi Jihad Hammady
- Department of Medical Engineering, Mazaya University College, Nasiriyah, Dhi Qar, Iraq
| | | | - Manal Morad Karim
- College of Pharmacy, National University of Science and Technology, Nasiriyah, Dhi Qar, Iraq
| | | | - Alaa A Omran
- Department of Medical Engineering, AL-Nisour University College, Baghdad, Iraq
| | - Ahmed Alawadi
- College of Technical Engineering, The Islamic University of Najaf, Najaf, Iraq
- College of Technical Engineering, The Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- College of Technical Engineering, The Islamic University of Babylon, Babylon, Iraq
| | - Ali Alsalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Baghdad, Al-Muthanna, 66002, Iraq
| | - Ali Kazemi
- School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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Ghanbari J, Mobinikhaledi A. Synthesis of a novel porous organic polymer containing triazine and cyclohexanone rings as an efficient methyl red adsorbent from aqueous solutions. Sci Rep 2023; 13:12962. [PMID: 37563184 PMCID: PMC10415288 DOI: 10.1038/s41598-023-40274-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/08/2023] [Indexed: 08/12/2023] Open
Abstract
In this research, a new porous organic polymer based on triazine and cyclohexanone rings was synthesized via Schiff base condensation, and its performance as an adsorbent for the removal of Methyl Red dye from aqueous solution was investigated. The synthesized polymer was characterized by FT-IR, XRD, SEM, EDS, TEM, TGA, and BET analyses. Five important parameters of pH (4-10), contact time (10-120 min), adsorbent dose (5-10 mg), initial dye concentration (10-70 mg/L), and temperature (25-45 °C) were investigated to optimize the adsorption conditions. Solution pH of 4, contact time of 80 min, adsorbent dose of 8 mg, initial dye concentration of 50 mg/L, and temperature of 45 °C were obtained as the best conditions for the adsorption of methyl red dye. Two widely used Langmuir and Freundlich models were employed to investigate the adsorption isotherm, and the obtained data showed that the adsorption process follows the Langmuir isotherm with a correlation coefficient (R2 = 0.9784) which indicates monolayer adsorption. The achieved maximum adsorption capacity was 178.57 mg/g. Also, the results of kinetic studies indicate that the adsorption process follows the pseudo-second-order kinetic, which suggests that chemical interactions play an important role in dye removal. Furthermore, the results showed that the adsorption process of methyl red dye by polymer is endothermic.
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Affiliation(s)
- Javad Ghanbari
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran
| | - Akbar Mobinikhaledi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran.
- Institute of Nanosciences and Nanotechnology, Arak University, Arak, Iran.
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Gatou MA, Vagena IA, Lagopati N, Pippa N, Gazouli M, Pavlatou EA. Functional MOF-Based Materials for Environmental and Biomedical Applications: A Critical Review. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2224. [PMID: 37570542 PMCID: PMC10421186 DOI: 10.3390/nano13152224] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023]
Abstract
Over the last ten years, there has been a growing interest in metal-organic frameworks (MOFs), which are a unique category of porous materials that combine organic and inorganic components. MOFs have garnered significant attention due to their highly favorable characteristics, such as environmentally friendly nature, enhanced surface area and pore volume, hierarchical arrangements, and adjustable properties, as well as their versatile applications in fields such as chemical engineering, materials science, and the environmental and biomedical sectors. This article centers on examining the advancements in using MOFs for environmental remediation purposes. Additionally, it discusses the latest developments in employing MOFs as potential tools for disease diagnosis and drug delivery across various ailments, including cancer, diabetes, neurological disorders, and ocular diseases. Firstly, a concise overview of MOF evolution and the synthetic techniques employed for creating MOFs are provided, presenting their advantages and limitations. Subsequently, the challenges, potential avenues, and perspectives for future advancements in the utilization of MOFs in the respective application domains are addressed. Lastly, a comprehensive comparison of the materials presently employed in these applications is conducted.
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Affiliation(s)
- Maria-Anna Gatou
- Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 15772 Athens, Greece
| | - Ioanna-Aglaia Vagena
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (I.-A.V.); (N.L.); (M.G.)
| | - Nefeli Lagopati
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (I.-A.V.); (N.L.); (M.G.)
- Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | - Natassa Pippa
- Section of Pharmaceutical Technology, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, 15771 Athens, Greece;
| | - Maria Gazouli
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (I.-A.V.); (N.L.); (M.G.)
- School of Science and Technology, Hellenic Open University, 26335 Patra, Greece
| | - Evangelia A. Pavlatou
- Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 15772 Athens, Greece
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Ghanbari J, Mobinikhaledi A. Synthesis and characterization of a novel N-rich porous organic polymer and its application as an efficient porous adsorbent for the removal of Pb(II) and Cd(II) ions from aqueous solutions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:68919-68933. [PMID: 37129814 DOI: 10.1007/s11356-023-27274-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 04/24/2023] [Indexed: 05/03/2023]
Abstract
In this study, a novel N-rich triazine-based porous organic polymer (NR-POP) was synthesized via Schiff-base condensation. The structure of the synthesized porous polymer was identified using FT-IR, XRD, SEM, EDS, TEM, TGA, and BET analyses. The adsorption efficiency of this polymer was investigated for the removal of lead and cadmium ions pollutants. The adsorption processes of Pb(II) and Cd(II) metal ions by this polymer adsorbent were exothermic and matched by the Langmuir isotherm with a high correlation coefficient (R2 = 0.9904, 0.9778), the maximum adsorption capacity (833.33, 178.57 mg g-1), and the pseudo-second-order kinetic model. Furthermore, NR-POP showed an excellent adsorption selectivity for Pb(II) compared to Cd(II).
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Affiliation(s)
- Javad Ghanbari
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran
| | - Akbar Mobinikhaledi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran.
- Institute of Nanosciences and Nanotechnology, Arak University, Arak, Iran.
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Han L, Zhao Z, Li J, Ma X, Zheng X, Yue H, Sun G, Lin Z, Guan S. Application of humic acid and hydroxyapatite in Cd-contaminated alkaline maize cropland: A field trial. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 859:160315. [PMID: 36403838 DOI: 10.1016/j.scitotenv.2022.160315] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/17/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
Soil quality is critical to the quality and safety of agricultural products, and remediation of heavy metal contaminated soils is an urgent task to be implemented. This study applied hydroxyapatite (HAP) and humic acid (HA) as remediation materials to Cd-contaminated alkaline cropland. Data on soil pH, electrical conductivity (EC), cation exchange capacity (CEC), soil organic matter (SOM), diethylenetriamine pentaacetic acid (DTPA) extraction, and improved BCR sequential extraction were obtained for different periods. The joint application of HAP and HA enhanced the soil's buffering capacity. During the experiment, treatment groups CK, H1, H2, H3, and H4 showed changes in pH of 0.29, 0.28, 0.21, 0.24, and 0.32, respectively, and changes in the conductivity of 341.4, 183.0, 133.1, 104.6 and 320.2 μS/cm. Soil organic matter had a positive effect on soil's effective phosphorus content. HAP and HA both reduced the BCFgrain/soil of Cd for the maize, but the impact of HA was more substantial (20.19 % reduction compared to CK). HA increased the yield of maize by 44.20 %. The combination of HA and HAP was recommended.
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Affiliation(s)
- Liangwei Han
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Zhuanjun Zhao
- Key Laboratory of Mountain Environment Evolvement and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, PR China.
| | - Jie Li
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Xiangbang Ma
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Xu Zheng
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Haoyu Yue
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Guohuai Sun
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Zhiyuan Lin
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
| | - Shuqi Guan
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Western China's Environmental Systems, Lanzhou 730000, PR China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, PR China
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6
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Mathew AT, Saravanakumar MP. Removal of bisphenol A and methylene blue through persulfate activation by calcinated α-MnO 2 nanorods: effect of ultrasonic assistance and toxicity assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:14497-14517. [PMID: 36152093 DOI: 10.1007/s11356-022-23146-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
This work investigates the efficacy of α-MnO2 nanorods for persulfate-mediated degradation of bisphenol A (BPA) and methylene blue (MB), in silent and ultrasonic-assisted systems. The conversion of α-MnO2 nanoparticle flakes to nanorods occurs upon calcination at a temperature of 400 °C for 3 h under the ramping conditions. The comparative characterization of nanomaterials pre- and post-calcination reveals better physical, chemical, and thermal properties of α-MnO2 nanorods. The impact of various operational parameters such as pH, dosage of nanorods, persulfate dose, selected contaminant concentration, ultrasound frequency and power, scavengers, and landfill leachate medium on the degradation of pollutants is also assessed. The ultrasonic assistance yields higher removal for both BPA and MB than the silent system. This may be attributed to the generation of more radicals as ultrasound activates persulfate. This can be due to acoustic cavitation, which leads to better solute dissociation and excited state. The results obtained through scavenger tests reveal that both OH• and SO4•- can contribute to degradation, but the role of SO4•- is found dominant. Significant removal of BPA and MB ((BPA)silent, 87.12%; (MB)silent, 96.54%; (BPA)ultrasonic, 88.75%; (MB)ultrasonic, 93.86%)) is observed in landfill leachate medium. The degradation pathway for pollutants is also proposed. The toxicity of pollutants and their degradation intermediates are evaluated using Ecological Structure Activity Relationships (ECOSAR) program. The results indicate reduced toxicity of BPA intermediates, while most MB degradation intermediates show higher toxicity. Therefore, it can be affirmed that removing pollutants does not ensure a completely non-toxic process. However, the study proposes a comprehensive toxicity evaluation and eliminating toxic intermediates for completely harmless wastewater treatment.
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Affiliation(s)
- Annu Thomas Mathew
- Department of Environmental and Water Resources Engineering, School of Civil Engineering, VIT, Vellore, 632014, India
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7
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Mohanapriya V, Sakthivel R, Pham NDK, Cheng CK, Le HS, Dong TMH. Nanotechnology- A ray of hope for heavy metals removal. CHEMOSPHERE 2023; 311:136989. [PMID: 36309058 DOI: 10.1016/j.chemosphere.2022.136989] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/08/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Environmental effects of heavy metal pollution are considered as a widespread problem throughout the world, as it jeopardizes human health and also reduces the sustainability of a cleaner environment. Removal of such noxious pollutants from wastewater is pivotal because it provides a propitious solution for a cleaner environment and water scarcity. Adsorption treatment plays a significant role in water remediation due to its potent treatment and low cost of adsorbents. In the last two decades, researchers have been highly focused on the modification of adsorption treatment by functionalized and surface-modified nanomaterials which has spurred intense research. The characteristics of nano adsorbents attract global scientists as it is also economically viable. This review shines its light on the functionalized nanomaterials application for heavy metals removal from wastewater and also highlights the importance of regeneration of nanomaterials in the view of visualizing the economic aspects along with a cleaner environment. The review also focused on the proper disposal of nanomaterials with crucial issues that persist in the adsorption process and also emphasize future research modification at a large-scale application in industries.
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Affiliation(s)
- V Mohanapriya
- Research scholar, Department of Civil Engineering, Government College of Technology, Coimbatore, 641013, India.
| | - R Sakthivel
- Department of Mechanical Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India
| | - Nguyen Dang Khoa Pham
- PATET Research Group, Ho Chi Minh City University of Transport, Ho Chi Minh City, Viet Nam
| | - Chin Kui Cheng
- Department of Chemical Engineering, College of Engineering, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Center for Catalysis and Separation (CeCaS), Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Huu Son Le
- Faculty of Automotive Engineering, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Thi Minh Hao Dong
- Institute of Engineering, HUTECH University, Ho Chi Minh City, Viet Nam.
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8
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Huang S, Chen C, Zhao Z, Jia L, Zhang Y. In situ synthesis of magnesium-doped hydroxyapatite aerogel for highly efficient U(VI) separation with ultra high adsorption capacity and excellent recyclability. CHEMOSPHERE 2023; 312:137226. [PMID: 36372341 DOI: 10.1016/j.chemosphere.2022.137226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/26/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Mg-doped HAP aerogel (MHAPA) was firstly in situ prepared via freeze-drying-calcination technology to capture U(VI). The U(VI) removal capacity by MHAPA even arrived 2685.6 mg g-1, which was about 2 times over purchased HAP, illustrating that the incorporation of Mg ions could greatly enhance the U(VI) removal capacity. Compared with HAP, MHAPA also showed better anti-ion interference ability and dynamic removal performances. In comparison with other HAP-based adsorbents, MHAPA possessed good recyclability and its desorption rate was up to 93.4% in the first cycle. The excellent U(VI) removal performances of MHAPA might be owing to its low crystallinity and grain size, fast ion exchange rate and partial ionization under acidic conditions, which would accelerate the process of electrostatic attraction, ion-exchange, and complexation to immobilize U(VI). To sum up, the prepared MHAPA was expected to be an environmentally friendly, recyclable and effective adsorbent to immobilize U(VI) in actual wastewater.
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Affiliation(s)
- Siqi Huang
- State Key Laboratory of Environment-friendly Energy Materials, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Congcong Chen
- State Key Laboratory of Environment-friendly Energy Materials, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Zhibo Zhao
- State Key Laboratory of Environment-friendly Energy Materials, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Lingyi Jia
- State Key Laboratory of Environment-friendly Energy Materials, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Yong Zhang
- State Key Laboratory of Environment-friendly Energy Materials, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang, 621010, China.
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9
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Nosakhare Amenaghawon A, Lewis Anyalewechi C, Uyi Osazuwa O, Agbovhimen Elimian E, Oshiokhai Eshiemogie S, Kayode Oyefolu P, Septya Kusuma H. A Comprehensive Review of Recent Advances in the Synthesis and Application of Metal-Organic Frameworks (MOFs) for the Adsorptive Sequestration of Pollutants from Wastewater. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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10
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Wang D, Tian J, Guan J, Ding Y, Wang ML, Tonnis B, Liu J, Huang Q. Valorization of sugarcane bagasse for sugar extraction and residue as an adsorbent for pollutant removal. Front Bioeng Biotechnol 2022; 10:893941. [PMID: 36091428 PMCID: PMC9449146 DOI: 10.3389/fbioe.2022.893941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/08/2022] [Indexed: 12/07/2022] Open
Abstract
Following juice crushing for sugar or bioethanol production from sugarcane, bagasse (SCB) is generated as the main lignocellulosic by-product. This study utilized SCB generated by a hydraulic press as feedstock to evaluate sugar extraction as well as adsorption potential. Total soluble sugar (sucrose, glucose, and fructose) of 0.4 g/g SCB was recovered with H2O extraction in this case. Insoluble sugar, that is, cellulose in SCB, was further hydrolyzed into glucose (2%–31%) with cellulase enzyme, generating a new bagasse residue (SCBE). Persulfate pretreatment of SCB slightly enhanced saccharification. Both SCB and SCBE showed great potential as adsorbents with 98% of methylene blue (MB) removed by SCB or SCBE and 75% of Cu2+ by SCBE and 80% by SCB in 60 min. The maximum adsorption amount (qm) was 85.8 mg/g (MB by SCB), 77.5 mg/g (MB by SCBE), 3.4 mg/g (Cu2+ by SCB), and 1.2 mg/g (Cu2+ by SCBE). The thermodynamics indicated that the adsorption process is spontaneous, endothermic, and more random in nature. The experimental results offer an alternative to better reutilize SCB.
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Affiliation(s)
- Duanhao Wang
- College of Biology and Food Engineering, Huanghuai University, Zhumadian, China
| | - Jiahua Tian
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Jian Guan
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Yiwen Ding
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Ming Li Wang
- USDA-ARS, Plant Genetic Resources Conservation Unit, Griffin, GA, United States
| | - Brandon Tonnis
- USDA-ARS, Plant Genetic Resources Conservation Unit, Griffin, GA, United States
| | - Jiayang Liu
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
- *Correspondence: Jiayang Liu, ; Qingguo Huang,
| | - Qingguo Huang
- Department of Crop and Soil Sciences, University of Georgia, Griffin, GA, United States
- *Correspondence: Jiayang Liu, ; Qingguo Huang,
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11
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Faraki Z, Bodaghifard MA. A Triazine-Based Cationic Covalent Organic Framework as a Robust Adsorbent for Removal of Methyl Orange. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2110907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Zahra Faraki
- Department of Chemistry, Faculty of Science, Arak University, Arak, Iran
| | - Mohammad Ali Bodaghifard
- Department of Chemistry, Faculty of Science, Arak University, Arak, Iran
- Institute of Nanoscience and Nanotechnology, Arak University, Arak, Iran
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12
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Synthesis of Novel Magnesium-Doped Hydroxyapatite/Chitosan Nanomaterial and Mechanisms for Enhanced Stabilization of Heavy Metals in Soil. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02391-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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13
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Yamada I, Kataoka T, Ikeda R, Samitsu S, Tagaya M. Effective Immobilization of Monomeric Methylene Blue on Hydroxyapatite Nanoparticles by Controlling Inorganic-Organic Interfacial Interactions. Inorg Chem 2022; 61:4865-4878. [PMID: 35297609 DOI: 10.1021/acs.inorgchem.1c03569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We successfully synthesized methylene blue (MB+)-immobilized hydroxyapatite (HM) nanoparticles by changing the initial P/Ca molar ratio. The immobilized amount of MB+ increased with increasing the initial P/Ca molar ratio from 0.6 to 4.0, and the HM had an elliptical shape (long length, 21-24 nm; short length, 11-13 nm) irrespective of the initial P/Ca molar ratio. Upon increasing the initial P/Ca molar ratio, the number of carbonate ions on the HM surface decreased, which would be owing to the electrostatic repulsion by the surface phosphate ions (i.e., P-O-), the surface P-OH mainly dissociated to form P-O-, and the electrostatic interaction of P-O- with MB+ enhanced. The bonding of MB+ with surface P-OH and Ca2+ sites of hydroxyapatite would be hydrogen-bonding and Lewis acid-base interactions, respectively. The optimum synthesis condition for MB+ immobilization at the monomer state was found to be the initial P/Ca molar ratio of 2.0. Here, the existence percentage of the MB+ monomer and the molecular occupancy of the surface carbonate ion at the initial P/Ca molar ratio of 2.0 were higher than those at 4.0 with no significant difference in the immobilized amount of MB+, indicating that MB+ at the initial P/Ca molar ratio of 4.0 is more aggregated than that at 2.0. These results suggested that a part of carbonate ions has a role as a spacer to suppress MB+ aggregation. Accordingly, the interfacial interactions between the MB+ monomer and the hydroxyapatite surface were clarified, which can effectively be controlled by the initial P/Ca molar ratio. These findings will provide fundamental and useful knowledge for the design of calcium phosphate-organic nanohybrids. We believe that these particles will be the base materials to realize diagnostic and/or therapeutic functions through the molecular state control by optimizing the synthesis conditions.
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Affiliation(s)
- Iori Yamada
- Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan.,Research Fellow of the Japan Society for the Promotion of Science (DC), 5-3-1 Koji-machi, Chiyoda-ku, Tokyo 102-0083, Japan
| | - Takuya Kataoka
- Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan.,Research Fellow of the Japan Society for the Promotion of Science (DC), 5-3-1 Koji-machi, Chiyoda-ku, Tokyo 102-0083, Japan
| | - Ryota Ikeda
- Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
| | - Sadaki Samitsu
- Research and Services Division of Materials Data and Integrated System (MaDIS), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
| | - Motohiro Tagaya
- Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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14
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Wang Z, Ren D, Shang S, Zhang S, Zhang X, Chen W. Novel synthesis of Cu-HAP/SiO2@carbon nanocomposites as heterogeneous catalysts for Fenton-like oxidation of 2,4-DCP. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103509] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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15
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Amenaghawon AN, Anyalewechi CL, Darmokoesoemo H, Kusuma HS. Hydroxyapatite-based adsorbents: Applications in sequestering heavy metals and dyes. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 302:113989. [PMID: 34710761 DOI: 10.1016/j.jenvman.2021.113989] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/14/2021] [Accepted: 10/20/2021] [Indexed: 06/13/2023]
Abstract
Hydroxyapatite (HAp) is a calcium phosphate material that was used primarily in bone regeneration and repair as a result of its chemical similarity with bone. However, HAp has emerged as a very promising adsorbent for sequestering contaminants like heavy metals, dyes, hydrocarbons as well as other emerging pollutants from wastewater as a result of its versatility and encouraging adsorptive properties. Contaminants like heavy metals and dyes have been a major source of environmental concern. Research studies involving the use of HAp as adsorbents for the adsorptive treatment of heavy metal- and dye-contaminated wastewater have become increasingly popular due to its eco-friendliness, easy synthesis, unique adsorption properties etc. Various methods are available for the synthesis of HAp and its composites with some of these methods used in combination with other methods to obtain more efficient HAp-based adsorbents. In this work, the adsorptive removal of heavy metals and dyes by HAp and its composites was extensively reviewed as well as the parametric effects of process factors like contact time, solution pH, temperature, solute concentration etc on the adsorption process. Kinetic, thermodynamic, and isotherm models for elucidating the adsorption process were also considered. Generally, from the works reviewed, HAp-based adsorbents were found to be very effective for sequestering heavy metals and dyes from solution and thus presents a low-cost option for adsorptive wastewater treatment.
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Affiliation(s)
- Andrew N Amenaghawon
- Department of Chemical Engineering, Faculty of Engineering, University of Benin, PMB, 1154, Benin City, Edo State, Nigeria.
| | - Chinedu L Anyalewechi
- Department of Chemical Engineering, Faculty of Engineering, University of Benin, PMB, 1154, Benin City, Edo State, Nigeria; Department of Chemical Engineering, Federal Polytechnic Oko, Anambra State, Nigeria
| | - Handoko Darmokoesoemo
- Department of Chemistry, Faculty of Science and Technology, Airlangga University, Mulyorejo, Surabaya, 60115, Indonesia.
| | - Heri Septya Kusuma
- Department of Chemical Engineering, Faculty of Industrial Technology, Universitas Pembangunan Nasional "Veteran" Yogyakarta, Indonesia.
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16
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Faraki Z, Bodaghifard MA. Synthesis and characterization of a highly functionalized cationic porous organic polymer as an efficient adsorbent for removal of hazardous nitrate and chromate ions. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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17
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Priyam A, Singh PP, Afonso LOB, Schultz AG. Abiotic factors and aging alter the physicochemical characteristics and toxicity of Phosphorus nanomaterials to zebrafish embryos. NANOIMPACT 2022; 25:100387. [PMID: 35559893 DOI: 10.1016/j.impact.2022.100387] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/30/2021] [Accepted: 02/01/2022] [Indexed: 06/15/2023]
Abstract
Nanoscale phosphorus (P)-based formulations are being investigated as potentially new fertilizers to overcome the challenges of conventional bulk P fertilizers in agriculture, including low efficacy rates and high application levels. After agricultural applications, the NMs may be released into aquatic environments and transform over time (by aging) or in the presence of abiotic factors such as natural organic matter or sunlight exposure. It is, therefore, important to investigate the physicochemical changes of NMs in environmentally realistic conditions and assess their potential acute and sublethal toxic effects on aquatic organisms. To investigate this, two separate studies were conducted: 1. the effects of 3-months aged P-based NMs on zebrafish embryos, and 2. the influence of humic acid (HA), UV exposure, or a combination of both on P-based NM toxicity in zebrafish embryos. Four different types of nanohydroxyapatites (nHAPs) and a nanophosphorus (nP) were included in the study. These NMs differed in their physicochemical properties, most prominently their shape and size. Environmental transformations were observed for P-based NMs due to aging or interaction with abiotic factors. The aging of the NMs increased the hydrodynamic diameter (HDD) of rod- and needle-shaped NMs and decreased the size of the platelet and spherical NMs, whereas interactions with HA and UV decreased the NMs' HDD. It was observed that no LC50 (survival) and IC50 (hatch and heart rates) were obtained when the zebrafish embryos were exposed to the aged NMs or when NMs were added in the presence of HA and UV. Overall, these results suggest that P-based NMs cause no acute toxicity and minimal sub-lethal toxicity to zebrafish embryos in environmentally realistic experimental conditions.
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Affiliation(s)
- Ayushi Priyam
- School of Life and Environmental Sciences, Deakin University, Geelong, Victoria 3217, Australia; National Centre of Excellence for Advanced Research in Agricultural Nanotechnology, TERI - Deakin Nanobiotechnology Centre, Sustainable Agriculture Division, The Energy and Resources Institute (TERI), DS Block, India Habitat Centre, Lodhi Road, New Delhi 110003, India
| | - Pushplata Prasad Singh
- School of Life and Environmental Sciences, Deakin University, Geelong, Victoria 3217, Australia; National Centre of Excellence for Advanced Research in Agricultural Nanotechnology, TERI - Deakin Nanobiotechnology Centre, Sustainable Agriculture Division, The Energy and Resources Institute (TERI), DS Block, India Habitat Centre, Lodhi Road, New Delhi 110003, India
| | - Luis O B Afonso
- School of Life and Environmental Sciences, Deakin University, Geelong, Victoria 3217, Australia
| | - Aaron G Schultz
- School of Life and Environmental Sciences, Deakin University, Geelong, Victoria 3217, Australia.
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18
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Agougui H, Sebeia N, Jabli M, El-Ghoul Y, Boughzala K. Synthesis of hydroxyapatite-sodium metasilicate via double decomposition method: Characterization and application to the removal of methylene blue. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108986] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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19
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Basfer N, Mansour S, Ahmed M. Physicochemical properties of hydroxyapatite modified with vanadium ions for degradation of methylene blue. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Wei W, Li J, Han X, Yao Y, Zhao W, Han R, Li S, Zhang Y, Zheng C. Insights into the adsorption mechanism of tannic acid by a green synthesized nano-hydroxyapatite and its effect on aqueous Cu(II) removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 778:146189. [PMID: 33714103 DOI: 10.1016/j.scitotenv.2021.146189] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/31/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
The polyphenolic tannic acid (TA) has been widely used in the stabilization and surface modification of nanomaterials. The interaction mechanism of TA with the biogenic nano-hydroxyapatite (nHAP) and its environmental importance, however, are poorly understood. This study explored the adsorption of TA using the green synthesized, eggshell-derived nHAP and implications of this process for the removal of aqueous Cu(II) via batch adsorption experiments, Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS) investigations. TA adsorption by nHAP was a complex pH-dependent process and significantly correlated with TA molecule speciation and amphoteric properties of nHAP via multiple adsorption modes including surface complexation, electrostatic attraction, and hydrogen bond. The maximum TA adsorption amount was found to be 94.8 mg/g for less crystalline nHAP with lower calcination temperature. In the ternary Cu-TA-nHAP systems, TA promoted Cu(II) adsorption at pH < 5 and reduced Cu(II) uptake at pH > 5. Further studies of the effects of ionic strength and addition sequences, as well as Raman, FTIR, and XPS analyses revealed Cu(II) adsorption on nHAP was mainly dominated by inner-sphere surface complexation. These results can shed light on not only the utility of biogenic nHAP for TA and Cu(II) adsorption but also the evaluation of the effect of TA on the environmental behavior of heavy metals.
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Affiliation(s)
- Wei Wei
- School of Environment, Nanjing Normal University, Nanjing 210023, China; Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China; Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Shenzhen 518055, China
| | - Junsuo Li
- School of Environment, Nanjing Normal University, Nanjing 210023, China
| | - Xuan Han
- School of Environment, Nanjing Normal University, Nanjing 210023, China
| | - Yijun Yao
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Zhao
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian, China
| | - Ruiming Han
- School of Environment, Nanjing Normal University, Nanjing 210023, China
| | - Shiyin Li
- School of Environment, Nanjing Normal University, Nanjing 210023, China
| | - Yong Zhang
- Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Chunmiao Zheng
- Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Shenzhen 518055, China; State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science & Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
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21
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Zhao J, Li Y, Li Y, Zhang K, Zhang H, Li Y. Effects of humic acid on sludge performance, antibiotics resistance genes propagation and functional genes expression during Cu(II)-containing wastewater treatment via metagenomics analysis. BIORESOURCE TECHNOLOGY 2021; 323:124575. [PMID: 33360357 DOI: 10.1016/j.biortech.2020.124575] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/12/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
The humic acid (HA) function on the sludge performance, antibiotics resistance genes (ARGs) propagation and functional genes expression during Cu(II)-containing wastewater treatment was comprehensively investigated via metagenomics analysis. Results showed that the pollutants removal was significantly inhibited after long-term exposure of 5 mg/L Cu(II), while the inhibitory effects were moderately alleviated after addition of 10 mg/L HA. The extracellular polymeric substances (EPS) production with Cu(II) acclimation was higher than the sludge with Cu(II) and HA acclimation. The microbial community was significantly affected by the HA addition, while the relative abundance of dominant ARGs had no distinct differences with or without HA addition under Cu(II) stress. The functional genes were largely implemented for microbial metabolism, while no significant differences were found with HA addition under Cu(II) stress. Thus, the HA function for ARGs propagation and functional genes expression needed to be further research under Cu(II) stress in wastewater treatment.
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Affiliation(s)
- Jianguo Zhao
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Yu Li
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Yahe Li
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315211, China.
| | - Ke Zhang
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Hongzhong Zhang
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Yanfei Li
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
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22
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Yang S, Hou Y, Xiong S, Chen F, Jiang Y, Pan C, Tang J, Yu G. Processable hypercrosslinked ionic networks for effective removal of methyl orange. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117986] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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23
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Chen Y, Li M, Li Y, Liu Y, Chen Y, Li H, Li L, Xu F, Jiang H, Chen L. Hydroxyapatite modified sludge-based biochar for the adsorption of Cu 2+ and Cd 2+: Adsorption behavior and mechanisms. BIORESOURCE TECHNOLOGY 2021; 321:124413. [PMID: 33285503 DOI: 10.1016/j.biortech.2020.124413] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/08/2020] [Accepted: 11/11/2020] [Indexed: 06/12/2023]
Abstract
This study prepared sewage sludge, a municipal solid waste, into a biochar modified by hydroxyapatite (HAP) as a new and efficient absorbent (HAP-SSBC) for removal of Cu2+ and Cd2+ from aqueous solution. Adsorption experiment revealed that HAP-SSBC exhibited significantly higher adsorption performance than raw sludge-based biochar (SSBC). At 298.15 K, the maximum adsorption capacity of Cu2+ and Cd2+ via Langmuir model were 89.98 and 114.68 mg/g, respectively. Adsorption kinetic experiment revealed that chemisorption was the main reaction. Analysis of X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy and X-ray photoelectron spectrum (XPS) further confirmed that the main mechanisms were ion exchange with Ca2+, complexion by -OH and -COOH, and forming Cu-π or Cd-π binding with aromatic CC on HAP-SSBC surface. Overall, combing HAP and SSBC to be a new adsorbent is beneficial to the resource utilization of sludge and shows a good prospect for heavy metal removal in aqueous solution.
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Affiliation(s)
- Yaoning Chen
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.
| | - Meiling Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Yuanping Li
- College of Municipal and Mapping Engineering, Hunan City University, Yiyang, Hunan 413000, China
| | - Yihuan Liu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Yanrong Chen
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Hui Li
- State Key Laboratory of Utilization of Woody Oil Resource and Institute of Biological and Environmental Engineering, Hunan Academy of Forestry, Changsha 410004, China
| | - Linshenzhang Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Fangting Xu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Hongjuan Jiang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Li Chen
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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24
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Removal of Polycyclic Aromatic Hydrocarbons in a Heterogeneous Fenton Like Oxidation System Using Nanoscale Zero-Valent Iron as a Catalyst. WATER 2020. [DOI: 10.3390/w12092430] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Oil and gas effluents contains highly toxic and harmful organic pollutants. Therefore, it is necessary to eliminate and/or reduced the concertation of organic pollutants to a technologically acceptable levels before their discharge into water streams. This study investigates the application of nanoscale zero-valent iron (nZVI), and hydrogen peroxide (H2O2) for removal of organic pollutants from real oily produced water. Batch studies were performed and effect of different operating parameters, including concentration of nZVI and H2O2, pH and reaction time were studied. Moreover, optimization of independent variables was performed using central composite design (CCD) in response surface methodology (RSM). The experimental set up provided maximum removal efficiencies of 89.5% and 75.3% for polycyclic aromatic hydrocarbons (PAHs) and chemical oxygen demand (COD), respectively. The optimum values of independent variables such as concentrations of nZVI, and H2O2, contact time and pH were obtained as 4.35 g/L, 1.60 g/L, 199.9 min and 2.9, respectively. Predicted PAHs and COD removal efficiencies at the optimum values of independent variables were found as 89.3% and 75.7%, respectively which are in line with the experimental values. The study indicates that application of heterogeneous Fenton like oxidation system using nZVI as a catalyst is an efficient treatment method for removal of organic pollutants from real produced water.
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