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Makoś-Chełstowska P, Słupek E, Gębicki J. Agri-food waste biosorbents for volatile organic compounds removal from air and industrial gases - A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:173910. [PMID: 38880149 DOI: 10.1016/j.scitotenv.2024.173910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/18/2024]
Abstract
Approximately 1.3 billion metric tons of agricultural and food waste is produced annually, highlighting the need for appropriate processing and management strategies. This paper provides an exhaustive overview of the utilization of agri-food waste as a biosorbents for the elimination of volatile organic compounds (VOCs) from gaseous streams. The review paper underscores the critical role of waste management in the context of a circular economy, wherein waste is not viewed as a final product, but rather as a valuable resource for innovative processes. This perspective is consistent with the principles of resource efficiency and sustainability. Various types of waste have been described as effective biosorbents, and methods for biosorbents preparation have been discussed, including thermal treatment, surface activation, and doping with nitrogen, phosphorus, and sulfur atoms. This review further investigates the applications of these biosorbents in adsorbing VOCs from gaseous streams and elucidates the primary mechanisms governing the adsorption process. Additionally, this study sheds light on methods of biosorbents regeneration, which is a key aspect of practical applications. The paper concludes with a critical commentary and discussion of future perspectives in this field, emphasizing the need for more research and innovation in waste management to fully realize the potential of a circular economy. This review serves as a valuable resource for researchers and practitioners interested in the potential use of agri-food waste biosorbents for VOCs removal, marking a significant first step toward considering these aspects together.
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Affiliation(s)
- Patrycja Makoś-Chełstowska
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdańsk, Poland.
| | - Edyta Słupek
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdańsk, Poland
| | - Jacek Gębicki
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdańsk, Poland
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Rayaroth MP, Aravind UK, Boczkaj G, Aravindakumar CT. Singlet oxygen in the removal of organic pollutants: An updated review on the degradation pathways based on mass spectrometry and DFT calculations. CHEMOSPHERE 2023; 345:140203. [PMID: 37734498 DOI: 10.1016/j.chemosphere.2023.140203] [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: 07/17/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/23/2023]
Abstract
The degradation of pollutants by a non-radical pathway involving singlet oxygen (1O2) is highly relevant in advanced oxidation processes. Photosensitizers, modified photocatalysts, and activated persulfates can generate highly selective 1O2 in the medium. The selective reaction of 1O2 with organic pollutants results in the evolution of different intermediate products. While these products can be identified using mass spectrometry (MS) techniques, predicting a proper degradation mechanism in a 1O2-based process is still challenging. Earlier studies utilized MS techniques in the identification of intermediate products and the mechanism was proposed with the support of theoretical calculations. Although some reviews have been reported on the generation of 1O2 and its environmental applications, a proper review of the degradation mechanism by 1O2 is not yet available. Hence, we reviewed the possible degradation pathways of organic contaminants in 1O2-mediated oxidation with the support of density functional theory (DFT). The Fukui function (FF, f-, f+, and f0), HOMO-LUMO energies, and Gibbs free energies obtained using DFT were used to identify the active site in the molecule and the degradation mechanism, respectively. Electrophilic addition, outer sphere type single electron transfer (SET), and addition to the hetero atoms are the key mechanisms involved in the degradation of organic contaminants by 1O2. Since environmental matrices contain several contaminants, it is difficult to experiment with all contaminants to identify their intermediate products. Therefore, the DFT studies are useful for predicting the intermediate compounds during the oxidative removal of the contaminants, especially for complex composition wastewater.
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Affiliation(s)
- Manoj P Rayaroth
- Bigelow Laboratory for Ocean Sciences, 60 Bigelow Dr, East Boothbay, ME, 04544, USA.
| | - Usha K Aravind
- School of Environmental Studies, Cochin University of Science & Technology (CUSAT), Kochi 682022, Kerala, India
| | - Grzegorz Boczkaj
- Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Sanitary Engineering, 80-233, Gdansk, G. Narutowicza 11/12 Str, Poland; EkoTech Center, Gdansk University of Technology, G. Narutowicza St. 11/12, 80-233 Gdansk, Poland
| | - Charuvila T Aravindakumar
- School of Environmental Sciences, Mahatma Gandhi University, Kottayam 686560, Kerala, India; Inter University Instrumentation Centre (IUIC), Mahatma Gandhi University (MGU), Kottayam 686560, Kerala, India.
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Makoś-Chełstowska P. VOCs absorption from gas streams using deep eutectic solvents - A review. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130957. [PMID: 36860043 DOI: 10.1016/j.jhazmat.2023.130957] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/27/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
Volatile organic compounds (VOCs) are one of the most severe atmospheric pollutants. They are mainly emitted into the atmosphere from anthropogenic sources such as automobile exhaust, incomplete fuel combustion, and various industrial processes. VOCs not only cause hazards to human health or the environment but also adversely affect industrial installation components due to their specific properties, i.e., corrosive and reactivity. Therefore, much attention is being paid to developing new methods for capturing VOCs from gaseous streams, i.e., air, process streams, waste streams, or gaseous fuels. Among the available technologies, absorption based on deep eutectic solvents (DES) is widely studied as a green alternative to other commercial processes. This literature review presents a critical summary of the achievements in capturing individual VOCs using DES. The types of used DES and their physicochemical properties affecting absorption efficiency, available methods for evaluating the effectiveness of new technologies, and the possibility of regeneration of DES are described. In addition, critical comments on the new gas purification methods and future perspectives are included.
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Affiliation(s)
- Patrycja Makoś-Chełstowska
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdansk, Poland; EcoTech Center, Gdańsk University of Technology, 80-233 Gdańsk, Poland.
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Deep Eutectic Solvents – ideal solution for clean air or hidden danger? Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Zhang R, Zhang ZX, Wang F, Chen D. Singlet oxygen-dominated non-radical oxidation in biochar/peroxymonosulfate system for efficient degradation of tetracycline hydrochloride: Surface site and catalytic mechanism. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Effective removal of furfural by ultraviolet activated persulfate, peroxide, and percarbonate oxidation: Focus on influencing factors, kinetics, and water matrix effect. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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7
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Ren M, Rigele A, Davaasambuu S, Shun N, Natsagdorj N, Purev N. Study on Gas Chromatography Retention Time Variation of Acetic Acid Combined with Quantum Chemical Calculation. Chromatographia 2022. [DOI: 10.1007/s10337-022-04220-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sun Z, Zhang X, Yang Z, Ma X, Mei R, Zhang X, Tan Y, Liang J, Li C. Efficient peroxymonosulfate activation of immobilized Fe-N-C catalyst on ceramsite for the continuous flow removal of phenol. CHEMOSPHERE 2022; 307:136149. [PMID: 36029862 DOI: 10.1016/j.chemosphere.2022.136149] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/10/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
Nowadays, developing environmentally friendly catalysts with both low cost and high efficiency was still a challenge in actual organic wastewater purification. Herein, the Fe-N-C catalyst was successfully immobilized on solid waste derived ceramsite for efficient degradation of phenol under continuous flow conditions by activating peroxymonosulfate (PMS). After the introduction of ceramsite, the microstructure of Fe-N-C catalyst was changed from granular structure to worm-like structure, promoting the dispersion of the nanoscale catalyst and providing more reactive sites. Therefore, the phenol removal rate and mineralization rate of the obtained 0.5FNNC within 30 min were up to 96.79% and 71.79%, respectively. In addition, the degradation rate of the optimal composite (0.5FNNC)/PMS system was about 4.06 times higher than that of bare Fe-N-C/PMS system. Intriguingly, the Fe ion leaching from 0.5FNNC during the degradation reaction was significantly lower than bare Fe-N-C owing to the strong catalyst-support chemical bonding. Based on electron paramagnetic resonance, quenching experiments, X-ray photoelectron spectroscopy analysis and electrochemical analysis, it was indicated that the non-radical processes (1O2 and high valent iron-oxo species) should be responsible for the phenol degradation. Meanwhile, the possible phenol degradation pathways were proposed, and the intermediates were evaluated for ecotoxicity by ECOSAR. Finally, a preliminary economic analysis of this process was carried out. Overall, this work would provide a new strategy for the construction of ceramsite based multi-pore composite catalysts and the large-scale application of persulfate oxidation technology in organic wastewater treatment.
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Affiliation(s)
- Zhiming Sun
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China
| | - Xinchao Zhang
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China
| | - Zhongqing Yang
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China; Gansu Construction Investment (Holdings) Group Corporation Mining Co. Ltd, Lanzhou, 730000, PR China
| | - Xin Ma
- Water Conservancy Science Research Institute of Inner Mongolia, Hohhot, 010018, China
| | - Ruifeng Mei
- Water Conservancy Science Research Institute of Inner Mongolia, Hohhot, 010018, China
| | - Xiangwei Zhang
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China
| | - Ye Tan
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China
| | - Jialin Liang
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China
| | - Chunquan Li
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, PR China.
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Wang W, Wang X, Zhang H, Shi Q, Liu H. Rhamnolipid-Enhanced ZVI-Activated Sodium Persulfate Remediation of Pyrene-Contaminated Soil. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:11518. [PMID: 36141785 PMCID: PMC9517034 DOI: 10.3390/ijerph191811518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 06/16/2023]
Abstract
In soil, polycyclic aromatic hydrocarbons (PAHs) are tightly bound to organic components, but surfactants can effectively transform them from a solid to a liquid phase. In this study, the biosurfactant rhamnolipid (RL) was selected as the eluent; shaking elution in a thermostatic oscillator improved the elution rate of pyrene, and the effects of RL concentration, temperature, and elution time on the elution effect were compared. After four repeated washings, the maximum elution rate was 75.6% at a rhamnolipid concentration of 20 g/L and a temperature of 45 °C. We found that 38 μm Zero-Valent Iron (ZVI) had a higher primary reaction rate (0.042 h-1), with a degradation rate of 94.5% when 3 g/L ZVI was added to 21 mM Na2S2O8 at 60 °C. Finally, electron paramagnetic resonance (EPR) detected DMPO-OH and DMPO-SO4 signals, which played a major role in the degradation of pyrene. Overall, these results show that the combination of rhamnolipid elution and persulfate oxidation system effectively remediated pyrene-contaminated soil and provides some implications for the combined remediation with biosurfactants and chemical oxidation.
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Affiliation(s)
- Wenyang Wang
- College of Ecology and Environment, Xinjiang University, Urumqi 830046, China
- Xinjiang Key Laboratory of Oasis Ecology, Urumqi 830046, China
| | - Xiyuan Wang
- College of Ecology and Environment, Xinjiang University, Urumqi 830046, China
- Xinjiang Key Laboratory of Oasis Ecology, Urumqi 830046, China
| | - Hao Zhang
- Department of Construction and Environmental Chemical Engineering, Yanshan University Liren College, Qinhuangdao 066004, China
| | - Qingdong Shi
- College of Ecology and Environment, Xinjiang University, Urumqi 830046, China
- Xinjiang Key Laboratory of Oasis Ecology, Urumqi 830046, China
| | - Huapeng Liu
- College of Ecology and Environment, Xinjiang University, Urumqi 830046, China
- Xinjiang Key Laboratory of Oasis Ecology, Urumqi 830046, China
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Cao Y, Yue L, He Z, Li Z, Lian J, Zhou S, Luo X. Effectively compound the heterojunction formed by flower-like Bi 2S 3 and g-C 3N 4 to enhance photocatalytic activity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:61148-61160. [PMID: 35438399 DOI: 10.1007/s11356-022-19815-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
In this study, the flower-shaped Bi2S3/g-C3N4-2.6 heterojunction obtained by solvothermal method and its photocatalytic degradation efficiency of rhodamine B (RhB) and tetracycline (TC) in aqueous solution within 40 min is as high as 98.8% and 94.6%. For RhB degradation, the photocatalytic reaction rate constant (k) of Bi2S3/g-C3N4-2.6 is approximately 1.8 and 45.5 times that of Bi2S3 and g-C3N4. For TC, k is 3.1 and 2.4 times that of Bi2S3 and g-C3N4, respectively. The key to determining the high catalytic activity of Bi2S3/g-C3N4 lies in the formation of a good heterojunction between Bi2S3 and g-C3N4, which accelerates the electron transfer rate between the heterojunction interface and effectively avoids electron-hole recombination. The effects of catalyst dosage, different pH values, inorganic anions, and capture agents on the photodegradation performance of RhB were investigated. The results show that the catalyst dosage is 1.33 g/L, and the solution pH is in the range of 5-9, which has the best removal effect on pollutants, and the isolation of holes (h+) with strong oxidizing ability promotes the collapse of pollutant molecules. Combined with electrochemical tests, a possible degradation mechanism was advised.
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Affiliation(s)
- Yunmeng Cao
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Lin Yue
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China.
| | - Zhuang He
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Zaixing Li
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Jing Lian
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Shilei Zhou
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Xiao Luo
- School of Environmental Science and Engineering, Pollution Prevention Biotechnology Laboratory of Hebei Province, Hebei University of Science and Technology, Shijiazhuang, 050018, China
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11
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Wu X, Wang D, Shi L, Wang H, Wang J, Sun J, Li C, Tian X. A compact gas chromatography platform for detection of multicomponent volatile organic compounds biomarkers. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:065003. [PMID: 35778009 DOI: 10.1063/5.0086618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
Some human exhaled volatile organic compounds (VOCs) can be employed to diagnose related human endogenous diseases as characteristic biomarkers, which is expected to be applied to rapid screening and grading because of their non-invasive and cost-effective advantages. In this study, we developed a compact gas chromatography (GC) platform mainly composed of an integrated silicon-based micro-column chip using micro-electromechanical system techniques and a miniaturized metal oxide semiconductor gas detector. In addition, the sampling/switching valve with related components and embedded microcontrollers was used for airflow control. The fabricated system selectively detected the five VOCs (pentane, acetone, toluene, octane, and decane) considered the typical endogenous disease biomarkers. In the experiments, the functional parameters of the system were investigated, and the optimum temperature conditions of the system for separation were determined. The results show that the system can successfully test the studied five VOCs as low as 1 ppm. In addition, the influence of interfering gas (carbon dioxide and ammonia) on the system for the VOC mixture is also investigated. Moreover, to prove the possibility of breath analysis of the fabricated system, the detection performance of isoprene and acetone at the ppb level is studied. Then, the concentration changes of the isoprene at the ppb concentration for human breath are successfully detected in the system. Therefore, we believe that the prepared compact GC system has potential applications in the human endogenous disease diagnosis for the VOC biomarkers.
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Affiliation(s)
- Xinyu Wu
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Dazuo Wang
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Lujia Shi
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Hairong Wang
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Jiuhong Wang
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Jianhai Sun
- State Key Laboratory of Transducer Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
| | - Changqing Li
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
| | - Xin Tian
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
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Tshangana CS, Muleja AA, Kuvarega AT, Mamba BB. The synergistic effect of peracetic acid activated by graphene oxide quantum dots in the inactivation of E. coli and organic dye removal with LED reactor light. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2022; 57:268-281. [PMID: 35354352 DOI: 10.1080/10934529.2022.2056385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 03/08/2022] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
This study presents a low-impact process that uses the synergy of peracetic acid (PAA) and graphene oxide quantum GQDs to degrade poorly biodegradable organic compounds and potentially substitute chlorination in wastewater treatment. The role of GQDs in GQDs/PAA activity and the effect of GQDs loading were examined. The results showed that increasing GQDs loading in the GQDs/PAA system greatly improved the photodegradation efficiency. Conversely, increasing the PAA concentration slightly enhanced efficiency due to few active sites being available. GQDs acted as catalysts and radical scavenging experiments confirmed that the degradation occurred via generation of hydroxyl (•OH) and peroxy (CH3C(=O)OO•)) radicals. A probable degradation mechanism of the organic dye was presented based on the reaction by-products detected after HPLC-MS studies. The E. coli inactivation mechanism was elucidated by monitoring the morphological changes of E. coli using scanning microscopy. The proposed antimicrobial mechanism includes the initial diffusion of PAA through the cell membrane which caused damage and induced cellular matter leakage, resulting in cell death. Bacterial regrowth studies confirmed GQDs/PAA were able to bypass the natural mechanisms of microorganisms that enables them to repair any damages in their DNA.
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Affiliation(s)
- Charmaine Sesethu Tshangana
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Park, Roodepoort, South Africa
| | - Adolph Anga Muleja
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Park, Roodepoort, South Africa
| | - Alex Tawanda Kuvarega
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Park, Roodepoort, South Africa
| | - Bhekie Brilliance Mamba
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Park, Roodepoort, South Africa
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Rita AI, Nabais AR, Neves LA, Huertas R, Santos M, Madeira LM, Sanches S. Assessment of the Potential of Using Nanofiltration Polymeric and Ceramic Membranes to Treat Refinery Spent Caustic Effluents. MEMBRANES 2022; 12:membranes12010098. [PMID: 35054624 PMCID: PMC8779506 DOI: 10.3390/membranes12010098] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 02/04/2023]
Abstract
Spent caustic effluents are very challenging due to their very hazardous nature in terms of toxicity as well as their extreme pH (approximately 12–14). Spent caustic has presented a challenge for wastewater treatment in refineries, due to its composition rich in mercaptans, sulfides and other aromatic compounds. To address such problems, membrane filtration was studied using real effluents from Sines Refinery, in Portugal. The present study attempts to assess the potential for spent caustic treatment with nanofiltration (NF) polymeric and ceramic membranes, assessing membrane life expectancy. For that, membrane aging studies in static mode were performed with the polymeric membrane before attempting NF treatment (dynamic studies). A ceramic membrane was also tested for the first time with this type of effluents, though only in dynamic mode. Although the polymeric membrane performance was very good and in accordance with previous studies, its lifespan was very reduced after 6 weeks of contact with spent caustic, compromising its use in an industrial unit. Contrarily to expectations, the ceramic membrane tested was not chemically more resistant than the polymeric one upon direct contact with spent caustic (loss of retention capacity in less than 1 h in contact with the spent caustic). The results obtained suggest that a pH of 13.9 is very aggressive, even for ceramic membranes.
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Affiliation(s)
- Ana Isabel Rita
- Sines Refinery, Petrogal S.A., 7520-952 Sines, Portugal; (A.I.R.); (M.S.)
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
- LAQV/REQUIMTE, Chemistry Department, Nova School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal; (A.R.N.); (L.A.N.); (R.H.)
| | - Ana Rita Nabais
- LAQV/REQUIMTE, Chemistry Department, Nova School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal; (A.R.N.); (L.A.N.); (R.H.)
| | - Luisa A. Neves
- LAQV/REQUIMTE, Chemistry Department, Nova School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal; (A.R.N.); (L.A.N.); (R.H.)
| | - Rosa Huertas
- LAQV/REQUIMTE, Chemistry Department, Nova School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal; (A.R.N.); (L.A.N.); (R.H.)
- IBET-Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2780-157 Oeiras, Portugal
| | - Maria Santos
- Sines Refinery, Petrogal S.A., 7520-952 Sines, Portugal; (A.I.R.); (M.S.)
| | - Luis M. Madeira
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
| | - Sandra Sanches
- IBET-Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2780-157 Oeiras, Portugal
- Correspondence:
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14
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Sulfolane as a novel stationary phase for analytical separations by gas chromatography. Anal Chim Acta 2022; 1189:339254. [PMID: 34815033 DOI: 10.1016/j.aca.2021.339254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/01/2021] [Accepted: 11/04/2021] [Indexed: 11/24/2022]
Abstract
Sulfolane is explored as a novel stationary phase for use in analytical separations by capillary column gas chromatography with flame ionization detection (GC-FID). Stainless steel capillaries were found to provide a good substrate for coating and retaining a sulfolane phase, whereas fused silica tubing did not perform well for this. In general, the phase was found to be stable for several hours of use when using elevated carrier gas pressures (90 psi) and a small restriction (25 μm I.D. tubing) at the outlet. This normally provided good performance at temperatures up to about 200 °C with very little background interference in the FID. Given its separation properties, a short 2 m × 100 μm I.D. column was found to be preferable for most separations in this study. Measurements indicated the coating procedure yielded a sulfolane film near 4 μm thick on this column, which produced 4400 plates for benzene with a sample capacity near 30 μg. The sulfolane phase yielded good retention and peak shape for many analytes including alkanes, aromatics, alcohols, bases, sulfides, phosphites, thiols, and others. Compared to longer conventional GC columns, the relatively short sulfolane column was found to offer improved selectivity in the separation of unsaturated, aromatic, and alkane test analytes. As such the method was successfully applied to the analysis of aromatics in gasoline headspace. Results suggest that sulfolane could be a potentially useful stationary phase to further explore in GC separations.
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He Z, He Y, Chang F, Li Z, Niu J, Li M, Zhang S, Li X, Shi R, Hu G. Efficient pH-universal degradation of antibiotic tetracycline via Co 2P decorated Neosinocalamus affinis biochar. CHEMOSPHERE 2022; 286:131759. [PMID: 34388433 DOI: 10.1016/j.chemosphere.2021.131759] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 07/10/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
Considering the complexity of traditional cobalt phosphide (Co2P) loaded biochar synthesis research on a simple and efficient synthesis method has practical significance. In this study, after phosphoric acid activation, Neosinocalamus affinis biochar (NAB) and nanoplate Co3O4 quickly formed a Co2P-NAB composite material with high Co2P crystallinity and was uniformly dispersed on the surface of NAB in a microwave reactor. Co2P-NAB has an excellent catalytic degradation effect in the activation of peroxymonosulfate (PMS) to degrade tetracycline (TC). The optimal TC degradation efficiency was achieved with the addition of 50 mg L-1 TC concentration, 0.2 g L-1 catalysts, 0.406 mM PMS and pH = 6.02. In addition, according to the pseudo-first-order reaction rate constant calculation, the composite of Co2P-NAB and PMS the synergy efficiency is 81.55 %. Compared with Co2P-NAB (10.83 %) and PMS (7.62 %) alone, the Co2P-NAB/PMS system has a significant promotion effect on the degradation of TC molecules. Additionally, the Co2P-NAB/PMS system had a TC mineralization rate of 68 % in 30 min. Furthermore, after a series of characterization, detection and analysis, and influencing factor experiments, we proposed a potential mechanism for the Co2P-NAB/PMS reaction system to degrade TC and found that singlet oxygen (1O2) plays an essential role in the non-radical degradation process. Finally, according to the liquid chromatography-mass spectrometry (LC-MS) detection of TC degradation intermediates, a possible degradation route was proposed. Therefore, this work uses microwave technology to present a novel and simple synthesis method for transition metal phosphides, which provides potential application value for the treatment of actual wastewater with heterogeneous catalysts.
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Affiliation(s)
- Zhuang He
- Institute for Ecological Research and Pollution Control of Plateau Lakes, Institute of International Rivers and Eco-Security, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China; School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Yingnan He
- Institute for Ecological Research and Pollution Control of Plateau Lakes, Institute of International Rivers and Eco-Security, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China
| | - Fengqin Chang
- Institute for Ecological Research and Pollution Control of Plateau Lakes, Institute of International Rivers and Eco-Security, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China
| | - Zaixing Li
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China.
| | - Jianrui Niu
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Meng Li
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450000, China
| | - Shusheng Zhang
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450000, China
| | - Xiaohua Li
- Rural Energy & Environment Agency, Ministry of Agriculture and Rural Affairs, Beijing, 100125, China.
| | - Rongguang Shi
- Agro-environmental Protection Institute Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Guangzhi Hu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, Institute of International Rivers and Eco-Security, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China.
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16
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Nilghaz A, Mousavi SM, Li M, Tian J, Cao R, Wang X. Paper-based microfluidics for food safety and quality analysis. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.08.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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17
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Hu Y, Chen D, Zhang R, Ding Y, Ren Z, Fu M, Cao X, Zeng G. Singlet oxygen-dominated activation of peroxymonosulfate by passion fruit shell derived biochar for catalytic degradation of tetracycline through a non-radical oxidation pathway. JOURNAL OF HAZARDOUS MATERIALS 2021; 419:126495. [PMID: 34218187 DOI: 10.1016/j.jhazmat.2021.126495] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/16/2021] [Accepted: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Waste-derived biochar has been emerged as promising catalysts to activate peroxymonosulfate (PMS) for the degradation of organic contaminants. Herein, passion fruit shell derived biochar (PFSC) was prepared by a one-pot pyrolysis method and used as a metal-free catalyst to activate PMS for the degradation of tetracycline hydrochloride (TC). The batch experiments indicated that the pyrolysis temperature could influence the efficiency of PFSC for the activation of PMS. In the PFSC-900 (prepared at 900 °C)/PMS system, the degradation rate of TC can reach 90.91%. The quenching test and electron paramagnetic resonance spectra revealed that the high catalytic performance of PFSC-900/PMS system was mainly attributed to the non-free radical reaction pathway containing a carbon bridge, and the TC degradation was controlled primarily by singlet oxygen-mediated oxidation. Moreover, the carboxyl group of ketones and the graphite-N atoms on PFSC-900 are the possible active sites of the non-free radical pathway including direct electron transfer or the formation of O2•-/1O2. This study not only shows a new type of biochar as an efficient catalyst for PMS activation but also provides a way of value-added reuse of passion fruit shell.
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Affiliation(s)
- Yi Hu
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Dezhi Chen
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China.
| | - Rui Zhang
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Yuan Ding
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Zhong Ren
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Maosheng Fu
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Xiukun Cao
- JinChenBoKe Environmental Development Technology Co. Ltd, Tianjin 300384, China
| | - Guisheng Zeng
- National-Local Joint Engineering Research Center of Heavy Metal Pollutant Control and Resource utilization, Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
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18
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Makoś-Chełstowska P, Kurowska-Susdorf A, Płotka-Wasylka J. Environmental problems and health risks with disposable baby diapers: Monitoring of toxic compounds by application of analytical techniques and need of education. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116408] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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19
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Aljuboury DADA, Shaik F. Optimization of the petroleum wastewater treatment process using TiO2/Zn photocatalyst. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1016/j.sajce.2021.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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20
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Haq HU, Balal M, Castro-Muñoz R, Hussain Z, Safi F, Ullah S, Boczkaj G. Deep eutectic solvents based assay for extraction and determination of zinc in fish and eel samples using FAAS. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115930] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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21
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Gujar SK, Gogate PR. Application of hybrid oxidative processes based on cavitation for the treatment of commercial dye industry effluents. ULTRASONICS SONOCHEMISTRY 2021; 75:105586. [PMID: 34004457 PMCID: PMC8141528 DOI: 10.1016/j.ultsonch.2021.105586] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 04/29/2021] [Accepted: 05/05/2021] [Indexed: 05/05/2023]
Abstract
The present work demonstrates the significant role of ultrasound (US) in intensifying the efficacy of the combination with Fenton reagent and/or ozone for the treatment of real dye industry industrial effluent procured from the local industry. Initial part of the work focused on analysing the literature based on combination approaches of US with different oxidants applied for the treatment of real and simulated effluents focusing on the dyes. The work also provides guidelines for the selection of optimal operating parameters for maximizing the intensification of the degradation. The second part of the work presents an experimental study into combined approaches of ultrasound with ozone (O3) and Fenton's reagent for treatment of real effluent. Under optimized conditions (100 W, 20 kHz and duty cycle of 70%), maximum COD reductions of 94.79% and 51% were observed using a combined approach of US + Fenton oxidation followed by lime treatment for the treatment of effluent-I and effluent-II respectively at H2O2 loading of 17.5 g/L, H2O2/Fe2+ ratio of 3, pH of 4, CaO dose of 1 g/L and an overall treatment time of 70 min. US + Fenton + O3 followed by lime was also applied for treatment under ozone loading of 1 g/h for the treatment of effluent-I and it was found that maximum COD reduction of 95.12% was obtained within 30 min of treatment time, indicating use of ozone did not result in significant value addition in terms of COD reduction but resulted in faster treatment. HC (inlet pressure: 4 bar) + Fenton + Lime scheme was successfully replicated on a pilot-scale resulting in maximum COD reduction of 57.65% within 70 min of treatment time. Overall, it has been concluded that the hybrid oxidative processes as US + Fenton followed by lime treatment is established as the best approach ensuring effective COD reduction at the same time obtaining final colourless/reusable effluent.
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Affiliation(s)
- Swapnil K Gujar
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Parag R Gogate
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400019, India.
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22
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Guérette C, Lemoine P, Ramirez P, Segura PA. Determination of short-chain carboxylic acids and non-targeted analysis of water samples treated by wet air oxidation using gas chromatography-mass spectrometry. J Chromatogr A 2021; 1652:462352. [PMID: 34233247 DOI: 10.1016/j.chroma.2021.462352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/10/2021] [Accepted: 06/12/2021] [Indexed: 11/20/2022]
Abstract
A method based on gas chromatography coupled with electron ionization mass spectrometry employing N,O-bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane as derivatization agent was developed to quantify short-chain carboxylic acids (C1-C6) in hospital wastewater treated by wet air oxidation, an advanced oxidation process. Extraction from water and derivatization of volatile and semi-volatile short chain carboxylic acids were optimized and validated and limits of quantification (LOQ = 0.049 mg L-1-4.15 mg L-1), repeatability (RSD = 1.7-12.8%), recovery (31-119%) and trueness (relative bias = -19.0-3.4%) were acceptable. The validated method was successfully applied to monitor the concentration of organic acids formed after wet air oxidation of water samples. Results showed that the method described herein allowed to identify 38% and up to 46% of the final chemical oxygen demand's composition after wet air oxidation of acetaminophen spiked in deionised water and hospital wastewater samples, respectively. The developed method also allowed to perform qualitative non-targeted analysis in hospital wastewater samples after treatment. Results demonstrated that glycerol, methenamine, and benzoic acid were also present in the samples and their presence was confirmed with reference standards.
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Affiliation(s)
- Cassandra Guérette
- Department of Chemistry, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada
| | - Pascal Lemoine
- Centre de Transfert Technologique en Écologie Industrielle, Sorel-Tracy, QC J3R 1C2, Canada
| | - Pedro Ramirez
- Centre de Transfert Technologique en Écologie Industrielle, Sorel-Tracy, QC J3R 1C2, Canada
| | - Pedro A Segura
- Department of Chemistry, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada.
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23
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Jiang P, Li XW, Wang JA, Zhou XL. Kinetic and Mechanism Studies on the Photodegradation of Cold-Rolling Emulsion Wastewater by the UV/H 2O 2 Process. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c00835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Peng Jiang
- International Joint Research Center of Green Chemical Engineering, Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xue-Wen Li
- International Joint Research Center of Green Chemical Engineering, Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jin-An Wang
- ESIQIE, Instituto Politécnico Nacional S/N, Col. Zacatenco, 07738 Mexico City, Mexico
| | - Xiao-Long Zhou
- International Joint Research Center of Green Chemical Engineering, Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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24
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Bhat AP, Gogate PR. Degradation of nitrogen-containing hazardous compounds using advanced oxidation processes: A review on aliphatic and aromatic amines, dyes, and pesticides. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123657. [PMID: 33264866 DOI: 10.1016/j.jhazmat.2020.123657] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/29/2020] [Accepted: 08/01/2020] [Indexed: 06/12/2023]
Abstract
Nitrogen-containing amino and azo compounds are widely used in textile, agricultural and chemical industries. Most of these compounds have been demonstrated to be resistant to conventional degradation processes. Advanced oxidation processes can be effective to mineralize nitrogen-containing compounds and improve the efficacy of overall treatment schemes. Due to a global concern for the occurrence of toxic and hazardous amino-compounds and their harmful degradation products in water, it is important to develop technologies that focus on all the aspects of their degradation. Our focus is to present a state-of-the-art review on the degradation of several amine- and azo-based compounds using advanced oxidation processes. The categories reviewed are aromatic amines, aliphatic amines, N-containing dyes and N-containing pesticides. Data has been compiled for degradation efficiencies of each process, reaction mechanisms focusing on specific attack of oxidants on N atoms, the effect of process parameters like pH, initial concentration, time of treatment, etc. and identification of intermediates. Several AOPs have been compared to provide a systematic overview of available literature that will drive essential aspects of future research on amine-based compounds. Ozone is observed to be highly reactive to most amines, dyes and pesticides, followed by Fenton processes. Degradation of amines is highly sensitive to pH and mechanisms differ at different pH values. Cavitation is a promising alternative pre-treatment method for cost reduction. Hybrid methods under optimized conditions are demonstrated to give synergistic effects and must be tailored for specific effluents in question. In conclusion, even though nitrogen-containing compounds are recalcitrant in nature, the use of advanced oxidation processes at carefully established optimum conditions can yield highly efficient degradation of the compounds.
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Affiliation(s)
- Akash P Bhat
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai, 400019, India
| | - Parag R Gogate
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai, 400019, India.
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25
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He Y, Qi M. A novel column modification approach for capillary gas chromatography: combination with a triptycene-based stationary phase achieves high separation performance and inertness. NEW J CHEM 2021. [DOI: 10.1039/d1nj00571e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Integration of the novel column modification approach with a triptycene-based stationary phase achieves high-resolution performance and inertness towards acids/bases and isomers for capillary GC analysis.
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Affiliation(s)
- Yongrui He
- Key Laboratory of Cluster Science
- Ministry of Education of China
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing
| | - Meiling Qi
- Key Laboratory of Cluster Science
- Ministry of Education of China
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing
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26
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Huang Y, Liang M, Ma L, Wang Y, Zhang D, Li L. Ozonation catalysed by ferrosilicon for the degradation of ibuprofen in water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115722. [PMID: 33010547 DOI: 10.1016/j.envpol.2020.115722] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 06/11/2023]
Abstract
The search for optimal catalysts to improve the working efficiency of ozonation has always been an important issue in the research field of advanced oxidation processes. In this study, a novel catalyst, ferrosilicon, was selected as the catalyst in heterogeneous catalytic ozonation to degrade ibuprofen (IBP) in water and treat real pharmaceutical wastewater. During the procedure, 45#ferrosilicon exhibited the best catalytic activity. Under the optimized experimental conditions, the IBP removal reached 75%, which was a great improvement compared to the 37% removal by ozone alone. The 45#-ferrosilicon-catalysed ozonation also achieved 68% TOC removal for real pharmaceutical wastewater, which was 31% higher than that by ozone alone. The degradation pathway of IBP was proposed using GC/MS. The EPR test proved that the main active species in the system were free active radicals •OH, and the measured accumulative •OH amount was 102 μmol. The characterization results show that the nascent metallic oxides, hydroxides, and hydroxyoxides on the ferrosilicon surface facilitated the decomposition of ozone molecules and generation of free active radicals. The removal of target organic contaminants in the water was mainly attributed to the oxidization of these highly active species.
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Affiliation(s)
- Yuanxing Huang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, 200093, PR China
| | - Manli Liang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, 200093, PR China
| | - Luming Ma
- Department of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Yaowei Wang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, 200093, PR China
| | - Daofang Zhang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, 200093, PR China
| | - Liang Li
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, 200093, PR China.
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27
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Abramov VO, Abramova AV, Cravotto G, Nikonov RV, Fedulov IS, Ivanov VK. Flow-mode water treatment under simultaneous hydrodynamic cavitation and plasma. ULTRASONICS SONOCHEMISTRY 2021; 70:105323. [PMID: 32911356 PMCID: PMC7786523 DOI: 10.1016/j.ultsonch.2020.105323] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/01/2020] [Accepted: 08/27/2020] [Indexed: 05/07/2023]
Abstract
Over the last two decades, the scientific community and industry have made huge efforts to develop environmental protection technologies. In particular, the scarcity of drinking water has prompted the investigation of several physico-chemical treatments, and synergistic effects have been observed in hyphenated techniques. Herein, we report the first example of water treatment under simultaneous hydrodynamic cavitation and plasma discharge with the intense generation of radicals, UV light, shock waves and charged particles. This highly reactive environment is well suited to the bulk treatment of polluted water (i.e. E. coli disinfection and organic pollutant degradation). We have developed a new prototype and have efficiently applied this hybrid technology to water disinfection and the complete degradation of methanol in water with the aim of demonstrating its scalability. We have analyzed the mechanisms of water disinfection under the abovementioned conditions and verified them by measuring cavitation noise spectra and plasma emission spectra. We have also used the degradation of textile dyes and methanol solutions as an indicator for the formation of radicals.
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Affiliation(s)
- Vladimir O Abramov
- Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninskiy prospekt 31, 119991 Moscow, Russia
| | - Anna V Abramova
- Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninskiy prospekt 31, 119991 Moscow, Russia.
| | - Giancarlo Cravotto
- Department of Drug Science and Technology, University of Turin, via P. Giuria 9, 10125 Turin, Italy; Sechenov First Moscow State Medical University, 8 Trubetskaya ul, 119991 Moscow, Russia.
| | - Roman V Nikonov
- Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninskiy prospekt 31, 119991 Moscow, Russia
| | - Igor S Fedulov
- Moscow Polytechnic University, Bolshaya Semyonovskaya ul., 38, 107023 Moscow, Russia
| | - Vladimir K Ivanov
- Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninskiy prospekt 31, 119991 Moscow, Russia
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28
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Rita A, Rodrigues C, Santos M, Sanches S, Madeira L. Comparison of different strategies to treat challenging refinery spent caustic effluents. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117482] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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29
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Sun X, Liu J, Ji L, Wang G, Zhao S, Yoon JY, Chen S. A review on hydrodynamic cavitation disinfection: The current state of knowledge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 737:139606. [PMID: 32783818 DOI: 10.1016/j.scitotenv.2020.139606] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/19/2020] [Accepted: 05/19/2020] [Indexed: 05/07/2023]
Abstract
Disinfection, which aims to eliminate pathogenic microorganisms, is an essential step of water treatment. Hydrodynamic cavitation (HC) has emerged as a promising technology for large-scale disinfection without introducing new chemicals. HC, which can effectively induce sonochemistry by mechanical means, creates extraordinary conditions of pressures of ~1000 bar, local hotspots with ~5000 K, and high oxidation (hydroxyl radicals) in room environment. These conditions can produce highly destructive effects on microorganisms in water. In addition, the enhancements of chemical reactions and mass transfers by HC produce the synergism between HC and disinfectants or other physical treatment methods. HC is generated by hydrodynamic cavitation reactors (HCRs), therefore, their performance basically determines the effectiveness, economical efficiency, and applicability of HC disinfection. Therefore, developing high-performance HCRs and revealing the corresponding disinfection mechanisms are the most crucial issues today. In this review, we summarize the fundamental principles of HC and HCRs and recent development in HC disinfection. The energy release from cavitation phenomenon and corresponding mechanisms are elaborated. The performance (effectiveness, treatment ratio, and cost) of various HCRs, effects of treatment conditions on performance, and applicability of HC disinfection are evaluated and discussed. Finally, recommendations are provided for the future progress based on the analysis of previous studies.
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Affiliation(s)
- Xun Sun
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, School of Mechanical Engineering, Shandong University, 17923, Jingshi Road, Jinan, Shandong Province 250061, People's Republic of China.
| | - Jingting Liu
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, School of Mechanical Engineering, Shandong University, 17923, Jingshi Road, Jinan, Shandong Province 250061, People's Republic of China.
| | - Li Ji
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, School of Mechanical Engineering, Shandong University, 17923, Jingshi Road, Jinan, Shandong Province 250061, People's Republic of China.
| | - Guichao Wang
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, School of Mechanical Engineering, Shandong University, 17923, Jingshi Road, Jinan, Shandong Province 250061, People's Republic of China.
| | - Shan Zhao
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University,72 Jimobinhai Road, Qingdao, Shandong Province 266237, People's Republic of China.
| | - Joon Yong Yoon
- Department of Mechanical Engineering, Hanyang University, 55, Hanyangdaehak-ro, Ansan, Gyeonggi-do 15588, Republic of Korea.
| | - Songying Chen
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, School of Mechanical Engineering, Shandong University, 17923, Jingshi Road, Jinan, Shandong Province 250061, People's Republic of China.
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30
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Mukherjee A, Mullick A, Teja R, Vadthya P, Roy A, Moulik S. Performance and energetic analysis of hydrodynamic cavitation and potential integration with existing advanced oxidation processes: A case study for real life greywater treatment. ULTRASONICS SONOCHEMISTRY 2020; 66:105116. [PMID: 32252011 DOI: 10.1016/j.ultsonch.2020.105116] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 03/29/2020] [Accepted: 03/29/2020] [Indexed: 05/27/2023]
Abstract
The current work is a "first of a kind" report on the feasibility and efficacy of hydrodynamic cavitation integrated Advanced Oxidation Processes (AOP's) towards treatment of a real life greywater stream in form of kitchen wastewater. The work has been carried out in a sequential manner starting with geometry optimization of orifice plate (cavitating device) followed by studying the effects of inlet pressure, pH, effluent dilution ratio on degradation of TOC and COD. Under optimized conditions of pH 3, 4 bar pressure, TOC and COD reduction of 18.23 and 25% were obtained using HC for a period of 120 min. To improve the performance of HC, further studies were carried out by integrating H2O2and O3with HC. Using 5 g/h optimum dosage of H2O2, 87.5% reduction in COD was obtained beyond which it started decreasing. Moreover, integrating O3(57.5% reduction in COD) increased the treatment cost. However, a hybrid process (HC + H2O2 + O3) yielded 76.26 and 98.25% reductions in TOC and COD within60 min.The energetics of all the processes and the treatment costs were studied in detail and it was concluded that combined process of HC + H2O2 + O3surpassed by far the performances of HC + H2O2and HC + O3.
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Affiliation(s)
- Anupam Mukherjee
- Centre of Excellence in Process Engineering & Intensification (COE-PE&I), Department of Chemical Engineering Goa, BITS Pilani, Goa 403726, India
| | - Aditi Mullick
- Cavitation and Dynamics Lab, Department of Process Engineering & Technology Transfer, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Ravi Teja
- Cavitation and Dynamics Lab, Department of Process Engineering & Technology Transfer, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Pavani Vadthya
- Cavitation and Dynamics Lab, Department of Process Engineering & Technology Transfer, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Anirban Roy
- Centre of Excellence in Process Engineering & Intensification (COE-PE&I), Department of Chemical Engineering Goa, BITS Pilani, Goa 403726, India.
| | - Siddhartha Moulik
- Cavitation and Dynamics Lab, Department of Process Engineering & Technology Transfer, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.
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Silva M, Bjørnstad T. Determination of phase-partitioning tracer candidates in production waters from oilfields based on solid-phase microextraction followed by gas chromatography-tandem mass spectrometry. J Chromatogr A 2020; 1629:461508. [PMID: 32858453 DOI: 10.1016/j.chroma.2020.461508] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 10/23/2022]
Abstract
In the present document, we report the development of an analytical method consisting of a sequential direct-immersion/headspace solid-phase microextraction (DI-HS-SPME) followed by gas-phase chromatography and tandem mass spectrometry (GC-MS/MS) for simultaneous analysis of 4-chlorobenzyl alcohol, 2,6-dichlorobenzyl alcohol, 4-methoxybenzyl alcohol, 3,4-dimethoxybenzyl alcohol, pyridine, and 2,3-dimethylpyrazine in oilfield production waters. These compounds are under evaluation for use as phase-partitioning tracers in oil reservoirs. To the best of our knowledge, this is the first time SPME has been applied to the analysis of these compounds in production waters, or any other type of matrix where the compounds targeted are the base for a technical application. Relevant extraction parameters, such as the adsorbent phase of the fiber, direct immersion or headspace, addition of salt, temperature and time of extraction were investigated. The final optimal operation conditions consist on extracting 5 mL of sample at pH 9.0 with 1.8 g of NaCl with constant stirring during 5 minutes of DI-SPME followed by 15 minutes of HS-SPME at 70 °C using a DVB/CAR/PDMS (50/30 µm) fiber. The limits of quantification (LOQ), linearity, precision and accuracy of the method were evaluated. Analyses of the tracer compounds and recovery studies were also performed on production waters from 8 different oilfields of the Norwegian continental shelf. LOQs between 0.080 and 0.35 µg L-1 were obtained. The recovery yields of the method were consistently higher than 85% and RSDs less than 13%. None of the tracer compounds was found in the real samples processed, which is consistent with one of the requirements for an artificial tracer in an oilfield: absence or constant and low background in the traced fluid. The performance of the method developed, combined with its easiness to automate, introduce a new, accurate and cost-efficient technique to process the hundreds of samples required by an inter-well tracer test.
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Affiliation(s)
- Mario Silva
- The National IOR Centre of Norway, University of Stavanger, 4036 Stavanger, Norway; Department of Energy Resources, University of Stavanger, 4036 Stavanger, Norway; Institute for Energy Technology (IFE), Department of Tracer Technology, Instituttveien 18, 2007 Kjeller, Norway.
| | - Tor Bjørnstad
- The National IOR Centre of Norway, University of Stavanger, 4036 Stavanger, Norway; Institute for Energy Technology (IFE), Department of Tracer Technology, Instituttveien 18, 2007 Kjeller, Norway
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Delove Tegladza I, Qi T, Chen T, Alorku K, Tang S, Shen W, Kong D, Yuan A, Liu J, Lee HK. Direct immersion single-drop microextraction of semi-volatile organic compounds in environmental samples: A review. JOURNAL OF HAZARDOUS MATERIALS 2020; 393:122403. [PMID: 32126428 DOI: 10.1016/j.jhazmat.2020.122403] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 02/20/2020] [Accepted: 02/23/2020] [Indexed: 06/10/2023]
Abstract
Single-drop microextraction (SDME) techniques are efficient approaches to pretreatment of aqueous samples. The main advantage of SDME lies in the miniaturization of the solvent extraction process, minimizing the hazards associated with the use of toxic organic solvents. Thus, SDME techniques are cost-effective, and represent less harm to the environment, subscribing to green analytical chemistry principles. In practice, two main approaches can be used to perform SDME - direct immersion (DI)-SDME and headspace (HS)-SDME. Even though the DI-SDME has been shown to be quite effective for extraction and enrichment of various organic compounds, applications of DI-SDME are normally more suitable for moderately polar and non-polar semi-volatile organic compounds (SVOCs) using organic solvents which are immiscible with water. In this review, we present a historical overview and current advances in DI-SDME, including the common analytical tools which are usually coupled with DI-SDME. The review also focuses on applications concerning SVOCs in environmental samples. Currents trends in DI-SDME and possible future direction of the procedure are discussed.
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Affiliation(s)
- Isaac Delove Tegladza
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Tong Qi
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Tianyu Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Kingdom Alorku
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Sheng Tang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China.
| | - Wei Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China.
| | - Dezhao Kong
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Aihua Yuan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Jianfeng Liu
- Shanghai Waigaoqiao Shipbuilding Co., Ltd, Shanghai, 200137, PR China
| | - Hian Kee Lee
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore.
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Jafarisani M, Cheshme Khavar AH, Mahjoub AR, Luque R, Rodríguez-Padrón D, Satari M, Gharravi AM, Khastar H, Kazemi SS, Masoumikarimi M. Enhanced visible-light-driven photocatalytic degradation of emerging water contaminants by a modified zinc oxide-based photocatalyst; In-vivo and in-vitro toxicity evaluation of wastewater and PCO-treated water. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116430] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Hollman J, Dominic JA, Achari G. Degradation of pharmaceutical mixtures in aqueous solutions using UV/peracetic acid process: Kinetics, degradation pathways and comparison with UV/H 2O 2. CHEMOSPHERE 2020; 248:125911. [PMID: 32007769 DOI: 10.1016/j.chemosphere.2020.125911] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/10/2020] [Accepted: 01/12/2020] [Indexed: 06/10/2023]
Abstract
This paper presents an evaluation of UV/PAA process for degradation of four pharmaceuticals venlafaxine (VEN), sulfamethoxazole (SFX), fluoxetine (FLU) and carbamazepine (CBZ) with comparison to UV/H2O2 process. The effectiveness of combining PAA and H2O2 at various proportions while irradiating with UVC were also evaluated. UVC/PAA (λ = 254 nm) was effective in degrading all four pharmaceuticals and followed pseudo first-order kinetics. Increasing PAA dosage or UVC intensity resulted in a linear increase in pseudo-first order rate coefficient. Both PAA in dark conditions and UVA/PAA (λ = 360 nm) were marginally effective to degrade SFX and ineffective to degrade VEN, CBZ and FLU; indicating the need for UVC irradiation for activation of PAA. For similar oxidant dosages of 50 mg/L UVC/H2O2 was found to be faster than UV/PAA for VEN, CBZ and FLU by 55%, 75% and 33%, respectively. Under similar conditions, SFX was degraded 24% faster by UV/PAA. Increase in the proportion of H2O2 to PAA in UVC/PAA/H2O2 improved kinetics of degradation compared to PAA alone. Tests on TOC were conducted to determine the amount of acetic acid that is released to water when treatment by UVC/PAA is conducted. Results demonstrated that 70% of PAA by mass was ultimately converted to acetic acid and remained in the treated solutions. Hydroxyl radical attack is hypothesized to be the main mechanism of degradation by UV/PAA as degradation intermediates identified for all the target pharmaceuticals coincided with by-products identified during UV/H2O2 process.
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Affiliation(s)
- Jordan Hollman
- Department of Civil Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - John Albino Dominic
- Department of Civil Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Gopal Achari
- Department of Civil Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada.
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35
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Huang YF, Huang YY, Chiueh PT, Lo SL. Heterogeneous Fenton oxidation of trichloroethylene catalyzed by sewage sludge biochar: Experimental study and life cycle assessment. CHEMOSPHERE 2020; 249:126139. [PMID: 32045758 DOI: 10.1016/j.chemosphere.2020.126139] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 02/05/2020] [Accepted: 02/05/2020] [Indexed: 05/03/2023]
Abstract
Heterogeneous Fenton oxidation of trichloroethylene (TCE) catalyzed by sewage sludge biochar was studied. The highest TCE removal efficiency was 83% at pH 3.1, catalyzed by 300 W biochar. The biochars produced at higher microwave power levels provided better catalytic effect, due to higher iron contents and specific surface areas. Reactivity of sewage sludge biochar maintained after several uses, which provides an advantage for using as a permeable reactive barrier to remediate groundwater pollution. Chromium, copper, nickel, lead, and zinc were found in the leachate generated from sewage sludge biochar, and most of the concentrations were lower than the standards for non-drinking water use. Besides, copper, zinc, and iron were found in the reaction solutions of Fenton oxidation. Because of the highest dosage required for Fenton oxidation, the environmental impact caused by 200 W biochar is highest. The environmental impact caused by 300 W biochar is lowest. Among the four endpoint impact categories in the life cycle assessment (LCA), human health is the highest concern, whereas ecosystem quality is the least. According to experimental and LCA results, the optimum microwave power level would be 300 W. The primary impact source is microwave pyrolysis because of high energy usage.
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Affiliation(s)
- Yu-Fong Huang
- Graduate Institute of Environmental Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 106, Taiwan, ROC
| | - Yu-Yang Huang
- Graduate Institute of Environmental Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 106, Taiwan, ROC
| | - Pei-Te Chiueh
- Graduate Institute of Environmental Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 106, Taiwan, ROC.
| | - Shang-Lien Lo
- Graduate Institute of Environmental Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 106, Taiwan, ROC
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Chen Y, Li J, Hou X, Zhang X, Yin H, Zhang M, Zheng C. Trapping and preconcentration of volatile organic sulfur compounds in water samples by portable and battery-powered trapping device prior to gas chromatography-sulfur chemiluminescence determination. J Chromatogr A 2020; 1619:460947. [PMID: 32268954 DOI: 10.1016/j.chroma.2020.460947] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 10/25/2022]
Abstract
A simple, portable and battery-powered trapping device (iTrap) consisting of a purification tube, a trapping unit and a miniature air pump was developed for the pre-concentration of volatile organic sulfur compounds (VOSCs). The tested VOSCs, including methanthiol (MT), ethanethiol (ET), dimethyl sulfide (DMS), diethyl sulfide (DES) and dimethyl disulfide (DMDS), were firstly purged from water samples and then in situ pre-concentrated with the iTrap prior to their analysis by thermal desorption gas chromatography coupling with a sulfur chemiluminescence detector (TD-GC-SCD). Twenty-six adsorbents were studied to find the most suitable adsorbent for the efficient pre-concentration of VOSCs. Under optimal conditions, limits of detection of 6, 8, 6, 2 and 3 ng L-1 were obtained for MT, ET, DMS, DES and DMDS, respectively. The precisions were better than 5.3% (relative standard deviations, RSDs). The iTrap was successfully applied for the analysis of VOSCs in Certified Reference Materials, several surface water, underground water and wastewater samples collected from Pengzhou city, Sichuan, China. Moreover, the VOSCs trapped in the iTrap were much more stable than those directly stored in water samples and the recoveries for all samples could be maintained at acceptable levels (>73%), even their preservation time as long as 8 h.
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Affiliation(s)
- Yong Chen
- Chengdu Environmental Monitoring Center, Chengdu, Sichuan 610066, China
| | - Jia Li
- Chengdu Environmental Monitoring Center, Chengdu, Sichuan 610066, China
| | - Xiaoling Hou
- Chengdu Environmental Monitoring Center, Chengdu, Sichuan 610066, China
| | - Xiaoxu Zhang
- Chengdu Environmental Monitoring Center, Chengdu, Sichuan 610066, China
| | - Hui Yin
- Chengdu Environmental Monitoring Center, Chengdu, Sichuan 610066, China
| | - Min Zhang
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Chengbin Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, 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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Avila-Sierra A, Vicaria J, Jurado-Alameda E, Martínez-Gallegos J. Removal of food soil by ozone-based oxidation processes: Cleaning and wastewater degradation in a single step. J FOOD ENG 2020. [DOI: 10.1016/j.jfoodeng.2019.109803] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Zaborowska M, Wyszkowska J, Kucharski J. Biochemical activity of soil contaminated with BPS, bioaugmented with a mould fungi consortium and a bacteria consortium. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:37054-37069. [PMID: 31745783 DOI: 10.1007/s11356-019-06875-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/23/2019] [Indexed: 06/10/2023]
Abstract
This study analysed the scale of bisphenol S (BPS) toxicity to the soil biochemical activity and is part of a wider effort to find solutions to restore the global soil environment balance, including elimination of the effects of ecosystem pollution with BPA, of which BPS is a significant analogue. However, since there has been no research on the effect of BPS on soil health, the objective of the study was pursued based on increasing the levels of soil contamination with the bisphenol 0, 5, 50 and 500 mg BPS kg-1 DM of soil and by observing the response of seven soil enzymes: dehydrogenases, catalase, urease, acid phosphatase, alkaline phosphatase, arylsulphatase and β-glucosidase to the growing BPS pressure. The potential negative effect of bisphenol S was offset by bioaugmentation with a bacteria consortium-Pseudomonas umsongensis, Bacillus mycoides, Bacillus weihenstephanensis and Bacillus subtilis-and a fungi consortium Mucor circinelloides, Penicillium daleae, Penicillium chrysogenum and Aspergillus niger. BPS was found to be a significant inhibitor of the soil enzymatic activity and, in consequence, its fertility. Dehydrogenases and acid phosphatase proved to be the most susceptible to BPS pressure. Bioaugmentation with a bacteria consortium offset the negative effect of 500 mg BPS kg-1 DM of soil by inducing an increase in the activity of acid phosphatase and alkaline phosphatase, whereas the fungi consortium stimulated the activity of β-glucosidase and acid phosphatase. A spectacular dimension of bisphenol S inhibition corresponded with both the spring rape above-ground parts and root development disorders and the content of Ca and K in them. The BPS level in soil on day 5 of the experiment decreased by 61% and by another 19% on day 60.
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Affiliation(s)
- Magdalena Zaborowska
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10 -727, Olsztyn, Poland
| | - Jadwiga Wyszkowska
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10 -727, Olsztyn, Poland.
| | - Jan Kucharski
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10 -727, Olsztyn, Poland
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