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Chen M, Moher D, Rogers J, Yatom S, Thimsen E, Parker KM. Effects of Halides on Organic Compound Degradation during Plasma Treatment of Brines. Environ Sci Technol 2024; 58:5139-5152. [PMID: 38446791 DOI: 10.1021/acs.est.3c07162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Plasma has been proposed as an alternative strategy to treat organic contaminants in brines. Chemical degradation in these systems is expected to be partially driven by halogen oxidants, which have been detected in halide-containing solutions exposed to plasma. In this study, we characterized specific mechanisms involving the formation and reactions of halogen oxidants during plasma treatment. We first demonstrated that addition of halides accelerated the degradation of a probe compound known to react quickly with halogen oxidants (i.e., para-hydroxybenzoate) but did not affect the degradation of a less reactive probe compound (i.e., benzoate). This effect was attributed to the degradation of para-hydroxybenzoate by hypohalous acids, which were produced via a mechanism involving halogen radicals as intermediates. We applied this mechanistic insight to investigate the impact of constituents in brines on reactions driven by halogen oxidants during plasma treatment. Bromide, which is expected to occur alongside chloride in brines, was required to enable halogen oxidant formation, consistent with the generation of halogen radicals from the oxidation of halides by hydroxyl radical. Other constituents typically present in brines (i.e., carbonates, organic matter) slowed the degradation of organic compounds, consistent with their ability to scavenge species involved during plasma treatment.
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Affiliation(s)
- Moshan Chen
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Dillon Moher
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Jacqueline Rogers
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Shurik Yatom
- Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08540 , United States
| | - Elijah Thimsen
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Kimberly M Parker
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
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2
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Chen C, Ma C, Yang Y, Yang X, Demeestere K, Nikiforov A, Van Hulle S. Degradation of micropollutants in secondary wastewater effluent using nonthermal plasma-based AOPs: The roles of free radicals and molecular oxidants. Water Res 2023; 235:119881. [PMID: 36963308 DOI: 10.1016/j.watres.2023.119881] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Emerging micropollutants (µPs) appearing in water bodies endanger aquatic animals, plants, microorganisms and humans. The nonthermal plasma-based advanced oxidation process is a promising technology for eliminating µPs in wastewater but still needs further development in view of full-scale industrial application. A novel cascade reactor design which consists of an ozonation chamber preceding a dielectric barrier discharge (DBD) plasma reactor with a falling water film on an activated carbon textile (Zorflex®) was used to remove a selection of µPs from secondary municipal wastewater effluent. Compare to previous plasma reactor, molecular oxidants degraded micropollutants again in an ozonation chamber in this study, and the utilization of different reactive oxygen species (ROS) was improved. A gas flow rate of 0.4 standard liter per minute (SLM), a water flow rate of 100 mL min-1, and a discharge power of 25 W are identified as the optimal plasma reactor parameters, and the µP degradation efficiency and electrical energy per order value (EE/O) are 84-98% and 2.4-5.3 kW/m³, respectively. The presence of ROS during plasma treatment was determined in view of the µPs removal mechanisms. The degradation of diuron (DIU), bisphenol A (BPA) and 2-n-octyl-4-isothiazolin-3-one (OIT) was mainly performed in ozonation chamber, while the degradation of atrazine (ATZ), alachlor (ALA) and primidone (PRD) occurred in entire cascade system. The ROS not only degrade the µPs, but also remove nitrite (90.5%), nitrate (69.6%), ammonium (39.6%) and bulk organics (11.4%). This study provides insights and optimal settings for an energy-efficient removal of µPs from secondary effluent using both free radicals and molecular oxidants generated by the plasma in view of full-scale application.
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Affiliation(s)
- Changtao Chen
- LIWET, Laboratory for Industrial Water and EcoTechnology, Ghent University, Campus Kortrijk, Sint-Martens - Latemlaan 2B, Kortrijk 8500, Belgium; Research Unit Plasma Technology (RUPT), Department of Applied Physics, Ghent University, Sint - Pietersnieuwstraat 41, B4, Ghent 9000, Belgium; Research Group Environmental Organic Chemistry and Technology (EnVOC), Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent 9000, Belgium
| | - Chuanlong Ma
- Research Unit Plasma Technology (RUPT), Department of Applied Physics, Ghent University, Sint - Pietersnieuwstraat 41, B4, Ghent 9000, Belgium
| | - Yongyuan Yang
- LIWET, Laboratory for Industrial Water and EcoTechnology, Ghent University, Campus Kortrijk, Sint-Martens - Latemlaan 2B, Kortrijk 8500, Belgium
| | - Xuetong Yang
- LIWET, Laboratory for Industrial Water and EcoTechnology, Ghent University, Campus Kortrijk, Sint-Martens - Latemlaan 2B, Kortrijk 8500, Belgium.
| | - Kristof Demeestere
- Research Group Environmental Organic Chemistry and Technology (EnVOC), Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent 9000, Belgium
| | - Anton Nikiforov
- Research Unit Plasma Technology (RUPT), Department of Applied Physics, Ghent University, Sint - Pietersnieuwstraat 41, B4, Ghent 9000, Belgium
| | - Stijn Van Hulle
- LIWET, Laboratory for Industrial Water and EcoTechnology, Ghent University, Campus Kortrijk, Sint-Martens - Latemlaan 2B, Kortrijk 8500, Belgium
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3
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Manna M, Sen S. Advanced oxidation process: a sustainable technology for treating refractory organic compounds present in industrial wastewater. Environ Sci Pollut Res Int 2023; 30:25477-25505. [PMID: 35287196 DOI: 10.1007/s11356-022-19435-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
The world faces tremendous challenges and environmental crises due to the rising strength of wastewater. The conventional technologies fail to achieve the quality water that can be reused after treatment means "zero effluent" discharge of the industrial effluent. Therefore, now the key challenge is to develop improved technologies which will have no contribution to secondary pollution and at the same time more efficient for the socio-economic growth of the environment. Sustainable technologies are needed for wastewater treatment, reducing footprint by recycling, reusing, and recovering resources. Advanced oxidation process (AOP) is one of the sustainable emerging technologies for treating refractory organic contaminants present in different industrial wastewaters like textile, paper and pulp, pharmaceuticals, petrochemicals, and refineries. This critical review emerges details of advanced oxidation processes (AOPs), mentioning all possible permutations and combinations of components like ozone, UV, the catalyst used in the process. Non-conventional AOP systems, microwave, ultrasound, and plasma pulse assisted are the future of the oxidation process. This review aims to enlighten the role of AOPs for the mineralization of refractory organic contaminants (ROC) to readily biodegradable organics that cannot be either possible by conventional treatment. The integrated AOPs can improve the biodegradability of recalcitrant organic compounds and reduce the toxicity of wastewater, making them suitable for further biological treatment.
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Affiliation(s)
- Madhumita Manna
- Catalysis Research Laboratory, Department of Chemical Engineering, NIT Rourkela, Rourkela, Odisha, India
| | - Sujit Sen
- Catalysis Research Laboratory, Department of Chemical Engineering, NIT Rourkela, Rourkela, Odisha, India.
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Hossaini H, Pirsaheb M, Hossini H, Derakhshan AA, Asadi F. Improving the purification of aqueous solutions by controlling the production of reactive oxygen species in non-thermal plasma; a systematic review. Rev Environ Health 2022; 0:reveh-2022-0114. [PMID: 36351327 DOI: 10.1515/reveh-2022-0114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Treatment with non-thermal plasma is a reliable technology to oxidize chemical impurities that exist in polluted water, wastewater, and leachate, those degradation-resistant and cannot be removed by conventional treatment methods. In this study, the effective factors affecting in the formation ofreactive oxygen species in non-thermal plasma treatment process, as a new advanced oxidation process method explianed. In this manner, all associated manuscripts existed in the main databases including Google Scholar, Science Direct, PubMed, and Open Access Journal Directory from 1990 until 2022 were explored. The utilized keywords were involved non-thermal plasma, Cold plasma, Measurement, •OH, O3 and UV. Overall, 8,813 articles were gathered and based on the relevance titles and abstracts, 18 paper were selected for further reviewing. In several studies, plasma techniques have been used to treat water, wastewater and leachate, but few studies have evaluated the factors influencing the production of ROS species by non-thermal plasma. The non-thermal plasma destroys pollutants by reactive free radicals spices (hydroxyl, hydrogen atoms, etc.) a combination effect of strong electric fields, energetically charged particles, and ultrasound. Some factors such as water vapor, hydraulic retention time, inter-electrode spacing, discharge power density, and aeration of the effluent as well as use of catalyst have direct effect on the reactive oxygen species formation. If these factors controlled within the best ranges, it will promote the oxidizing radical production and system performance. Also, high-energy electrons and oxidizing species produced in the cold plasma system can well degrade most of pollution in water and wastewater.
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Affiliation(s)
- Hiwa Hossaini
- Research Center for Environmental Determinants of Health (RCEDH), Department of Environmental Engineering, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Meghdad Pirsaheb
- Research Center for Environmental Determinants of Health (RCEDH), Department of Environmental Engineering, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hooshyar Hossini
- Research Center for Environmental Determinants of Health (RCEDH), Department of Environmental Engineering, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Fateme Asadi
- Research Center for Environmental Determinants of Health (RCEDH), Department of Environmental Health Engineering, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Dong B, Wang P, Li Z, Tu W, Tan Y. Degrading hazardous benzohydroxamic acid in the industrial beneficiation wastewater by dielectric barrier discharge reactor. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Yepez X, Illera AE, Baykara H, Keener K. Recent Advances and Potential Applications of Atmospheric Pressure Cold Plasma Technology for Sustainable Food Processing. Foods 2022; 11:foods11131833. [PMID: 35804648 PMCID: PMC9265751 DOI: 10.3390/foods11131833] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/13/2022] [Accepted: 06/17/2022] [Indexed: 11/16/2022] Open
Abstract
In a circular economy, products, waste, and resources are kept in the system as long as possible. This review aims to highlight the importance of cold plasma technology as an alternative solution to some challenges in the food chain, such as the extensive energy demand and the hazardous chemicals used. Atmospheric cold plasma can provide a rich source of reactive gas species such as radicals, excited neutrals, ions, free electrons, and UV light that can be efficiently used for sterilization and decontamination, degrading toxins, and pesticides. Atmospheric cold plasma can also improve the utilization of materials in agriculture and food processing, as well as convert waste into resources. The use of atmospheric cold plasma technology is not without challenges. The wide range of reactive gas species leads to many questions about their safety, active life, and environmental impact. Additionally, the associated regulatory approval process requires significant data demonstrating its efficacy. Cold plasma generation requires a specific reliable system, process control monitoring, scalability, and worker safety protections.
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Affiliation(s)
- Ximena Yepez
- Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ingeniería Mecánica y Ciencias de la Producción, Campus Gustavo Galindo Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil 090902, Ecuador;
- Correspondence:
| | - Alba E. Illera
- Faculty of Science, University of Burgos, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain;
| | - Haci Baykara
- Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ingeniería Mecánica y Ciencias de la Producción, Campus Gustavo Galindo Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil 090902, Ecuador;
- Escuela Superior Politécnica del Litoral, ESPOL, Center of Nanotechnology Research and Development (CIDNA), Campus Gustavo Galindo, Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil 090902, Ecuador
| | - Kevin Keener
- College of Engineering and Physical Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada;
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Roulová N, Hrdá K, Kašpar M, Peroutková P, Josefová D, Palarčík J. Removal of Chloroacetanilide Herbicides from Water Using Heterogeneous Photocatalysis with TiO2/UV-A. Catalysts 2022; 12:597. [DOI: 10.3390/catal12060597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Chloroacetanilide herbicides are widely used in the agricultural sector throughout the world. Because of their poor biodegradability, high water solubility, and long persistence, chloroacetanilide herbicides have a high potential to contaminate water, and conventional water treatment processes do not ensure sufficient removal. Therefore, heterogeneous photocatalysis using TiO2/UV-A was investigated for the degradation of alachlor, acetochlor, and metolachlor from water. Two commercially available TiO2 (P25 and AV-01) were used as photocatalysts. Different experimental setups were also tested. In addition, the toxicity of single herbicides and mixtures of their photocatalytic degradation products to the freshwater alga Chlorella kessleri was investigated via a growth inhibition test. The maximum removal efficiency for alachlor, acetochlor, and metolachlor was 97.5%, 93.1%, and 98.2%, respectively. No significant differences in the removal efficiency of chloroacetanilide herbicides were observed for the photocatalysts used. Although the concentrations of all herbicides during photocatalysis decreased, the toxicity of the resulting mixtures of degradation products increased or remained the same, indicating the formation of toxic degradation products.
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8
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Topolovec B, Škoro N, Puаč N, Petrovic M. Pathways of organic micropollutants degradation in atmospheric pressure plasma processing - A review. Chemosphere 2022; 294:133606. [PMID: 35033511 DOI: 10.1016/j.chemosphere.2022.133606] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/28/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
Concern of toxic compounds and their, potentially more harmful degradation products, present in aquatic environment alarmed scientific community and research on the development of novel technologies for wastewater treatment had become of great interest. Up to this date, many papers pointed out the challenges and limitations of conventional wastewater treatment and of some advanced oxidation processes. Advanced technologies based on the use of non-equilibrium or non-thermal plasma had been recognized as a possible solution for, not only degradation, but for complete removal of recalcitrant organic micropollutants. While previous review papers have been focused on plasma physics and chemistry of different types of discharges for few organic micropollutants, this paper brings comprehensive review of current knowledge on the chemistry and degradation pathways by using different non-thermal plasma types for several micropollutants' classes, such as pharmaceuticals, perfluorinated compounds, pesticides, phenols and dyes and points out some major research gaps.
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Affiliation(s)
- Barbara Topolovec
- Catalan Institute for Water Research (ICRA), Emili Grahit 101, 17003, Girona, Spain; University of Girona, Girona, Spain
| | - Nikola Škoro
- Institute of Physics, University of Belgrade, Pregrevica 118, 11080, Belgrade, Serbia
| | - Nevena Puаč
- Institute of Physics, University of Belgrade, Pregrevica 118, 11080, Belgrade, Serbia
| | - Mira Petrovic
- Catalan Institute for Water Research (ICRA), Emili Grahit 101, 17003, Girona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluis Companys 23, 08010, Barcelona, Spain.
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9
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Palma D, Richard C, Minella M. State of the art and perspectives about non-thermal plasma applications for the removal of PFAS in water. Chemical Engineering Journal Advances 2022. [DOI: 10.1016/j.ceja.2022.100253] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Cheng Z, Qu M, Chen D, Chen J, Yu J, Zhang S, Ye J, Hu J, Wang J. Mechanisms of Active Substances in a Dielectric Barrier Discharge Reactor: Species Determination, Interaction Analysis, and Contribution to Chlorobenzene Removal. Environ Sci Technol 2021; 55:3956-3966. [PMID: 33629580 DOI: 10.1021/acs.est.0c04914] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Several typical active substances (•NO, •NO2, H2O2, O3, •OH, and O2-•), directly or indirectly play dominant roles during dielectric barrier discharge (DBD) reaction. This study measured these active substances and removed them by using radical scavengers, such as catalase, superoxide dismutase, carboxy-PTIO (c-PTIO), tert-butanol (TBA), and MnO2 in different reaction atmospheres (air, N2, and O2). The mechanism for chlorobenzene (CB) removal by plasma in air atmosphere was also investigated. The production of O═NOO-• generated by •NO took around 75% of the total production of O═NOO-•. Removing •NO increased the O3 amount by about 80% likely because of the mutual inhibition between O3 and reactive nitrogen species in or out of the discharge area. The quantitative comparison of •OH and H2O2 revealed that the formation of •OH was 3.06-4.65 times that of H2O2 in these reaction atmospheres. Calculation results showed that approximately 1.61% of H2O was used for O3 generation. Ionization patterns affected the form of solid deposits during the removal of CB in N2 and O2 atmospheres caused by Penning ionization and thermal radiation tendencies, respectively. Correlation analysis results suggested the macroscopic synergistic or inhibitory effects happened among these active substances. A zero-dimensional reaction kinetics model was adopted to analyze the reactions during the formation of active substances in DBD, and the results showed good consistency with experiments. The interactions of each active substance were clarified. Finally, a response surface method model was developed to predict CB removal by the DBD plasma process. Stepwise regression analysis results showed that CB removal was affected by the contents of different active substances in air, N2 atmosphere, and O2 atmosphere, respectively: O2-•, •OH, and O3; H2O2, O═NOO-•, and O3; •OH and O3.
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Affiliation(s)
- Zhuowei Cheng
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
| | - Miaomiao Qu
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
| | - Dongzhi Chen
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316004, China
| | - Jianmeng Chen
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316004, China
| | - Jianming Yu
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
| | - Shihan Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
| | - Jiexu Ye
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
| | - Jun Hu
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
| | - Jiade Wang
- College of Environment, Zhejiang University of Technology, Hangzhou 310009, China
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Khan MSI, Lee NR, Ahn J, Kim JY, Kim JH, Kwon KH, Kim YJ. Degradation of different pesticides in water by microplasma: the roles of individual radicals and degradation pathways. Environ Sci Pollut Res Int 2021; 28:8296-8309. [PMID: 33058076 DOI: 10.1007/s11356-020-11127-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 10/04/2020] [Indexed: 05/28/2023]
Abstract
Pesticides are emergent toxins often identified in aquatic environments. In the present study, microplasma was employed to reduce the pesticide content in water. The degradation efficacy, rate, and pathways of standard organophosphorus pesticides (namely, chlorpyrifos, chlorpyrifos oxone, and diazinone) and an organochlorine pesticide (namely, DDT solution) were evaluated using microplasma. High-performance liquid chromatography (HPLC) analysis was performed to elucidate the degradation efficiency of pesticides as a function of plasma-produced substances that originally contributed to the main reduction procedure. Microplasma produces several types of radicals or reactive substances, for instance dissolved ozone (O3), nitrogen oxides, hydroxyl radicals (OH radicals), and hydrogen peroxide (H2O2). The removal potential differs due to the existence or absence of varieties of plasma-produced substances. The functions of major plasma-produced species on pesticide removal were determined by a passive technique. Nitrogen oxides showed a key role in organophosphorus pesticide removal, whereas dissolved ozone and OH radicals played major roles in DDT degradation. HPLC data showed that plasma-induced pesticide removal showed first-order reaction kinetics. The pesticide removal pathways through microplasma were validated by investigating the achieved data from LC-MS and GC-MS.
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Affiliation(s)
- Muhammad Saiful Islam Khan
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Na Ri Lee
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Jaehwan Ahn
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Ji Young Kim
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Jong Hoon Kim
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Ki Hyun Kwon
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Yun-Ji Kim
- Food Safety and Hygiene Research Division, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea.
- Department of Food Biotechnology, University of Science and Technology, Daejeon, 305-350, Republic of Korea.
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13
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Liu Y, Wang D, Xue M, Song R, Zhang Y, Qu G, Wang T. High-efficient decomplexation of Cu-EDTA and Cu removal by high-frequency non-thermal plasma oxidation/alkaline precipitation. Sep Purif Technol 2021; 257:117885. [DOI: 10.1016/j.seppur.2020.117885] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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14
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Gavahian M, Sarangapani C, Misra NN. Cold plasma for mitigating agrochemical and pesticide residue in food and water: Similarities with ozone and ultraviolet technologies. Food Res Int 2021; 141:110138. [PMID: 33642005 DOI: 10.1016/j.foodres.2021.110138] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 11/27/2022]
Abstract
Pesticide and agrochemical residues in food and water are among hazardous chemicals that are associated with adverse health effects. Consequently, technologies for pesticide abatement in food and water remain in focus. Cold plasma is an emerging decontamination technology, that is being increasingly explored for the abatement of agrochemical and pesticide residue in food and water. In some cases, rapid and complete degradation of pesticide residues has come to light. Such promising results encourage exploring scale-up and commercialization. To achieve this, unraveling mechanisms involved in plasma decontamination and the nature of degradation products is needed. The present review identifies the mechanisms involved in plasma- assisted removal of pesticide residues from food and water, draws parallels with mechanism of ozone and ultraviolet technologies, investigates the chemistry of the intermediates and degradates, and identifies some future research needs. The review recognizes that mechanisms involved in plasma processes have overlapping similarities to those identified for ozone and ultraviolet light, involving oxidation by hydroxyl radical and photo-oxidation. The toxicity of intermediates and degradates in plasma processing have not received much attention. The safety aspects of end products form plasma led degradation of pesticides should be considered for practical exploitation. Identification of intermediates and degradation products, recognition of most potent plasma species, understanding the influence of co-existing entities, the energy efficiency of plasma reactors, and the process economics deserve research focus.
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Affiliation(s)
- Mohsen Gavahian
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan, ROC.
| | - Chaitanya Sarangapani
- School of Food Science and Environmental health, Technological University Dublin, Dublin, Ireland
| | - N N Misra
- Department of Engineering, Faculty of Agriculture, Dalhousie University, Nova Scotia, Canada
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15
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Sivo A, Galaverna RDS, Gomes GR, Pastre JC, Vilé G. From circular synthesis to material manufacturing: advances, challenges, and future steps for using flow chemistry in novel application area. REACT CHEM ENG 2021. [DOI: 10.1039/d0re00411a] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We review the emerging use of flow technologies for circular chemistry and material manufacturing, highlighting advances, challenges, and future directions.
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Affiliation(s)
- Alessandra Sivo
- Department of Chemistry
- Materials and Chemical Engineering “Giulio Natta”
- Politecnico di Milano
- IT-20131 Milano
- Italy
| | | | | | | | - Gianvito Vilé
- Department of Chemistry
- Materials and Chemical Engineering “Giulio Natta”
- Politecnico di Milano
- IT-20131 Milano
- Italy
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Śmiłowicz D, Kogelheide F, Schöne AL, Stapelmann K, Awakowicz P, Metzler-Nolte N. Catalytic oxidation of small organic molecules by cold plasma in solution in the presence of molecular iron complexes †. Sci Rep 2020; 10:21652. [PMID: 33303899 PMCID: PMC7728814 DOI: 10.1038/s41598-020-78683-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/23/2020] [Indexed: 11/24/2022] Open
Abstract
The plasma-mediated decomposition of volatile organic compounds has previously been investigated in the gas phase with metal oxides as heterogeneous catalysts. While the reactive species in plasma itself are well investigated, very little is known about the influence of metal catalysts in solution. Here, we present initial investigations on the time-dependent plasma-supported oxidation of benzyl alcohol, benzaldehyde and phenol in the presence of molecular iron complexes in solution. Products were identified by HPLC, ESI-MS, FT-IR, and [Formula: see text] spectroscopy. Compared to metal-free oxidation of the substrates, which is caused by reactive oxygen species and leads to a mixture of products, the metal-mediated reactions lead to one product cleanly, and faster than in the metal-free reactions. Most noteworthy, even catalytic amounts of metal complexes induce these clean transformations. The findings described here bear important implications for plasma-supported industrial waste transformations, as well as for plasma-mediated applications in biomedicine, given the fact that iron is the most abundant redox-active metal in the human body.
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Affiliation(s)
- Dariusz Śmiłowicz
- Inorganic Chemistry I - Bioinorganic Chemistry, Ruhr University Bochum, 44780, Bochum, Germany
| | - Friederike Kogelheide
- Institute for Electrical Engineering and Plasma Technology, Ruhr University Bochum, 44780, Bochum, Germany
| | - Anna Lena Schöne
- Institute for Electrical Engineering and Plasma Technology, Ruhr University Bochum, 44780, Bochum, Germany
| | - Katharina Stapelmann
- Department of Nuclear Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Peter Awakowicz
- Institute for Electrical Engineering and Plasma Technology, Ruhr University Bochum, 44780, Bochum, Germany
| | - Nils Metzler-Nolte
- Inorganic Chemistry I - Bioinorganic Chemistry, Ruhr University Bochum, 44780, Bochum, Germany.
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Qian C, Dai J, Tian Y, Duan Y, Li Y. Efficient degradation of Fipronil in water by microwave-induced argon plasma: Mechanism and degradation pathways. Sci Total Environ 2020; 725:138487. [PMID: 32302848 DOI: 10.1016/j.scitotenv.2020.138487] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/31/2020] [Accepted: 04/04/2020] [Indexed: 06/11/2023]
Abstract
Fipronil and its metabolites are potentially harmful to the ecological environment and have chronic neurotoxic effects, which makes it to be classified as class C carcinogens. Fipronil has been banned from agricultural use in China since 2009, but its residue remains in the environment. Therefore, an efficient and economical method is urgently needed to degrade fipronil residues in the environment. Herein, the degradation of fipronil in water solution using argon microwave-induced plasma (MIP) system was studied and a plausible reaction pathway was proposed in combination with Density Functional Theory (DFT) calculations. The degradation of fipronil by MIP system was optimized in terms of input power, plasma-sample distance, initial concentration and gas flow rate. After short time MIP treatment with an input power of 150 W, as high as 85.62% degradation efficiency was achieved for the fipronil at concentration of 20 mg·L--1 under the optimized conditions, and the corresponding energy efficiency was 1334.8 mg·kwh-1. Optical emission spectrometry (OES) was employed to characterize the distribution and intensity of OH, H and O species which play key roles in the degradation of fipronil by plasma, and it revealed that the degradation reaction mainly occurs at gas-liquid interface where the highest intensity of OH, H and O species was observed. High resolution mass spectrometric analysis in combination quantum chemical calculations indicate that a wide diversity of reaction processes occurred for fipronil degradation under MIP treatment, involving oxidation or reduction, nitro reduction, oxidative dichlorination, reductive dichlorination, hydration, dehydration and thiourea to urea. The possible degradation mechanism and pathways were proposed based on the degrading species identified by high resolution Mass Spectrometry (HRMS) and the thermodynamic profiles.
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Affiliation(s)
- Cheng Qian
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China; Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jianxiong Dai
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China; Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yonghui Tian
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China; Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China; Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China.
| | - Yinjun Li
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China; Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
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Abstract
The rapid advances in the field of cold plasma research led to the development of many plasma jets for various purposes. The COST plasma jet was created to set a comparison standard between different groups in Europe and the world. Its physical and chemical properties are well studied, and diagnostics procedures are developed and benchmarked using this jet. In recent years, it has been used for various research purposes. Here, we present a brief overview of the reported applications of the COST plasma jet. Additionally, we discuss the chemistry of the plasma-liquid systems with this plasma jet, and the properties that make it an indispensable system for plasma research.
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