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Vinayagam V, Palani KN, Ganesh S, Rajesh S, Akula VV, Avoodaiappan R, Kushwaha OS, Pugazhendhi A. Recent developments on advanced oxidation processes for degradation of pollutants from wastewater with focus on antibiotics and organic dyes. ENVIRONMENTAL RESEARCH 2024; 240:117500. [PMID: 37914013 DOI: 10.1016/j.envres.2023.117500] [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: 09/24/2023] [Revised: 10/13/2023] [Accepted: 10/23/2023] [Indexed: 11/03/2023]
Abstract
The existence of various pollutants in water environment contributes to global pollution and poses significant threats to humans, wildlife, and other living beings. The emergence of an effective, realistic, cost-effective, and environmentally acceptable technique to treat wastewater generated from different sectors is critical for reducing pollutant accumulation in the environment. The electrochemical advanced oxidation method is a productive technology for treating hazardous effluents because of its potential benefits such as lack of secondary pollutant and high oxidation efficiency. Recent researches on advanced oxidation processes (AOPs) in the period of 2018-2022 are highlighted in this paper. This review emphasizes on recent advances in electro-oxidation (EO), ozone oxidation, sonolysis, radiation, electro-Fenton (EF), photolysis and photocatalysis targeted at treating pharmaceuticals, dyes and pesticides polluted effluents. In the first half of the review, the concept of the AOPs are discussed briefly. Later, the influence of increasing current density, pH, electrode, electrolyte and initial concentration of effluents on degradation are discussed. Lastly, previously reported designs of electrochemical reactors, as well as data on intermediates generated and energy consumption during the electro oxidation and Fenton processes are discussed. According to the literature study, the electro-oxidation technique is more appropriate for organic compounds, whilst the electro-Fenton technique appear to be more appropriate for more complex molecules.
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Affiliation(s)
- Vignesh Vinayagam
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | | | - Sudha Ganesh
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Siddharth Rajesh
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Vedha Varshini Akula
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Ramapriyan Avoodaiappan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Omkar Singh Kushwaha
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, 600036, India
| | - Arivalagan Pugazhendhi
- School of Engineering, Lebanese American University, Byblos, Lebanon; Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
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Solińska A, Marchewka J, Sitarz M, Bajda T. Infrared spectroscopy: the key to elucidating the sorption mechanism of surfactants, dyes and pharmaceuticals on mineral composite material. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 299:122758. [PMID: 37172397 DOI: 10.1016/j.saa.2023.122758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 04/02/2023] [Accepted: 04/14/2023] [Indexed: 05/15/2023]
Abstract
There is a global problem with the effective purification of wastewater containing organic compounds, including dyes, pharmaceuticals and surfactants. Therefore, technologies for the removal of pollutants are still being explored. One of the promising methods could be the application of mineral sorbent composite based on lignite and bentonite. However, it is crucial to comprehensively recognize the mechanisms responsible for immobilizing organic compounds using mineral composite sorbents. The purpose of this work was to prepare and investigate the sorption mechanism of lignite-bentonite composite (BL) sorbents for the removal of dyes: Rhodamine B (RB), Remazol Brilliant Blue R (RBBR), pharmaceuticals: ibuprofen (IB), sulfamethoxazole (STX) and surfactant sodium dodecylbenzenesulfonate (SDBS). The quantitative sorption results have been performed using the high-performance liquid chromatography (HPLC) method. The application of infrared (IR) spectroscopy method was crucial to describe the sorption mechanism. After completing the sorption test, the spectra for the sorbents revealed bands associated with adsorbed RB, RBBR, IB, STX, and SDBS on the BL sorbent. Because lignite is predominated in BL composite, the sorption capacity and mechanism strictly correspond to its sorption properties rather than to bentonite ones. The spectra results indicate that the physical sorption process related to electrostatic forces, hydrogen bonding, and dispersion interactions are predominantly responsible for the immobilization of organic compounds tested on mineral sorbents. The X-ray diffraction (XRD) results indicate the ion exchange process involved in the case of RB adsorption on the bentonite sample. Nevertheless, the sorption mechanism was complex because of the extensive sorption properties of mineral composite and the different chemical properties of the tested organic compounds. The results of our spectroscopic studies help interpret the sorption mechanisms of organic compounds on mineral materials.
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Affiliation(s)
- Agnieszka Solińska
- AGH University of Science and Technology, Faculty of Geology, Geophysics and Environmental Protection, Al. A. Mickiewicza 30, 30-059 Kraków, Poland.
| | - Jakub Marchewka
- AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Al. A. Mickiewicza 30, 30-059 Kraków, Poland.
| | - Maciej Sitarz
- AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Al. A. Mickiewicza 30, 30-059 Kraków, Poland.
| | - Tomasz Bajda
- AGH University of Science and Technology, Faculty of Geology, Geophysics and Environmental Protection, Al. A. Mickiewicza 30, 30-059 Kraków, Poland.
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Saravanan A, Deivayanai VC, Kumar PS, Rangasamy G, Hemavathy RV, Harshana T, Gayathri N, Alagumalai K. A detailed review on advanced oxidation process in treatment of wastewater: Mechanism, challenges and future outlook. CHEMOSPHERE 2022; 308:136524. [PMID: 36165838 DOI: 10.1016/j.chemosphere.2022.136524] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/08/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
The presence of several contaminants in waterbodies raises global pollution and creates major risks to mankind, wildlife, as well as other living organisms. Development of an effective, feasible, cost-effective and eco-friendly approach for treating wastewater that is discharged from various industries is important for bringing down the deposition of contaminants into environment. Advanced oxidation process is an efficient technique for treating wastewater owing to its advantages such as high oxidation efficacy and does not produce any secondary pollutants. Advanced oxidation process can be performed through various methods such as ozone, Fenton, electrochemical, photolysis, sonolysis, etc. These methods have been widely utilized for degradation of emerging pollutants that cannot be destroyed using conventional approaches. This review focuses on wastewater treatment using advanced oxidation process. A brief discussion on mechanism involved is provided. In addition, various types of advanced oxidation process and their mechanism are explained in detail. Challenges faced during wastewater treatment process using oxidation, electrochemical, Fenton, photocatalysis and sonolysis are discussed elaborately. Advanced oxidation process can be viewed as potential approach for treating wastewater with certain modifications and solving challenges.
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Affiliation(s)
- A Saravanan
- Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India.
| | - V C Deivayanai
- Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - Gayathri Rangasamy
- University Centre for Research and Development & Department of Civil Engineering, Chandigarh University, Gharuan, Mohali, Punjab, 140413, India
| | - R V Hemavathy
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - T Harshana
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - N Gayathri
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
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Machado RM, da Silva SW, Bernardes AM, Ferreira JZ. Degradation of carbendazim in aqueous solution by different settings of photochemical and electrochemical oxidation processes. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 310:114805. [PMID: 35240565 DOI: 10.1016/j.jenvman.2022.114805] [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: 11/30/2021] [Revised: 02/19/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
The present study analyzed the performance of photochemical and electrochemical techniques in the degradation and mineralization of the pesticide carbendazim (CBZ). Direct photolysis (DP), heterogeneous photocatalysis (HP), photoelectrocatalysis (PEC), and electrochemical oxidation (EO) were tested, and the influence of UV radiation, current density (j), and supporting electrolyte concentration were evaluated. The results suggest that CBZ is only degraded by DP when UV-C254nm is used. For HP, the CBZ degradation was observed both when UV-A365nm or UV-C254nm were used, which is related to the reactive oxygen species (ROS) formed by the photocatalytic activity (photon-ROS). Neither DP nor HP were able to mineralize CBZ, demonstrating its resistance to photomediated processes. For EO, regardless of the j, there were higher CBZ degradation and mineralization than those observed when using DP and HP. The increase in the supporting electrolyte concentration (Na2SO4) did not affect the levels of degradation and mineralization of CBZ. Concerning the PEC, a CBZ mineralization of 52.2% was accomplished. These findings demonstrate that the EO is the main pathway for CBZ mineralization, suggesting an additional effect of the electro-ROS on the photon-ROS and UV-C254nm. The values of mineralization, kinetics, and half-life show that PEC UV-C254nm with a j of 15 mA cm-2 was the best setting for the degradation and mineralization of CBZ. However, when the values of specific energy consumption were considered for industrial applications, the use of EO with a j of 3 mA cm-2 and 4 g L-1 of Na2SO2 becomes more attractive. The assessment of by-products formed after this best cost-efficient treatment setting revealed the presence of aromatic and aliphatic compounds from CBZ degradation. Acute phytotoxicity results showed that the presence of sodium sulfate can be a representative factor regarding the toxicity of samples treated in electrochemical systems.
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Affiliation(s)
- R M Machado
- Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Ps-graduao em Engenharia de Minas, Metalrgica e de Materiais (PPGE3M), Av. Bento Gonalves, 9500, Porto Alegre, RS, Brazil
| | - S W da Silva
- UFRGS - Instituto de Pesquisas Hidráulicas (IPH), Programa de Pós-graduação em Recursos Hídricos e Saneamento Ambiental, Av. Bento Gonçalves, 9500, Porto Alegre, RS, Brazil.
| | - A M Bernardes
- Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Ps-graduao em Engenharia de Minas, Metalrgica e de Materiais (PPGE3M), Av. Bento Gonalves, 9500, Porto Alegre, RS, Brazil
| | - J Z Ferreira
- Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Ps-graduao em Engenharia de Minas, Metalrgica e de Materiais (PPGE3M), Av. Bento Gonalves, 9500, Porto Alegre, RS, Brazil
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Joseph CG, Taufiq-Yap YH, Affandi NA, Nga JLH, Vijayan V. Photocatalytic treatment of detergent-contaminated wastewater: A short review on current progress. KOREAN J CHEM ENG 2022. [DOI: 10.1007/s11814-021-0964-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Badmus SO, Amusa HK, Oyehan TA, Saleh TA. Environmental risks and toxicity of surfactants: overview of analysis, assessment, and remediation techniques. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:62085-62104. [PMID: 34590224 PMCID: PMC8480275 DOI: 10.1007/s11356-021-16483-w] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/07/2021] [Indexed: 05/08/2023]
Abstract
This work comprehensively reviewed the toxicity and risks of various surfactants and their degraded products in the environmental matrices, various analytical procedures, and remediation methods for these surfactants. The findings revealed that the elevated concentration of surfactants and their degraded products disrupt microbial dynamics and their important biogeochemical processes, hinder plant-surviving processes and their ecological niche, and retard the human organic and systemic functionalities. The enormous adverse effects of surfactants on health and the environment necessitate the need to develop, select, and advance the various analytical and assessment techniques to achieve effective identification and quantification of several surfactants in different environmental matrices. Considering the presence of surfactants in trace concentration and environmental matrices, excellent analysis can only be achieved with appropriate extraction, purification, and preconcentration. Despite these pre-treatment procedures, the chromatographic technique is the preferred analytical technique considering its advancement and shortcomings of other techniques. In the literature, the choice or selection of remediation techniques for surfactants depends largely on eco-friendliness, cost-implications, energy requirements, regeneration potential, and generated sludge composition and volume. Hence, the applications of foam fractionation, electrochemical advanced oxidation processes, thermophilic aerobic membranes reactors, and advanced adsorbents are impressive in the clean-up of the surfactants in the environment. This article presents a compendium of knowledge on environmental toxicity and risks, analytical techniques, and remediation methods of surfactants as a guide for policymakers and researchers.
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Affiliation(s)
- Suaibu O Badmus
- Center for Integrative Petroleum Research, King Fahd University of Petroleum & Minerals, 31261, Dhahran, Saudi Arabia
| | - Hussein K Amusa
- Department of Chemical Engineering, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
| | - Tajudeen A Oyehan
- Center for Integrative Petroleum Research, King Fahd University of Petroleum & Minerals, 31261, Dhahran, Saudi Arabia
| | - Tawfik A Saleh
- Department of Chemistry, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia.
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Teymoorian T, Teymourian T, Kowsari E, Ramakrishna S. Direct and indirect effects of SARS-CoV-2 on wastewater treatment. JOURNAL OF WATER PROCESS ENGINEERING 2021; 42:102193. [PMID: 35592058 PMCID: PMC8226068 DOI: 10.1016/j.jwpe.2021.102193] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/11/2021] [Accepted: 06/21/2021] [Indexed: 05/06/2023]
Abstract
The novel SARS-CoV-2 is expanding internationally. While the current focus is on limiting its transmission from direct contact with infected patients and surfaces during the pandemic, the secondary transmission potential via sewage should not be underestimated, especially in low-income and developing countries with weak wastewater treatment technologies. Recent studies have indicated SARS-CoV-2 positivity also be detected in the feces of patients. Therefore, the risk of transmission and infection can be increased into sewage by the fecal-oral way, mainly in some parts of the globe with a high amount of open defecation. This review collected scattered data and recent studies about the direct and indirect effects of coronavirus in the water cycle. The direct impacts of COVID-19 on wastewater are related to the presence of the coronavirus and suitable viral removal methods in different phases of treatment in wastewater treatment plants. The indirect effects of COVID-19 on wastewater are related to the overuse of cleaning and disinfecting products to protect against viral infection and the overuse of certain drugs to protect against virus or novel mental problems and panic to COVID-19 and consequently their presence in wastewater. This unexpected situation leads to changes in the quality of wastewater and brings adverse and harmful effects for the human, aquatic organisms, and the environment. Therefore, applying effective wastewater treatment technologies with low toxic by-products in wastewater treatment plants will be helpful to prevent the increasing occurrence of these extra contaminants in the environment.
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Affiliation(s)
- Termeh Teymoorian
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), Hafez St., Tehran 15875-4413, Iran
| | - Targol Teymourian
- Department of Civil and Environmental Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez St., Tehran 15875-4413, Iran
| | - Elaheh Kowsari
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), Hafez St., Tehran 15875-4413, Iran
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, 119260, Singapore
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Photocatalytic Nanocomposite Polymer-TiO2 Membranes for Pollutant Removal from Wastewater. Catalysts 2021. [DOI: 10.3390/catal11030402] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Photocatalytic TiO2-PVDF/PMMA nano-composites flat sheet membranes were fabricated by phase inversion and then employed in a crossflow filtration pilot to remove model pollutants of various sizes and charge from aqueous solution. The dope solution contained a mixture of PVDF and PMMA as polymers, polyethylene glycol (PEG) and polyvinylpyrrolidone (PVP) as additives, triethyl phosphate (TEP) as green solvent and TiO2 as immobilized photo catalyst. After undergoing characterization tests such as SEM morphology thickness, porosity, contact angle and water permeability, the membranes were used to eliminate the model pollutants from synthetic aqueous solution. The impact of the operating conditions (i.e., pH, pressure and initial pollutant concentration) and composition of the doping solution on the performance and photocatalytic and antifouling activity of the membranes was investigated. The results showed that Congo Red and Tartrazine despite their small size were rejected at 99% and 81%, respectively, because of their negative charge, while Ciprofloxacin, which is larger than Tartrazine but of neutral charge, crossed the membrane. The permeability did not decrease with a decline in pollutant concentration but diminished when the pressure increased and was reduced by more than half for wastewater.
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Miranda LG, Peglow CP, Deorristt VC, Sales Neto GC, Cardoso AM, Ferrarini SF, Pires MJR. Evaluation of the removal of
n
‐butanol vapor by the poly(lactic acid)
‐zeolite‐TiO
2
composite and formation of by‐products. J Appl Polym Sci 2021. [DOI: 10.1002/app.49842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Luciana Gampert Miranda
- Graduate Program in Materials Engineering and Technology Pontifical Catholic University of Rio Grande do Sul Porto Alegre Brazil
| | - Carolina Pereira Peglow
- School of Technology Pontifical Catholic University of Rio Grande do Sul Porto Alegre Brazil
| | | | | | - Ariela Milbrath Cardoso
- Graduate Program in Materials Engineering and Technology Pontifical Catholic University of Rio Grande do Sul Porto Alegre Brazil
| | - Suzana Frighetto Ferrarini
- Graduate Program in Materials Engineering and Technology Pontifical Catholic University of Rio Grande do Sul Porto Alegre Brazil
- Unidade Hortênsias State University of Rio Grande do Sul (UERGS) São Francisco de Paula Brazil
| | - Marçal José Rodrigues Pires
- Graduate Program in Materials Engineering and Technology Pontifical Catholic University of Rio Grande do Sul Porto Alegre Brazil
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Huang X, Zhu N, Wei X, Ding Y, Ke Y, Wu P, Liu Z. Mechanism insight into efficient peroxydisulfate activation by novel nano zero-valent iron anchored yCo 3O 4 (nZVI/yCo 3O 4) composites. JOURNAL OF HAZARDOUS MATERIALS 2020; 400:123157. [PMID: 32569984 DOI: 10.1016/j.jhazmat.2020.123157] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/18/2020] [Accepted: 06/07/2020] [Indexed: 06/11/2023]
Abstract
Novel nano zero-valent iron anchored bio-matrix supported Co3O4 (nZVI/yCo3O4) composites were fabricated for tetracycline (TC) efficient degradation by activating peroxydisulfate (PS). The systematical characterizations verified that the nZVI/yCo3O4 composites with magnetism have higher surface area than yCo3O4 and pure Co3O4, contributing to more accessible active sites. Various catalytic parameters (nZVI mass ratio, leached ions, initial pH, catalyst dosage, PS concentration and coexisting anions) were thoroughly investigated. In nZVI/yCo3O4/PS system, 97.6 %, 93.4 % and 77.3 % TC were degraded within 15 min at pH 3.0, 6.0 and 9.0, respectively. Based on four successive degradation runs, the excellent mineralization rate and reusability of nZVI/yCo3O4 composites were mainly benefited from the suppressed metals leaching. The PS activated mechanisms were proposed as non-radicals (1O2) dominated pattern at acidic conditions and radicals (SO4-) predominant pattern at alkaline environment, which may be highly related to the electron donating capacity of nZVI at different pH and the M(n + 1)+/Mn+ redox cycling between Fe or Co metal. The plausible degradation routes of TC were presented based on the detected intermediates. Overall, the synthesized heterogeneous nZVI/yCo3O4 composites can efficiently active PS at a wide pH range, and further broaden the application of Co-based catalysts in PS activation.
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Affiliation(s)
- Xixian Huang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Nengwu Zhu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Cluster Ministry of Education, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, Guangzhou 510006, PR China.
| | - Xiaorong Wei
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Yang Ding
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Yixin Ke
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Pingxiao Wu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Zehua Liu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
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Huang K, Liu H, He J, Li Y, Wang R, Tang T, Tao X, Yin H, Dang Z, Lu G. Photoassisted degradation of 2,2',4,4'-tetrabrominated diphenyl ether in simulated soil washing system containing Triton X series surfactants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:115005. [PMID: 32554085 DOI: 10.1016/j.envpol.2020.115005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 05/23/2020] [Accepted: 06/07/2020] [Indexed: 06/11/2023]
Abstract
This study aims to use ultraviolet (UV) irradiation to decompose polybrominated diphenyl ethers (PBDEs) in the elutes and then reuse the surfactants. The results indicate that UV can remove 2,2',4,4'-tetrabrominated diphenyl ether (BDE-47) from surfactant eluents and Triton X series surfactants also can remove BDE-47 from the soil. Triton X-100 (TX-100) is the most promising surfactant during the washing and photodegradation processes. Quench experiments suggest that both 1O2 and OH• were involved in the TX-100 decomposition but only 1O2 is responsible for the degradation of BDE-47. In analysis of the photoproducts of BDE-47 by Gas Chromatography Mass Spectrum (GC-MS) and Liquid Chromatography High Resolution Mass Spectrometry (LC-HRMS), BDE-47 was mainly debrominated to the lower-brominated BDEs and then oxidized to ring-opening products. The little loss of TX-100 can mainly be attributed to the breakage of polyethylene oxide (PEO) chain. Nevertheless, the washing wastes treated by UV light can exhibit higher solubility for BDE-47 than before, indicating they can be reused for BDE-47 removal from soil. The toxicity assessment experiments were performed using Escherichia coli (E.coli) as an indicator. The results indicate that the removal of BDE-47 by UV irradiation can reduce the toxicity of eluent.
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Affiliation(s)
- Kaibo Huang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China
| | - He Liu
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China
| | - Jinglei He
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China
| | - Yan Li
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China
| | - Rui Wang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China
| | - Ting Tang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China
| | - Xueqin Tao
- School of Environmental Science and Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Hua Yin
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, China
| | - Zhi Dang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, China
| | - Guining Lu
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, China.
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12
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Lutterbeck CA, Machado ÊL, Sanchez-Barrios A, Silveira EO, Layton D, Rieger A, Lobo EA. Toxicity evaluation of hospital laundry wastewaters treated by microbial fuel cells and constructed wetlands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 729:138816. [PMID: 32361440 DOI: 10.1016/j.scitotenv.2020.138816] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/05/2020] [Accepted: 04/17/2020] [Indexed: 05/15/2023]
Abstract
Hospital laundries generate high wastewater volumes with the presence of several contaminants. Nevertheless, few studies have investigated the toxicity of these effluents and looked for treatment alternatives that might reduce this eventual toxicity. So, the present study assessed the performance of an integrated system combining a microbial fuel cell (MBFC) and a constructed wetland (CW) to reduce toxic effects of wastewaters generated at a hospital laundry. After collection, raw effluents remained 7 days at the first unit (MBFC) of integrated system. Afterward, they were transferred to the second unit (CW) unit where remained more 7 days totaling a hydraulic detention time of 14 days. The toxicity evaluation involved three different organisms: Daphnia magna (acute ecotoxicity), Lactuca sativa (phytotoxicity) and Allium cepa (phytotoxicity, cytotoxicity, mutagenicity, and genotoxicity). Got results revealed an extremely acute ecotoxicity against D. magna, high phytotoxic effects in the L. sativa and A. cepa assays, and genotoxicity in the A. cepa assay for the untreated effluents. Furthermore, no significant incidence of micronuclei was observed in the raw wastewaters. Regarding the treatment, after the first stage, it was possible to verify that MBFC reduced the toxicity of the wastewaters only in some tested assays (endpoints) while after the CW (second stage) the effluents presented a complete absence of toxicity of the investigated bioassays. Therefore, the use of the integrated system combining two environmentally friendly technologies can be considered promising, since both MBFC and CW presented a complimentary effect with excellent results regarding the reduction of the overall toxicity of hospital laundry wastewaters.
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Affiliation(s)
- Carlos Alexandre Lutterbeck
- Graduate Program in Environmental Technology, Universidade de Santa Cruz do Sul - UNISC, Av. Independência, 2293, 96815-900 Santa Cruz do Sul, Rio Grande do Sul, Brazil.
| | - Ênio Leandro Machado
- Graduate Program in Environmental Technology, Universidade de Santa Cruz do Sul - UNISC, Av. Independência, 2293, 96815-900 Santa Cruz do Sul, Rio Grande do Sul, Brazil.
| | - Andrea Sanchez-Barrios
- Graduate Program in Environmental Technology, Universidade de Santa Cruz do Sul - UNISC, Av. Independência, 2293, 96815-900 Santa Cruz do Sul, Rio Grande do Sul, Brazil; Laboratory of Biotechnology and Genetics, Department of Biology and Pharmacy, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
| | - Elizandro Oliveira Silveira
- Laboratory of Ecotechnology and Applied Limnology, Institute of Hydraulic Research - IPH, Federal University of Rio Grande do Sul - UFRGS, Porto Alegre, RS, Brazil
| | - Daniela Layton
- Laboratory of Biotechnology and Genetics, Department of Biology and Pharmacy, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil; Biology Program, Universidad del Quindío, Carrera 15, calle 12 Norte, Armenia, Quindío, Colombia
| | - Alexandre Rieger
- Laboratory of Biotechnology and Genetics, Department of Biology and Pharmacy, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
| | - Eduardo Alcayaga Lobo
- Graduate Program in Environmental Technology, Universidade de Santa Cruz do Sul - UNISC, Av. Independência, 2293, 96815-900 Santa Cruz do Sul, Rio Grande do Sul, Brazil
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Wang Q, Gao Y, Huang H, Wang L, Jin K, Chen Y. Does electrolysis facilitate simultaneous nitrogen removal and toxicity reduction of low C/N dyeing wastewater by sulfur-based denitrification biofilter? THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 722:137898. [PMID: 32199387 DOI: 10.1016/j.scitotenv.2020.137898] [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: 01/23/2020] [Revised: 03/11/2020] [Accepted: 03/11/2020] [Indexed: 06/10/2023]
Abstract
The concern about wastewater effluent toxicity has motivated the innovation of enhancement technologies on sulfur-based denitrification biofilter in recent years. Electrolysis is a common technology to reduce or remove toxic pollutants. However, the effect of electrolysis on simultaneous total nitrogen (TN) removal and toxicity reduction in sulfur-based denitrification biofilter has not been reported yet. Herein, for the first time, this study investigated the synergistic effects of electrolysis-induced TN removal and toxicity reduction of secondary effluent of dyeing wastewater containing 20 μg/L of nonylphenol (NP), at different carbon to nitrogen ratios (C/N) in several sulfur-based denitrification biofilters. All of the biofilters achieved the denitrification rate of 300.15 g∙N/m3∙d during the stabilization period at C/N = 5. The CSAHD (ceramisite and sulfur as filters) biofilter had highest TN removal rate to achieve the denitrification rate of 257.46 g∙N/m3·d at C/N = 2. Siderite and dolomite both facilitated TN removal efficiency by 9.3%-12.6% under low C/N ratio and acted as the buffer agent in biofilters. Toxicity characteristic leaching procedure (TCLP) test showed that the amount of leached heavy metals was lower than the concentration limit standard of USEPA. Electrolysis did not promote the removal of TN, however, it could reduce NP concentration and increase the biotoxicity relative inhibition rate of effluent by 12.5%-167%, and affect the functional microbial community structure. Our work clarified some misunderstandings about the application of electrolysis-based strengthening technology and enlightened the future development of simultaneous TN removal and toxicity reduction of dyeing wastewater.
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Affiliation(s)
- Qing Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Yixing Environmental Research Institute of Nanjing University, Yixing 214200, Jiangsu, China
| | - Yilin Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Hui Huang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Laichun Wang
- Yixing Environmental Research Institute of Nanjing University, Yixing 214200, Jiangsu, China
| | - Kai Jin
- Yixing Environmental Research Institute of Nanjing University, Yixing 214200, Jiangsu, China
| | - Yinguang Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
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Patil VV, Gogate PR, Bhat AP, Ghosh PK. Treatment of laundry wastewater containing residual surfactants using combined approaches based on ozone, catalyst and cavitation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116594] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Noorimotlagh Z, Kazeminezhad I, Jaafarzadeh N, Ahmadi M, Ramezani Z. Improved performance of immobilized TiO2 under visible light for the commercial surfactant degradation: Role of carbon doped TiO2 and anatase/rutile ratio. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.08.051] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Garrido-Cardenas JA, Esteban-García B, Agüera A, Sánchez-Pérez JA, Manzano-Agugliaro F. Wastewater Treatment by Advanced Oxidation Process and Their Worldwide Research Trends. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 17:E170. [PMID: 31881722 PMCID: PMC6981484 DOI: 10.3390/ijerph17010170] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/18/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023]
Abstract
Background: Water is a scarce resource and is considered a fundamental pillar of sustainable development. The modern development of society requires more and more drinking water. For this cleaner wastewater, treatments are key factors. Among those that exist, advanced oxidation processes are being researched as one of the sustainable solutions. The main objective of this manuscript is to show the scientific advances in this field. Methods: In this paper, a systematic analysis of all the existing scientific works was carried out to verify the evolution of this line of research. Results: It was observed that the three main countries researching this field are China, Spain, and the USA. Regarding the scientific collaboration between countries, three clusters were detected-one of Spain, one of China and the USA, and one of Italy and France. The publications are grouped around three types of water: industrial, urban, and drinking. Regarding the research, 15 clusters identified from the keywords analyzed the advanced oxidation process (alone or combined with biological oxidation) with the type of wastewater and the target pollutant, removal of which is intended. Finally, the most important scientific communities or clusters detected in terms of the number of published articles were those related to the elimination of pollutants of biological origin, such as bacteria, and of industrial nature, such as pesticides or pharmaceutical products.
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Affiliation(s)
| | - Belén Esteban-García
- Solar Energy Research Centre (CIESOL), Joint Centre University of Almería-CIEMAT, 04120 Almería, Spain; (B.E.-G.); (A.A.); (J.A.S.-P.)
- Department of Chemical Engineering, University of Almería, 04120 Almería, Spain
| | - Ana Agüera
- Solar Energy Research Centre (CIESOL), Joint Centre University of Almería-CIEMAT, 04120 Almería, Spain; (B.E.-G.); (A.A.); (J.A.S.-P.)
| | - José Antonio Sánchez-Pérez
- Solar Energy Research Centre (CIESOL), Joint Centre University of Almería-CIEMAT, 04120 Almería, Spain; (B.E.-G.); (A.A.); (J.A.S.-P.)
- Department of Chemical Engineering, University of Almería, 04120 Almería, Spain
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Wohlmuth da Silva S, Arenhart Heberle AN, Pereira Santos A, Siqueira Rodrigues MA, Pérez-Herranz V, Moura Bernardes A. Antibiotics mineralization by electrochemical and UV-based hybrid processes: evaluation of the synergistic effect. ENVIRONMENTAL TECHNOLOGY 2019; 40:3456-3466. [PMID: 29770731 DOI: 10.1080/09593330.2018.1478453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 05/11/2018] [Indexed: 05/25/2023]
Abstract
Antibiotics are not efficiently removed in conventional wastewater treatments. In fact, different advanced oxidation process (AOPs), including ozone, peroxide, UV radiation, among others, are being investigated in the elimination of microcontaminants. Most of AOPs proved to be efficient on the degradation of antibiotics, but the mineralization is on the one hand not evaluated or on the other hand not high. At this work, the UV-based hybrid process, namely Photo-assisted electrochemical oxidation (PEO), was applied, aiming the mineralization of microcontaminants such as the antibiotics Amoxicillin (AMX), Norfloxacin (NOR) and Azithromycin (AZI). The influence of the individual contributions of electrochemical oxidation (EO) and the UV-base processes on the hybrid process (PEO) was analysed. Results showed that AMX and NOR presented higher mineralization rate under direct photolysis than AZI due to the high absorption of UV radiation. For the EO processes, a low mineralization was found for all antibiotics, what was associated to a mass-transport limitation related to the low concentration of contaminants (200 µg/L). Besides that, an increase in mineralization was found, when heterogeneous photocatalysis and EO are compared, due to the influence of UV radiation, which overcomes the mass-transport limitations. Although the UV-based processes control the reaction pathway that leads to mineralization, the best results to mineralize the antibiotics were achieved by PEO hybrid process. This can be explained by the synergistic effect of the processes that constitute them. A higher mineralization was achieved, which is an important and useful finding to avoid the discharge of microcontaminants in the environment.
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Affiliation(s)
- Salatiel Wohlmuth da Silva
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS) , Porto Alegre , Brasil
- Grupo IEC. Departamento de Ingeniería Química y Nuclear, E.T.S.I. Industriales, Universitat Politècnica de València , Valencia , Spain
| | - Alan Nelson Arenhart Heberle
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS) , Porto Alegre , Brasil
| | - Alexia Pereira Santos
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS) , Porto Alegre , Brasil
| | | | - Valentín Pérez-Herranz
- Grupo IEC. Departamento de Ingeniería Química y Nuclear, E.T.S.I. Industriales, Universitat Politècnica de València , Valencia , Spain
| | - Andréa Moura Bernardes
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS) , Porto Alegre , Brasil
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Dong CD, Chen CW, Tsai ML, Chang JH, Lyu SY, Hung CM. Degradation of 4-nonylphenol in marine sediments by persulfate over magnetically modified biochars. BIORESOURCE TECHNOLOGY 2019; 281:143-148. [PMID: 30818265 DOI: 10.1016/j.biortech.2019.02.072] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/14/2019] [Accepted: 02/15/2019] [Indexed: 06/09/2023]
Abstract
In this study, an environmentally friendly and economically viable bamboo biochar (BB) was modified by Fe3O4 and was applied for the treatment of real river sediments containing the endocrine disruptor chemical (EDC) 4-nonylphenol (4-NP). The microporosity of Fe3O4-BB was clearly observed from the N2 adsorption isotherms. The catalytic performance of Fe3O4-BB is highly dependent on pH and the catalyst dosage. The degradation efficiency of 4-NP (85%) was achieved at pH 3.0 using an initial dosage of 3.33 g L-1 Fe3O4-BB and 2.3 × 10-5 M persulfate (PS) in a biochar-sediment system. The kinetic behavior of 4-NP degradation with catalysis can be accounted by using the Langmuir-Hinshelwood type kinetic model. The MTT assay results indicated that Fe3O4-BB has a low potent cytotoxic effect and is therefore suitable for application in remediation of contaminated sediment.
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Affiliation(s)
- Cheng-Di Dong
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Chiu-Wen Chen
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Mei-Ling Tsai
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Jih-Hsing Chang
- Department of Environmental Engineering and Management, Chaoyang University of Technology, Taichung City, Taiwan
| | - Syue-Yu Lyu
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Chang-Mao Hung
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
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Mi X, Han J, Sun Y, Li Y, Hu W, Zhan S. Enhanced catalytic degradation by using RGO-Ce/WO 3 nanosheets modified CF as electro-Fenton cathode: Influence factors, reaction mechanism and pathways. JOURNAL OF HAZARDOUS MATERIALS 2019; 367:365-374. [PMID: 30609402 DOI: 10.1016/j.jhazmat.2018.12.074] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 12/06/2018] [Accepted: 12/20/2018] [Indexed: 06/09/2023]
Abstract
Development of an efficient cathode in advanced oxidation process is an important challenge. In this work, we synthesized a low-cost, high-catalytic-active and stable reduced graphene oxide (RGO)-Ce/WO3 nanosheets (RCW) to modify carbon felt (CF) as cathode to degrade ciprofloxacin (CIP) in electro-Fenton process. Compared to traditional heterogeneous electro-Fenton process, carbon black was substituted by RGO and poly tetra fluoroethylene was avoided to be used as binder. We found that RCW/CF cathode reached about 100% degradation efficiency of CIP after 1 h and 98.55% mineralization degree after 8 h. Meanwhile, it had a very high current density, about 2.5 times that of CF. RCW/CF cathode produced more O2-, H2O2 and OH via one-electron reduction process (O2→O2- →H2O2). The modified cathode kept a stable performance for high CIP degradation efficiency during 5 cycles. The introduction of RGO could promote electron transfer, and the adding of Ce into the WO3 lattice provided superior conditions for the adsorption and activation of oxygen molecules, thus promoting the formation of active oxygen species on the surface of RCW. This novel RCW/CF composite is an efficient and promising electrode for removal of CIP in the wastewater.
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Affiliation(s)
- Xueyue Mi
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Jingjing Han
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Yan Sun
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yi Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China.
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Sihui Zhan
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
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20
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Khatibikamal V, Panahi HA, Torabian A, Baghdadi M. Optimized poly(amidoamine) coated magnetic nanoparticles as adsorbent for the removal of nonylphenol from water. Microchem J 2019. [DOI: 10.1016/j.microc.2018.11.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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21
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Ji J, Kakade A, Zhang R, Zhao S, Khan A, Liu P, Li X. Alcohol ethoxylate degradation of activated sludge is enhanced by bioaugmentation with Pseudomonas sp. LZ-B. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 169:335-343. [PMID: 30458400 DOI: 10.1016/j.ecoenv.2018.11.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 11/09/2018] [Accepted: 11/11/2018] [Indexed: 06/09/2023]
Abstract
An effective bioaugmentation strategy was developed for the removal of alcohol ethoxylates (AEs) from municipal wastewater. An AE-degrading strain, Pseudomonas sp. LZ-B, was isolated from an activated sludge. Strain LZ-B was able to degrade 96.8% of 200 mg/L C12E4 (Brij 30) within 24 h and showed significant biomass increase and removal of total oxygen concentration (TOC). The optimal degradation temperature and pH value were 37 °C and 6.0, respectively. The strain demonstrated greater potential to degrade five different molecular weight AEs within 5 days. HPLC-MS/MS analysis demonstrated that the major metabolites obtained were polyethylene glycol (PEG) and carboxylated AE chains. Activated sludge has a low ability to remove AEs. After inoculation of strain LZ-B into the activated sludge reactor, Strain LZ-B successfully colonized the activated sludge, and AE removal efficiency increased to more than 95% when the hydraulic retention time (HRT) was 10 h. After strain LZ-B cleaved the AE chains, the sludge microbial communities easily removed PEG fragments to facilitate complete biodegradation of AEs. This is the first report describing bioaugmentation to increase AE degradation in an activated sludge system.
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Affiliation(s)
- Jing Ji
- MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Apurva Kakade
- MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Rulan Zhang
- MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Shuai Zhao
- MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Aman Khan
- MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Pu Liu
- Department of Development Biology Sciences, School of Life Science, Lanzhou University, Tianshui South Road #222, Lanzhou, Gansu 730000, PR China
| | - Xiangkai Li
- MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, PR China; Department of Development Biology Sciences, School of Life Science, Lanzhou University, Tianshui South Road #222, Lanzhou, Gansu 730000, PR China.
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22
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Paula MS, Ribeiro RPM, Cerqueira AA, Merçon F, Bila DM, da Cruz Felix L, Marques MRC. Use of reverse osmosis as a polish for the cationic surfactant after electro-oxidative treatment: Acute and chronic toxicity assessment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 163:521-527. [PMID: 30077148 DOI: 10.1016/j.ecoenv.2018.07.112] [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: 03/01/2018] [Revised: 07/25/2018] [Accepted: 07/27/2018] [Indexed: 06/08/2023]
Abstract
The main purpose of this work was to evaluate the performance of a commercial reverse osmosis (RO) membrane regarding selectivity (rejection) and productivity (permeate flux) of the treatment of quaternary ammonium compounds (QAC) after electro-Fenton (EF) treatment. Pollutants treated after the EF process should be investigated for ecotoxicity, since excess ions and high conductivity are harmful to aquatic and terrestrial biota. The use of the membrane system after EF treatment acts as final polishing since some electro-oxidative treatments leave the sample with high conductivity. In this study, RO was operated with a constant flow of 1 L min-1 and feed pressures of 1 MPa, 2 MPa and 3 MPa to reject ions (sodium and iron) and to decrease the level of toxicity using representative species from different taxonomic groups: freshwater algae (Pseudokirchneriella subcapitata), microcrustaceans (Daphnia similis) and lettuce seeds (Lactuca sativa). Experiments carried out at different pressures showed that increased pressure caused a rise in rejection and permeate flux. At the applied pressure of 3 MPa, after 180 min, conductivity removal efficiency of 83% was obtained, 85% for sodium and 99% for iron at a flow of 13.87 L/h m2. In all bioassays, the use of the membrane was efficient to decrease the toxicity by rejecting the ions. The microcrustacean tested was the most sensitive organism, while alga was the most tolerant organism. The germination of lettuce seeds and the relative growth rate of the radicle after the combined EF+RO process was satisfactory.
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Affiliation(s)
- Mariana S Paula
- Laboratório de Tecnologia Ambiental - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil; Departamento de Tecnologia de Processos Bioquímicos - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil
| | - Rodrigo P M Ribeiro
- Departamento de Tecnologia de Processos Bioquímicos - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil
| | - Alexandre A Cerqueira
- Laboratório de Tecnologia Ambiental - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil
| | - Fábio Merçon
- Departamento de Tecnologia de Processos Bioquímicos - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil
| | - Daniele Maia Bila
- Instituto de Química, and Laboratório de Engenharia Sanitária - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil
| | - Louise da Cruz Felix
- Instituto de Química, and Laboratório de Engenharia Sanitária - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil
| | - Mônica R C Marques
- Laboratório de Tecnologia Ambiental - Faculdade de Engenharia -Universidade do Estado Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, CEP 20550-900 RJ, Brazil.
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The effect of microporous vanadosilicate AM-6 thin films as photocatalysts for the degradation of methylene blue. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.03.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Benvenuti T, Gabriel AP, Heberle ANA, Lucena MP, Petter PMH, Meneguzzi Á, Bernardes AM. EVALUATION OF DIRECT PHOTOLYSIS, ELECTROOXIDATION AND PHOTOELECTROOXIDATION FOR RHODAMINE-B DEGRADATION. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2018. [DOI: 10.1590/0104-6632.20180353s20170032] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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25
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Noorimotlagh Z, Kazeminezhad I, Jaafarzadeh N, Ahmadi M, Ramezani Z, Silva Martinez S. The visible-light photodegradation of nonylphenol in the presence of carbon-doped TiO 2 with rutile/anatase ratio coated on GAC: Effect of parameters and degradation mechanism. JOURNAL OF HAZARDOUS MATERIALS 2018; 350:108-120. [PMID: 29459291 DOI: 10.1016/j.jhazmat.2018.02.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 01/25/2018] [Accepted: 02/10/2018] [Indexed: 06/08/2023]
Affiliation(s)
- Zahra Noorimotlagh
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Iraj Kazeminezhad
- Department of Physics, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran; Center for Research on Laser and Plasma, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
| | - Neemat Jaafarzadeh
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Mehdi Ahmadi
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Zahra Ramezani
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Susana Silva Martinez
- Centro de Investigación en Ingeniería y Ciencias Aplicadas, Av. Universidad 1001, Col. Chamilpa, Cuernavaca, Morelos, Mexico.
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Barrera-Díaz CE, Frontana-Uribe BA, Rodríguez-Peña M, Gomez-Palma JC, Bilyeu B. Integrated advanced oxidation process, ozonation-electrodegradation treatments, for nonylphenol removal in batch and continuous reactor. Catal Today 2018. [DOI: 10.1016/j.cattod.2017.09.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chi Y, Zhang H, Huang Q, Lin Y, Ye G, Zhu H, Dong S. Environmental risk assessment of selected organic chemicals based on TOC test and QSAR estimation models. J Environ Sci (China) 2018; 64:23-31. [PMID: 29478644 DOI: 10.1016/j.jes.2016.11.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 11/24/2016] [Accepted: 11/25/2016] [Indexed: 06/08/2023]
Abstract
Environmental risks of organic chemicals have been greatly determined by their persistence, bioaccumulation, and toxicity (PBT) and physicochemical properties. Major regulations in different countries and regions identify chemicals according to their bioconcentration factor (BCF) and octanol-water partition coefficient (Kow), which frequently displays a substantial correlation with the sediment sorption coefficient (Koc). Half-life or degradability is crucial for the persistence evaluation of chemicals. Quantitative structure activity relationship (QSAR) estimation models are indispensable for predicting environmental fate and health effects in the absence of field- or laboratory-based data. In this study, 39 chemicals of high concern were chosen for half-life testing based on total organic carbon (TOC) degradation, and two widely accepted and highly used QSAR estimation models (i.e., EPI Suite and PBT Profiler) were adopted for environmental risk evaluation. The experimental results and estimated data, as well as the two model-based results were compared, based on the water solubility, Kow, Koc, BCF and half-life. Environmental risk assessment of the selected compounds was achieved by combining experimental data and estimation models. It was concluded that both EPI Suite and PBT Profiler were fairly accurate in measuring the physicochemical properties and degradation half-lives for water, soil, and sediment. However, the half-lives between the experimental and the estimated results were still not absolutely consistent. This suggests deficiencies of the prediction models in some ways, and the necessity to combine the experimental data and predicted results for the evaluation of environmental fate and risks of pollutants.
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Affiliation(s)
- Yulang Chi
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huanteng Zhang
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qiansheng Huang
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yi Lin
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Guozhu Ye
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Huimin Zhu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Sijun Dong
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
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Yang Y, Zhou Z, Lu C, Chen Y, Ge H, Wang L, Cheng C. Treatment of chemical cleaning wastewater and cost optimization by response surface methodology coupled nonlinear programming. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2017; 198:12-20. [PMID: 28499156 DOI: 10.1016/j.jenvman.2017.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 05/03/2017] [Accepted: 05/05/2017] [Indexed: 06/07/2023]
Abstract
The real alkaline cleaning wastewater (ACW) was treated by a process consisting of neutralization, NaClO oxidation and aluminum sulfate (AS) coagulation, and a novel response surface methodology coupled nonlinear programming (RSM-NLP) approach was developed and used to optimize the oxidation-coagulation process under constraints of relevant discharge standards. Sulfuric acid neutralization effectively removed chemical oxygen demand (COD), surfactant alkylphenol ethoxylates (OP-10) and silicate at the optimum pH of 7.0, with efficiencies of 62.3%, >82.7% and 94.2%, respectively. Coagulation and adsorption by colloidal hydrated silica formed during neutralization were the major removal mechanisms. NaClO oxidation achieved almost complete removal of COD, but was ineffective for the removal of surfactant OP-10. AS coagulation followed by oxidation can efficiently remove OP-10 with the formation of Si-O-Al compounds. The optimum conditions for COD ≤100 mg/L were obtained at hypochlorite to COD molar ratio of 2.25, pH of 10.0 and AS dosage of 0.65 g Al/L, with minimum cost of 9.58 $/m3 ACW. This study shows that the integrative RSM-NLP approach could effectively optimize the oxidation-coagulation process, and is attractive for techno-economic optimization of systems with multiple factors and threshold requirements for response variables.
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Affiliation(s)
- Yang Yang
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai, 200090, China
| | - Zhen Zhou
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai, 200090, China.
| | - Chenjie Lu
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai, 200090, China
| | - Yunke Chen
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai, 200090, China
| | - Honghua Ge
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai, 200090, China.
| | - Libing Wang
- Shanghai Ahill Chemical Products Co., Ltd, 1038 Guoshun Road, Shanghai, 200090, China
| | - Cheng Cheng
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai, 200090, China
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Krishnan S, Rawindran H, Sinnathambi CM, Lim JW. Comparison of various advanced oxidation processes used in remediation of industrial wastewater laden with recalcitrant pollutants. ACTA ACUST UNITED AC 2017. [DOI: 10.1088/1757-899x/206/1/012089] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wang L, Zhang J, Duan Z, Sun H. Fe(III) and Fe(II) induced photodegradation of nonylphenol polyethoxylate (NPEO) oligomer in aqueous solution and toxicity evaluation of the irradiated solution. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 140:89-95. [PMID: 28236687 DOI: 10.1016/j.ecoenv.2017.02.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 02/11/2017] [Accepted: 02/14/2017] [Indexed: 06/06/2023]
Abstract
Photodegradation of nonylphenol tri-ethoxylate (NPEO3) in aqueous solution, and the effects of Fe(III) or Fe(II) were studied. The increasing degradation kinetics of NPEO3 were observed when 500µM Fe(III) or Fe(II) was present in the solutions. Altered formation of NPEO oligomers with shorter EO chains, including nonyphenol (NP), NPEO1 and NPEO2, was observed in water and in solutions containing Fe(III) or Fe(II). The molar percentage yields of NP and NPEO1,2 production from NPEO3 photodegradation were approximately 20% in NPEO3 solution, while NPEO3 solution with Fe(III), this percentage increased to approximately 50%. In solution with Fe(II), the molar balance between the photodegradation of NPEO3 and the production of NP and NPEO1,2 was observed. A luminescent bacterium, Vibrio fischeri, was used to identify changes in the toxicity of NPEO3 solutions during the photodegradation process under different conditions, while dose addition (DA) model was used to estimate the toxicity of products. Toxicity of NPEO3/water solution increased significantly following the irradiation of UVA/UVB mixture. In contrast, obviously decreasing toxicity was observed when NPEO3 underwent photodegradation in the presence of Fe(III).
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Affiliation(s)
- Lei Wang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin 300071, China.
| | - Junjie Zhang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin 300071, China
| | - Zhenghua Duan
- School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Hongwen Sun
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin 300071, China
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Zaidan LEMC, de Lima Sales RV, de Almeida Salgado JB, da Silva AMRB, Napoleão DC, Rodríguez-Díaz JM, Marques OM, Benachour M, da Silva VL. Photodegradation applied to the treatment of phenol and derived substances catalyzed by TiO 2/BiPO 4 and biological toxicity analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:6002-6012. [PMID: 26676539 DOI: 10.1007/s11356-015-5952-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 12/09/2015] [Indexed: 06/05/2023]
Abstract
For this work, a phenol solution model was treated by an advanced oxidation process (AOPs), using the heterogeneous catalyst TiO2/BiPO4 and hydrogen peroxide combined with UVA for 240 min. An annular reactor containing a UVA lamp (80 W) was employed. A central composite rotacional design was developed employing a TiO2/BiPO4 concentration of 87 mg L-1 and a hydrogen peroxide concentration of 1800 mg L-1, being evaluated by the degradation percentage and phenol mineralization percentage as responses; 94.30 and 67.00 % were obtained for the phenol degradation and total organic carbon (TOC) conversion, respectively. The lumped kinetic model (LKM) was applied and a satisfactory profile of the residual fractions of the organic compounds present in the liquid phase as a time function with a determination coefficient (R 2 = 0.9945). The toxicity tests employing microbiological species indicated that the organisms tested for the evaluation of the toxic compounds present in the contaminated samples presented a practical low cost test, rapid execution, and high sensibility as an indicator of the presence of toxic substances in liquid effluents.
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Affiliation(s)
- Léa Elias Mendes Carneiro Zaidan
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil.
| | - Renata Vitória de Lima Sales
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
| | - Júlia Barbosa de Almeida Salgado
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
| | - Ana Maria Ribeiro Bastos da Silva
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
| | - Daniella Carla Napoleão
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
| | - Joan Manuel Rodríguez-Díaz
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
- Instituto de Investigación, Universidad Técnica de Manabí, Av. Urbina y Che Guevara, Portoviejo, Manabí, Ecuador
| | - Olga Martins Marques
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
| | - Mohand Benachour
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
| | - Valdinete Lins da Silva
- Department of Chemical Engineering, University Federal of Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade, Universitária, Recife, 50740-521, Brazil
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Patiño Y, Pilehvar S, Díaz E, Ordóñez S, De Wael K. Electrochemical reduction of nalidixic acid at glassy carbon electrode modified with multi-walled carbon nanotubes. JOURNAL OF HAZARDOUS MATERIALS 2017; 323:621-631. [PMID: 27776850 DOI: 10.1016/j.jhazmat.2016.10.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 09/25/2016] [Accepted: 10/12/2016] [Indexed: 06/06/2023]
Abstract
The aqueous phase electrochemical degradation of nalidixic acid (NAL) is studied in this work, using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) as instrumental techniques. The promotional effect of multi-walled carbon nanotubes (MWCNT) on the performance of glassy carbon electrodes is demonstrated, being observed that these materials catalyze the NAL reduction. The effect of surface functional groups on MWCNT -MWCNT-COOH and MWCNT-NH2-was also studied. The modification of glassy carbon electrode (GCE) with MWCNT leads to an improved performance for NAL reduction following the order of MWCNT>MWCNT-NH2>MWCNT-COOH. The best behavior at MWCNT-GCE is mainly due to both the increased electrode active area and the enhanced MWCNT adsorption properties. The NAL degradation was carried out under optimal conditions (pH=5.0, deposition time=20s and volume of MWCNT=10μL) using MWCNT-GCE obtaining an irreversible reduction of NAL to less toxic products. Paramaters as the number of DPV cycles and the volume/area (V/A) ratio were optimized for maximize pollutant degradation. It was observed that after 15 DPV scans and V/A=8, a complete reduction was obtained, obtaining two sub-products identified by liquid chromatography-mass spectrometry (LC-MS).
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Affiliation(s)
- Yolanda Patiño
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, 33006 Oviedo, Spain
| | - Sanaz Pilehvar
- AXES Research Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Eva Díaz
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, 33006 Oviedo, Spain
| | - Salvador Ordóñez
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, 33006 Oviedo, Spain.
| | - Karolien De Wael
- AXES Research Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
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34
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Zhao R, Li X, Sun B, Ji H, Wang C. Diethylenetriamine-assisted synthesis of amino-rich hydrothermal carbon-coated electrospun polyacrylonitrile fiber adsorbents for the removal of Cr(VI) and 2,4-dichlorophenoxyacetic acid. J Colloid Interface Sci 2017; 487:297-309. [DOI: 10.1016/j.jcis.2016.10.057] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 10/17/2016] [Accepted: 10/20/2016] [Indexed: 11/25/2022]
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35
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Nie Y, Niu Q, Kato H, Sugo T, Tian X, Li YY. Efficient methanogenic degradation of alcohol ethoxylates and microbial community acclimation in treatment of municipal wastewater using a submerged anaerobic membrane bioreactor. BIORESOURCE TECHNOLOGY 2017; 226:181-190. [PMID: 27997872 DOI: 10.1016/j.biortech.2016.11.128] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 11/28/2016] [Accepted: 11/30/2016] [Indexed: 06/06/2023]
Abstract
The effect of alcohol ethoxylates on the treatment of municipal wastewater by a submerged anaerobic membrane bioreactor was investigated by a 400days operation including the treatment efficiency, methanogenic activity of sludge and microbial community structure. The results indicated that alcohol ethoxylates (5.0-200mg/L) was efficiently degraded and converted into methane due to the similar COD removal 95.5-98.8% and rising biogas production rate (2.30-4.25L/d) compared with control (96.8% and 2.55L/d). The microbes in sludge could copy with the presence of alcohol ethoxylates in wastewater by releasing more SMP and EPS, which caused a higher membrane fouling rate. Moreover, via long term acclimation, the specific methanogenic activity of sludge was greatly enhanced due to the changes of microbial community structure. Hence, the sludge self-acclimation to alcohol ethoxylates was responsible to the efficient methane recovery in treatment of municipal wastewater.
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Affiliation(s)
- Yulun Nie
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, PR China; Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Qigui Niu
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Hiroyuki Kato
- Sewerage Works Division, Sewerage and Wastewater Management Department, Water and Disaster Management Bureau, 2-1-3 Kasumigaseki, Chiyodaku, Tokyo, Japan
| | - Toshiki Sugo
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Xike Tian
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, PR China.
| | - Yu-You Li
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan.
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36
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Lee CH, Lee ES, Lim YK, Park KH, Park HD, Lim DS. Enhanced electrochemical oxidation of phenol by boron-doped diamond nanowire electrode. RSC Adv 2017. [DOI: 10.1039/c6ra26287b] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We fabricated a boron-doped diamond nanowire (BDDNW) electrode via metal-assisted chemical etching (MACE) of Si and electrostatic self-assembly of nanodiamond (ESAND) seeding to provide a large surface area during the phenol oxidation.
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Affiliation(s)
- Choong-Hyun Lee
- Department of Materials Science and Engineering
- Korea University
- Seoul 02841
- Republic of Korea
| | - Eung-Seok Lee
- Department of Materials Science and Engineering
- Korea University
- Seoul 02841
- Republic of Korea
| | - Young-Kyun Lim
- Department of Materials Science and Engineering
- Korea University
- Seoul 02841
- Republic of Korea
| | - Kang-Hee Park
- School of Civil, Environmental and Architectural Engineering
- Korea University
- Seoul 02841
- Republic of Korea
| | - Hee-Deung Park
- School of Civil, Environmental and Architectural Engineering
- Korea University
- Seoul 02841
- Republic of Korea
| | - Dae-Soon Lim
- Department of Materials Science and Engineering
- Korea University
- Seoul 02841
- Republic of Korea
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37
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Li Y, Han J, Mi X, Mi X, Li Y, Zhang S, Zhan S. Modified carbon felt made using CexA1−xO2 composites as a cathode in electro-Fenton system to degrade ciprofloxacin. RSC Adv 2017. [DOI: 10.1039/c7ra03302h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Carbon felt (CF) was modified by CexA1−xO2 (A = Zr, Cu and Ni) and the role of these CexA1−xO2/CF (A = Zr, Cu and Ni) cathode materials in the oxidative degradation of antibiotic ciprofloxacin (CIP) was investigated in the electro-Fenton system.
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Affiliation(s)
- Yi Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Department of Chemistry
- School of Science
- Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
| | - Jingjing Han
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Department of Chemistry
- School of Science
- Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
| | - Xueyue Mi
- College of Environmental Science and Engineering
- Nankai University
- Tianjin 300071
- China
| | | | - Yanan Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Department of Chemistry
- School of Science
- Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
| | - Suge Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Department of Chemistry
- School of Science
- Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
| | - Sihui Zhan
- College of Environmental Science and Engineering
- Nankai University
- Tianjin 300071
- China
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Afonso-Olivares C, Montesdeoca-Esponda S, Sosa-Ferrera Z, Santana-Rodríguez JJ. Analytical tools employed to determine pharmaceutical compounds in wastewaters after application of advanced oxidation processes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:24476-24494. [PMID: 27488717 DOI: 10.1007/s11356-016-7325-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 07/25/2016] [Indexed: 06/06/2023]
Abstract
Today, the presence of contaminants in the environment is a topic of interest for society in general and for the scientific community in particular. A very large amount of different chemical substances reaches the environment after passing through wastewater treatment plants without being eliminated. This is due to the inefficiency of conventional removal processes and the lack of government regulations. The list of compounds entering treatment plants is gradually becoming longer and more varied because most of these compounds come from pharmaceuticals, hormones or personal care products, which are increasingly used by modern society. As a result of this increase in compound variety, to address these emerging pollutants, the development of new and more efficient removal technologies is needed. Different advanced oxidation processes (AOPs), especially photochemical AOPs, have been proposed as supplements to traditional treatments for the elimination of pollutants, showing significant advantages over the use of conventional methods alone. This work aims to review the analytical methodologies employed for the analysis of pharmaceutical compounds from wastewater in studies in which advanced oxidation processes are applied. Due to the low concentrations of these substances in wastewater, mass spectrometry detectors are usually chosen to meet the low detection limits and identification power required. Specifically, time-of-flight detectors are required to analyse the by-products.
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Affiliation(s)
- Cristina Afonso-Olivares
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, 35017, Las Palmas de Gran Canaria, Spain
| | - Sarah Montesdeoca-Esponda
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, 35017, Las Palmas de Gran Canaria, Spain
| | - Zoraida Sosa-Ferrera
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, 35017, Las Palmas de Gran Canaria, Spain
| | - José Juan Santana-Rodríguez
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, 35017, Las Palmas de Gran Canaria, Spain.
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da Silva SW, Viegas C, Ferreira JZ, Rodrigues MAS, Bernardes AM. The effect of the UV photon flux on the photoelectrocatalytic degradation of endocrine-disrupting alkylphenolic chemicals. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:19237-19245. [PMID: 27364484 DOI: 10.1007/s11356-016-7121-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 06/20/2016] [Indexed: 06/06/2023]
Abstract
The photoelectrocatalytic (PEC) degradation of 4-nonylphenol ethoxylate (NP4EO) using a low, moderate, or high UV photon flux in different treatment times was investigated. The byproducts were verified using gas chromatography with flame ionization detection (GC-FID) and gas chromatography with quadrupole mass analyzer (GC-qMS). The GC results showed that the use of a low (2.89 μmol m(-2)s(-1)) or a high (36.16 μmol m(-2)s(-1)) UV photon flux reaching the anode surface was associated to the production of alcohols and the toxic byproduct nonylphenol (NP), leading to the same degradation pathway. Meanwhile, the use of a moderate UV photon flux (14.19 μmol m(-2)s(-1)) reaching the anode surface did not produce alcohols or the NP toxic byproduct. This study demonstrates that different UV photon fluxes will have an influence in the degradation of NP4EO with or without generation of toxic byproducts. Furthermore, it is concluded that, after the determination of the UV photon flux able to degrade NP4EO without NP formation, the treatment time is essential in removal of NP4EO, since increasing the treatment time of 4 to 10 h, when using the PEC best conditions (moderate UV photon flux), implies in a higher treatment efficiency.
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Affiliation(s)
- Salatiel Wohlmuth da Silva
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cheila Viegas
- Universidade Feevale, Campus II ERS-239, 2755, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Jane Zoppas Ferreira
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Porto Alegre, Rio Grande do Sul, Brazil
| | | | - Andréa Moura Bernardes
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Porto Alegre, Rio Grande do Sul, Brazil.
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40
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Ben Hammouda S, Adhoum N, Monser L. Chemical oxidation of a malodorous compound, indole, using iron entrapped in calcium alginate beads. JOURNAL OF HAZARDOUS MATERIALS 2016; 301:350-361. [PMID: 26384996 DOI: 10.1016/j.jhazmat.2015.09.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 09/02/2015] [Accepted: 09/05/2015] [Indexed: 06/05/2023]
Abstract
Iron-alginate beads (Fe-ABs) were successfully prepared by the ion-gelation method, and applied as heterogeneous Fenton catalysts for the removal of a malodorous compound 'indole'. Similarly, copper-enriched alginate beads (Cu-ABs) were synthesized and tested as like-Fenton catalyst, however, their application proved not to be effective for this purpose. Fe-ABs catalysts were characterized by FTIR, SEM, EDS and AAS spectroscopy. Results pointed out that the parameters affecting Fenton catalysis must be carefully chosen to avoid excessive iron release. Under optimal conditions, complete indole removal and considerably high reduction of TOC, without significant leaching was achieved. Indole decay followed a pseudo-first-order kinetics. The absolute rate constant for indole hydroxylation was 3.59×10(9) M(-1) s(-1), as determined by the competition kinetics method. Four reaction intermediates (Isatin, Dioxindole, Oxindole and Anthralinic acid) were identified by ULC/MS/MS analysis. Short-chain aliphatic carboxylic acids like formic, acetic, oxalic, maleic, oxamic and pyruvic acids were identified by ion exclusion chromatography and as end-products. Based on the identified by-products, a plausible mineralization pathway was proposed. Moreover, the catalyst was recovered quantitatively by simple filtration and reused for several times without significant loss of activity.
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Affiliation(s)
- Samia Ben Hammouda
- Laboratory of Analytical Chemistry and Electrochemistry, National Institute of Applied Sciences and Technology, Carthage University, Centre Urbain Nord B.P. No 676, 1080 Tunis Cedex, Tunisia.
| | - Nafaâ Adhoum
- Laboratory of Analytical Chemistry and Electrochemistry, National Institute of Applied Sciences and Technology, Carthage University, Centre Urbain Nord B.P. No 676, 1080 Tunis Cedex, Tunisia
| | - Lotfi Monser
- Laboratory of Analytical Chemistry and Electrochemistry, National Institute of Applied Sciences and Technology, Carthage University, Centre Urbain Nord B.P. No 676, 1080 Tunis Cedex, Tunisia
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Iqbal M, Bhatti IA. Gamma radiation/H2O2 treatment of a nonylphenol ethoxylates: Degradation, cytotoxicity, and mutagenicity evaluation. JOURNAL OF HAZARDOUS MATERIALS 2015; 299:351-360. [PMID: 26143198 DOI: 10.1016/j.jhazmat.2015.06.045] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 06/09/2015] [Accepted: 06/18/2015] [Indexed: 06/04/2023]
Abstract
Gamma radiation/H2O2 treatment of nonylphenol polyethoxylates (NPEO) was performed and treatment effect was evaluated on the basis of degradation, chemical oxygen demand (COD) and total organic carbon (TOC), and toxicity reduction efficiencies. The radiolytic by-products were determined by Fourier Transform Infrared Spectroscopy (FTIR), High-Performance Liquid Chromatography (HPLC), and Gas Chromatography-Mass Spectrometry (GC-MS) techniques. Low mass carboxylic acids, aldehyde, ketone, and acetic acid were identified as the by-products of the NPEO degradation. NPEO sample irradiated to the absorbed dose of 15 kGy/4.58% H2O2 showed more than 90% degradation. Allium cepa (A. cepa), brine shrimp, heamolytic tests were used for cytotoxicity study, while mutagenicity was evaluated through Ames test (TA98 and TA100 strains) of treated and un-treated NPEO. The reductions in COD and TOC were greater than 70% and 50%, respectively. Gamma radiation/H2O2 treatment revealed a considerable reduction in cytotoxicity and mutagenicity. A. cepa, heamolytic and shrimp assays showed cytotoxicity reduction up to 68.65%, 77%, and 94%, respectively. The mutagenicity reduced up to 62%, 74%, and 79% (TA98) and 68%, 78%, and 82% (TA100), respectively of NPEO-6, NPEO-9, and NPEO-30 irradiated to the absorbed dose of 15 kGy/4.58% H2O2. NPEO-6 detoxified more efficiently versus NPEO-9 and NPEO-30 and results showed that Gamma radiation/H2O2 treatment has the potential to mineralize and detoxify NPEO.
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Affiliation(s)
- Munawar Iqbal
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar-25120, Pakistan.
| | - Ijaz Ahmad Bhatti
- Department of Chemistry, University of Agriculture, Faisalabad-38040, Pakistan
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He Y, Huang W, Chen R, Zhang W, Lin H. Improved electrochemical performance of boron-doped diamond electrode depending on the structure of titanium substrate. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2015.08.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Mesoporous carbonaceous materials for single and simultaneous removal of organic pollutants: Activated carbons vs. carbon nanotubes. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.03.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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