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Lamichhane P, Acharya TR, Dhakal OB, Dahal R, Choi EH. Investigating the synergy of rapidly synthesized iron oxide predecessor and plasma-gaseous species for dye-removal to reuse water in irrigation. CHEMOSPHERE 2024; 364:143040. [PMID: 39127193 DOI: 10.1016/j.chemosphere.2024.143040] [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: 07/04/2024] [Revised: 08/03/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024]
Abstract
This study explores a novel and sustainable approach to reusing textile wastewater for irrigation. This is investigated by degrading Evans blue dye, a model azo dye, in wastewater by combining iron oxide predecessor (IOP) catalyst with gaseous species generated by multi-electrode cylindrical plasma device (MCPD). Analysis of IOP-plasma gaseous species revealed the generation of different types of reactive oxygen species in solution which were responsible for degradation of model dye. Key factors influencing the degradation process were studied by performing optimization experiments that resulted in rates of up to 0.008 L mg-1 min-1, more than twice as fast as using plasma gas treatment alone. These studies included mechanistic response of MCPD generated gaseous species with the IOP. In particular, reusability testing of IOP affirmed the robustness and performance efficiency up to three cycles. Finally, toxicity analysis revealed not only reduced negative effects on plant growth by the treated wastewater, but also it can used as minerals to plants. These findings highlight the feasibility of the IOP-MCPD system as a sustainable and eco-friendly solution to reduce scarcity of water in irrigation by treating textile effluent.
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Affiliation(s)
- Prajwal Lamichhane
- Plasma Bioscience Research Center, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea; Department of Electrical and Biological Physics, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea
| | - Tirtha Raj Acharya
- Plasma Bioscience Research Center, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea; Department of Electrical and Biological Physics, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea
| | - Oat Bahadur Dhakal
- Plasma Bioscience Research Center, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea; Department of Electrical and Biological Physics, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea
| | - Roshani Dahal
- Plasma Bioscience Research Center, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea; Department of Electrical and Biological Physics, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea
| | - Eun Ha Choi
- Plasma Bioscience Research Center, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea; Department of Electrical and Biological Physics, Kwangwoon University, Nowon-gu, Seoul, 01897, Republic of Korea.
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Khourshidi A, Ajam F, Rabieian M, Taghavijeloudar M. Efficient degradation of p-nitrophenol from water by enhancing dielectric barrier discharge (DBD) plasma through ozone circulation: Optimization, kinetics and mechanism. CHEMOSPHERE 2024; 362:142749. [PMID: 38969213 DOI: 10.1016/j.chemosphere.2024.142749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 06/16/2024] [Accepted: 06/30/2024] [Indexed: 07/07/2024]
Abstract
Non-thermal dielectric barrier discharge (DBD) plasma has received great attention for degradation of persistent organic pollutants such as p-nitrophenol (PNP). However, the feasibility of the DBD implementation is not clear due to its high energy consumption and relatively low degradation efficiency. In this research, a novel strategy was suggested based on re-circulation of the generated O3 in the DBD system to enhance the PNP degradation efficiency and energy yield. The potential mechanism and possible pathway of PNP degradation were studied by EPR, ESR, DFT and GS-MS analytical tests. According to the results, the PNP degradation efficiency and energy yield increased from 57.4% to 94.4% and from 0.52 to 1.18 g kW-1h-1, respectively through ozone circulation into the DBD reactor. This was due to the more release of long-lived and short-lived reactive species (ROS) in the DBD-O3 system by the O3 circulation. The variations in pH (4-10), initial concentration (50-90 mg L-1), and the presence of co-existing substances in the water matrix had minimal impact on the DBD-O3 system, in comparison to the conventional system. The biological toxicity evaluation revealed that the hybrid DBD-O3 system transform PNP to less toxic intermediates. This study proposes a promising strategy to improve the utilization of DBD for the degradation of PNP.
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Affiliation(s)
- Amirhossein Khourshidi
- Department of Environmental Engineering, Faculty of Civil Engineering, Babol Noshirvani University of Technology, 47148-7313, Babol, Iran
| | - Fatemeh Ajam
- Department of Environmental Engineering, Faculty of Civil Engineering, Babol Noshirvani University of Technology, 47148-7313, Babol, Iran
| | - Masoud Rabieian
- Department of Environmental Engineering, Faculty of Civil Engineering, Babol Noshirvani University of Technology, 47148-7313, Babol, Iran
| | - Mohsen Taghavijeloudar
- Department of Civil and Environmental Engineering, Seoul National University, 151-744, Seoul, South Korea.
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3
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Chen JP, Song C, Jin T, Xu J, Yang LM. Synergistic effect on simultaneous treatment of Cr(VI) and chloramphenicol using a non-thermal plasma technology. CHEMOSPHERE 2024; 359:142304. [PMID: 38734253 DOI: 10.1016/j.chemosphere.2024.142304] [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: 02/07/2024] [Revised: 05/05/2024] [Accepted: 05/09/2024] [Indexed: 05/13/2024]
Abstract
Toxic organic and heavy metal contaminants commonly exist in industrial waste stream(s) and treatment is of great challenge. In this study, a dielectric barrier discharge (DBD) non-thermal plasma technology was employed for the simultaneous treatment of two important contaminants, chloramphenicol (CAP) and Cr(VI) in an aqueous solution through redox transformations. More than 70% of CAP and 20% of TOC were degraded in 60 min, while Cr(VI) was completely removed in 10 min. The hydroxyl radicals were the main active species for the degradation. Meanwhile, the consumption of hydroxyl radicals was beneficial to the reduction of Cr(VI). The synergistic effect was investigated between CAP degradation and Cr(VI) reduction. The reduction of Cr(VI) would be enhanced in the presence of CAP with a low concentration and could be inhibited under a high concentration, because part of hydroxyl radicals could be consumed by the low-concentration CAP and the obtained intermediates with a higher kinetic rate. However, CAP with a high concentration could react with such reductive species as eaq- and •H, which could compete with Cr(VI) and inhibit the reduction. In addition, the presence of Cr(VI) enhanced the degradation and mineralization of CAP; the study of obtained intermediates indicated that the presence of Cr(VI) changed the degradation path of CAP as Cr(VI) would react with reductive species, enhance the generation of hydroxyl radicals, and cause more hydroxylation reactions. Moreover, the mechanism for the simultaneous redox transformations of CAP and Cr(VI) was illustrated. This study indicates that the DBD non-thermal plasma technology can be one of better solutions for simultaneous elimination of heavy metal and organic contaminants in aquatic environments.
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Affiliation(s)
- J Paul Chen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518055, China; Department of Civil and Environmental Engineering, National University of Singapore, 10 Kent Ridge, Singapore.
| | - Chao Song
- Department of Civil and Environmental Engineering, National University of Singapore, 10 Kent Ridge, Singapore
| | - Tenghui Jin
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518055, China
| | - Jiajie Xu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518055, China
| | - Li-Ming Yang
- Department of Chemical and Biochemical Engineering, National University of Singapore, 10 Kent Ridge, Singapore
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Tsokanas D, Aggelopoulos CA. Exploring the Synergistic Mechanisms of Nanopulsed Plasma Bubbles and Photocatalysts for Trimethoprim Degradation and Mineralization in Water. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:815. [PMID: 38786772 PMCID: PMC11123754 DOI: 10.3390/nano14100815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
In this study, the synergetic action of nanopulsed plasma bubbles (PBs) and photocatalysts for the degradation/mineralization of trimethoprim (TMP) in water was investigated. The effects of ZnO or TiO2 loading, plasma gas, and initial TMP concentration were evaluated. The physicochemical characterization of plasma-treated water, the quantification of plasma species, and the use of appropriate plasma species scavengers shed light on the plasma-catalytic mechanism. ZnO proved to be a superior catalyst compared to TiO2 when combined with plasma bubbles, mainly due to the increased production of ⋅OH and oxygen species resulting from the decomposition of O3. The air-PBs + ZnO system resulted in higher TMP degradation (i.e., 95% after 5 min of treatment) compared to the air-PBs + TiO2 system (i.e., 87%) and the PBs-alone process (83%). The plasma gas strongly influenced the process, with O2 resulting in the best performance and Ar being insufficient to drive the process. The synergy between air-PBs and ZnO was more profound (SF = 1.7), while ZnO also promoted the already high O2-plasma bubbles' performance, resulting in a high TOC removal rate (i.e., 71%). The electrical energy per order in the PBs + ZnO system was very low, ranging from 0.23 to 0.46 kWh/m3, depending on the plasma gas and initial TMP concentration. The study provides valuable insights into the rapid and cost-effective degradation of emerging contaminants like TMP and the plasma-catalytic mechanism of antibiotics.
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Affiliation(s)
- Dimitris Tsokanas
- Laboratory of Cold Plasma and Advanced Techniques for Improving Environmental Systems, Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas (FORTH/ICE-HT), 26504 Patras, Greece
- Chemistry Department, University of Patras, 26504 Patras, Greece
| | - Christos A. Aggelopoulos
- Laboratory of Cold Plasma and Advanced Techniques for Improving Environmental Systems, Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas (FORTH/ICE-HT), 26504 Patras, Greece
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Miruka AC, Gao X, Cai L, Zhang Y, Luo P, Otieno G, Zhang H, Song Z, Liu Y. Effects of solution chemistry on dielectric barrier atmospheric non-thermal plasma for operative degradation of antiretroviral drug nevirapine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:171369. [PMID: 38432368 DOI: 10.1016/j.scitotenv.2024.171369] [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: 12/19/2023] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
The global prevalence of human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) has been an environmental menace. Tons of drug wastes from antiretroviral therapy are released into the environment annually. We, for the first time, employed the novel dielectric barrier atmospheric non-thermal plasma (DBANP) discharge, to mitigate the inadvertent pollution arising from the antiretroviral therapy. A 40-min treatment of nevirapine achieved >94 % (0.075 min-1) removal efficiency at discharge power of 63.5 W and plasma working gas of atmospheric air. Chemical probes confirmed •OH, ONOO- and eaq- as the dominant reactive species whilst further revealing the reaction acceleration role of NaNO3 and CCl4 which are known reaction terminators. The commonly coexisting inorganic anions potentiated nevirapine removal with over 98 % efficiency, achieving the highest rate constant of 0.148 min-1 in this study. Moreover, the initial solution pH (1.5-11.1) was no limiting factor either. The insensitivity of the DBANP discharge to actual water matrices was an eminent inference of its potential applicability in practical conditions. With reference to data obtained from the liquid chromatography-mass spectrometer analysis, nevirapine degradation pathway was proposed. A nucleophilic attack by ONOO- at the cyclopropyl group and •OH attack at the carbonyl carbon of the amide group, respectively, initiated nevirapine degradation process. It is anticipated that the findings herein, will provide new insights into antiretroviral drug waste management in environmental waters using the innovative and green non-thermal plasma process.
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Affiliation(s)
- Andere Clement Miruka
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China; School of Chemistry and Material Science, Technical University of Kenya, Nairobi 52428-00200, Kenya
| | - Xiaoting Gao
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Li Cai
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Yinyin Zhang
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Pengcheng Luo
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Geoffrey Otieno
- School of Chemistry and Material Science, Technical University of Kenya, Nairobi 52428-00200, Kenya
| | - Han Zhang
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Zhiqi Song
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Yanan Liu
- College of Environmental Science & Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Liu Q, Zhu J, Ouyang W, Ding C, Wu Z, Ostrikov KK. Cold plasma turns mixed-dye-contaminated wastewater bio-safe. ENVIRONMENTAL RESEARCH 2024; 246:118125. [PMID: 38199474 DOI: 10.1016/j.envres.2024.118125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/14/2023] [Accepted: 12/03/2023] [Indexed: 01/12/2024]
Abstract
The excessive and uncontrollable discharge of diverse organic pollutants into the environment has emerged as a significant concern, presenting a substantial risk to human health. Among the advanced oxidation processes used for the purification of wastewater, cold plasma technology is superior in fast and effective decontamination but often fails facing mixed pollutants. To address these issues, here we develop the new conceptual approach, plasma process, and proprietary reactor that ensure, for the first time, that the efficiency of treatment (114.7%) of two mixed organic dyes, methylene blue (MB) and methyl orange (MO), is higher than when the two dyes are treated separately. We further reveal the underlying mechanisms for the energy-efficient complete degradation of the mixed dyes. The contribution of plasma-induced ROS and the distinct degradation characteristics and mechanism of pollutants in mixed treatment are discussed. The electron transfer pathway revealed for the first time suggest that the mixed pollutants reduce the overall redox potentials and facilitate electron transfer during the plasma treatment, promoting synergistic degradation effects. The integrated frameworks including both direct and indirect mechanisms provide new insights into the high-efficiency mixed-contaminant treatment. The degradation products for mixed degradation are revealed based on the identification of intermediate species. The plasma-treated water is proven safe for living creatures in waterways and sustainable fishery applications, using in vivo zebrafish model bio-toxicity assay. Overall, these findings offer a feasible approach and new insights into the mechanisms for the development of highly-effective, energy-efficient technologies for wastewater treatment and reuse in agriculture, industry, and potentially in urban water networks.
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Affiliation(s)
- Qi Liu
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, People's Republic of China
| | - Jiwen Zhu
- Institute of Advanced Technology, University of Science and Technology of China, Hefei, People's Republic of China
| | - Wenchong Ouyang
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, People's Republic of China
| | - Chengbiao Ding
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, People's Republic of China
| | - Zhengwei Wu
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, People's Republic of China; Institute of Advanced Technology, University of Science and Technology of China, Hefei, People's Republic of China.
| | - Kostya Ken Ostrikov
- School of Chemistry and Physics, Queensland University of Technology (QUT), Brisbane, Queensland 4000, Australia; Centre for Materials Science, Centre for Clean Energy Technologies and Practices, and Centre for Waste Free World, Queensland University of Technology (QUT), Brisbane, Queensland 4000, Australia
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7
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Rodríguez-Méndez BG, López-Callejas R, Mercado-Cabrera A, Peña-Eguiluz R, Valencia-Alvarado R, Betancourt-Ángeles M, Berrones-Stringel G, Jaramillo-Martínez C. Harnessing Non-Thermal Plasma to Supercharge Recovery in Abdominal Surgeries: A Pilot Study. J Clin Med 2024; 13:408. [PMID: 38256546 PMCID: PMC10816705 DOI: 10.3390/jcm13020408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/04/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
(1) Background: This study aims to evaluate the efficacy and safety of non-thermal plasma (NTP) therapy in accelerating wound healing in patients who have undergone laparoscopic and open surgeries. (2) Methods: NTP was applied using a needle-type reactor with an irradiance of 0.5 W/cm2 on the surgical wounds of fifty patients after obtaining informed consent. Three NTP treatments, each lasting three minutes, were administered hourly. (3) Results: The pilot study showed that NTP-treated surgical wounds healed completely without any signs of infection, dehiscence, pain, or itching. Notably, patients reported minimal pain after the NTP treatment. Visual assessments conducted twenty-four hours after surgery revealed no redness or fluid discharge. Comparisons with traditionally sutured wounds indicated that NTP-treated wounds healed at a rate equivalent to seven days. (4) Conclusions: The application of NTP in laparoscopic and open wounds proved safe and effective, expediting the wound healing process and eliminating clinical risks post-surgery. Significantly, NTP facilitated a healing rate within twenty-four hours, equivalent to seven days for suture-treated wounds, significantly reducing the hospitalization time to a single day. These findings highlight the potential of NTP to be a transformative approach for promoting postoperative recovery.
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Affiliation(s)
- Benjamín G. Rodríguez-Méndez
- Plasma Physics Laboratory, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, La Marquesa, Ocoyoacac 52750, Mexico; (B.G.R.-M.); (R.L.-C.); (R.P.-E.); (R.V.-A.)
| | - Régulo López-Callejas
- Plasma Physics Laboratory, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, La Marquesa, Ocoyoacac 52750, Mexico; (B.G.R.-M.); (R.L.-C.); (R.P.-E.); (R.V.-A.)
| | - Antonio Mercado-Cabrera
- Plasma Physics Laboratory, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, La Marquesa, Ocoyoacac 52750, Mexico; (B.G.R.-M.); (R.L.-C.); (R.P.-E.); (R.V.-A.)
| | - Rosendo Peña-Eguiluz
- Plasma Physics Laboratory, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, La Marquesa, Ocoyoacac 52750, Mexico; (B.G.R.-M.); (R.L.-C.); (R.P.-E.); (R.V.-A.)
| | - Raúl Valencia-Alvarado
- Plasma Physics Laboratory, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, La Marquesa, Ocoyoacac 52750, Mexico; (B.G.R.-M.); (R.L.-C.); (R.P.-E.); (R.V.-A.)
| | - Mario Betancourt-Ángeles
- Medical Center ISSEMyM Toluca, Av. Baja velocidad 284 km. 57.5, San Jerónimo Chicahualco, Metepec 52170, Mexico
| | - Guillermo Berrones-Stringel
- Medical Center ISSEMyM Toluca, Av. Baja velocidad 284 km. 57.5, San Jerónimo Chicahualco, Metepec 52170, Mexico
| | - César Jaramillo-Martínez
- Medical Center ISSEMyM Toluca, Av. Baja velocidad 284 km. 57.5, San Jerónimo Chicahualco, Metepec 52170, Mexico
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Eddy NO, Garg R, Garg R, Ukpe RA, Abugu H. Adsorption and photodegradation of organic contaminants by silver nanoparticles: isotherms, kinetics, and computational analysis. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 196:65. [PMID: 38112987 DOI: 10.1007/s10661-023-12194-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 11/30/2023] [Indexed: 12/21/2023]
Abstract
In view of the widespread and distribution of several classes and types of organic contaminants, increased efforts are needed to reduce their spread and subsequent environmental contamination. Although several remediation approaches are available, adsorption and photodegradation technologies are presented in this review as one of the best options because of their environmental friendliness, cost-effectiveness, accessibility, less selectivity, and wider scope of applications among others. The bandgap, particle size, surface area, electrical properties, thermal stability, reusability, chemical stability, and other properties of silver nanoparticles (AgNPS) are highlighted to account for their suitability in adsorption and photocatalytic applications, concerning organic contaminants. Literatures have been reviewed on the application of various AgNPS as adsorbent and photocatalyst in the remediation of several classes of organic contaminants. Theories of adsorption have also been outlined while photocatalysis is seen to have adsorption as the initial mechanism. Challenges facing the application of silver nanoparticles have also been highlighted and possible solutions have been presented. However, current information is dominated by applications on dyes and the view of the authors supports the need to strengthen the usefulness of AgNPS in adsorption and photodegradation of more classes of organic contaminants, especially emerging contaminants. We also encourage the simultaneous applications of adsorption and photodegradation to completely convert toxic wastes to harmless forms.
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Affiliation(s)
- Nnabuk Okon Eddy
- Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka, Enugu State, Nigeria.
| | - Rajni Garg
- Department of Applied Science and Humanities, Galgotias College of Engineering & Technology, Greater Noida, Uttar Pradesh, 201310, India
| | - Rishav Garg
- Department of Civil Engineering, Galgotias College of Engineering & Technology, Greater Noida, Uttar Pradesh, 201310, India
| | | | - Hillary Abugu
- Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka, Enugu State, Nigeria
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9
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Nawaz MI, Yi C, Zafar AM, Yi R, Abbas B, Sulemana H, Wu C. Efficient degradation and mineralization of aniline in aqueous solution by new dielectric barrier discharge non-thermal plasma. ENVIRONMENTAL RESEARCH 2023; 237:117015. [PMID: 37648191 DOI: 10.1016/j.envres.2023.117015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/21/2023] [Accepted: 08/27/2023] [Indexed: 09/01/2023]
Abstract
Aniline is a priority pollutant that is unfavorable to the environment and human health due to its carcinogenic and mutagenic nature. The performance of the dielectric barrier discharge reactor was examined based on the aniline degradation efficiency. Different parameters were studied and optimized to treat various wastewater conditions. Role of active species for aniline degradation was investigated by the addition of inhibitors and promoters. The optimum conditions were 20 mg/L initial concentration, 1.8 kV applied voltage, 4 L/min gas flow rate and a pH of 8.82. It was observed that 87% of aniline was degraded in 60 min of dielectric barrier discharge treatment at optimum conditions. UV-Vis spectra showed gradual increase in the treatment efficiency of aniline with the propagation of treatment time. Mineralization of AN was confirmed by TOC measurement and a decrease in pH during the process. To elicit the aniline degradation route, HPLC and LC-MS techniques were used to detect the intermediates and byproducts. It was identified that aniline degraded into different organic byproducts and was dissociated into carbon dioxide and water. Comparison of the current system with existing advanced oxidation processes showed that DBD has a remarkable potential for the elimination of organic pollutants.
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Affiliation(s)
- Muhammad Imran Nawaz
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Chengwu Yi
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Abdul Mannan Zafar
- Civil and Environmental Engineering Department, United Arab Emirates University, AlAin, 15551, United Arab Emirates; Biotechnology Research Center, Technology Innovation Institute, Masdar, 9639, Abu Dhabi, United Arab Emirates.
| | - Rongjie Yi
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Babar Abbas
- Department of Environmental Engineering, University of Engineering and Technology, Taxila, 47080, Pakistan.
| | - Husseini Sulemana
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Chundu Wu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
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10
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Yao X, Fang Y, Cui X, Cheng X, Cheng Z. Dielectric Barrier Discharge Plasma Coupled with Cobalt Oxyhydroxide for Methylene Blue Degradation. TOXICS 2023; 11:763. [PMID: 37755773 PMCID: PMC10534894 DOI: 10.3390/toxics11090763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/03/2023] [Accepted: 09/06/2023] [Indexed: 09/28/2023]
Abstract
In this study, the coupled use of a double dielectric barrier discharge (DDBD) and CoOOH catalyst was investigated for the degradation of methylene blue (MB). The results indicated that the addition of CoOOH significantly promoted MB degradation performance compared to the DDBD system alone. In addition, both the removal rate and energy efficiency increased with an increase in CoOOH dosage and discharge voltage. After 30 min of discharge treatment in the coupled system (with CoOOH of 150 mg), the removal rate reached 97.10% when the discharge voltage was 12 kV, which was 1.92 times that in the single DDBD system. And when the discharge time was 10 min, the energy efficiency could reach 0.10 g (k·Wh)-1, which was 3.19 times better than the one in the single DDBD system. Furthermore, the addition of CoOOH could also significantly enhance the TOC and COD removal rates of MB. In the DDBD-coupled-with-CoOOH system, TOC and COD were 1.97 times and 1.99 times those of the single DDBD system after 20 min of discharge treatment with a discharge voltage of 12 kV and 100 mg of CoOOH. The main active substances detected in the coupled system indicated the conversion of the active species H2O2 and O3 into a more oxidizing ·OH was enhanced through the addition of a CoOOH catalyst, resulting in the more effective decomposition of MB and intermediate molecules.
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Affiliation(s)
- Xiaomei Yao
- School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Yingbo Fang
- School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaochen Cui
- School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xian Cheng
- School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou 450001, China
- Henan Engineering Research Center of Power Transmission & Distribution Equipment and Electrical Insulation, Zhengzhou University, Zhengzhou 450001, China
| | - Zixia Cheng
- School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou 450001, China
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11
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Moszczyńska J, Roszek K, Wiśniewski M. Non-Thermal Plasma Application in Medicine-Focus on Reactive Species Involvement. Int J Mol Sci 2023; 24:12667. [PMID: 37628848 PMCID: PMC10454508 DOI: 10.3390/ijms241612667] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Non-thermal plasma (NTP) application in medicine is a dynamically developing interdisciplinary field. Despite the fact that basics of the plasma phenomenon have been known since the 19th century, growing scientific attention has been paid in recent years to the use of plasma in medicine. Three most important plasma-based effects are pivotal for medical applications: (i) inactivation of a broad spectrum of microorganisms, (ii) stimulation of cell proliferation and angiogenesis with lower plasma treatment intensity, and (iii) inactivation of cells by initialization of cell death with higher plasma intensity. In this review, we explain the underlying chemical processes and reactive species involvement during NTP in human (or animal) tissues, as well as in bacteria inactivation, which leads to sterilization and indirectly supports wound healing. In addition, plasma-mediated modifications of medical surfaces, such as surgical instruments or implants, are described. This review focuses on the existing knowledge on NTP-based in vitro and in vivo studies and highlights potential opportunities for the development of novel therapeutic methods. A full understanding of the NTP mechanisms of action is urgently needed for the further development of modern plasma-based medicine.
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Affiliation(s)
- Julia Moszczyńska
- Department of Materials Chemistry, Adsorption and Catalysis, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
| | - Katarzyna Roszek
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland;
| | - Marek Wiśniewski
- Department of Materials Chemistry, Adsorption and Catalysis, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
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Kyere-Yeboah K, Qiao XC. Non-thermal plasma activated peroxide and percarbonate for tetracycline and oxytetracycline degradation: Synergistic performance, degradation pathways, and toxicity evaluation. CHEMOSPHERE 2023; 336:139246. [PMID: 37330069 DOI: 10.1016/j.chemosphere.2023.139246] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/30/2023] [Accepted: 06/15/2023] [Indexed: 06/19/2023]
Abstract
Tetracycline (TC) and Oxytetracycline (OTC) are common antibiotics increasingly detected in the environment, posing a potential risk to human and aquatic lives. Although conventional methods such as adsorption and photocatalysis are used for the degradation of TC and OTC, they are inefficient in removal efficiency, energy yield, and toxic byproduct generation. Herein, a falling-film dielectric barrier discharge (DBD) reactor coupled with environmentally friendly oxidants (hydrogen peroxide (HPO), sodium percarbonate (SPC), and HPO + SPC) was applied, and the treatment efficiency of TC and OTC was investigated. Experimental results showed that moderate addition of the HPO and SPC exhibited a synergistic effect (SF > 2), significantly improving the antibiotic removal ratio, total organic removal ratio (TOC), and energy yield by more than 50%, 52%, and 180%, respectively. After 10 min of DBD treatment, the introduction of 0.2 mM SPC led to a 100% antibiotic removal ratio and a TOC removal of 53.4% and 61.2% for 200 mg/L TC and 200 mg/L OTC, respectively. Also, 1 mM HPO dosage led to 100% antibiotic removal ratios after 10 min of DBD treatment and a TOC removal of 62.4% and 71.9% for 200 mg/L TC and 200 mg/L OTC, respectively. However, the DBD + HPO + SPC treatment method had a detrimental effect on the performance of the DBD reactor. After 10 min of DBD plasma discharge, the removal ratios for TC and OTC were 80.8% and 84.1%, respectively, when 0.5 mM HPO +0.5 mM SPC was added. Moreover, principal component and hierarchical cluster analysis confirmed the differences between the treatment methods. Furthermore, the concentration of oxidant-induced in-situ generated ozone and hydrogen peroxide were quantitatively determined, and their indispensable roles during the degradation process were established via radical scavenger tests. Finally, the synergetic antibiotic degradation mechanisms and pathways were proposed, and the toxicities of the intermediate byproducts were evaluated.
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Affiliation(s)
- Kwasi Kyere-Yeboah
- School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Xiu-Chen Qiao
- School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
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Boateng ID, Kumar R, Daubert CR, Flint-Garcia S, Mustapha A, Kuehnel L, Agliata J, Li Q, Wan C, Somavat P. Sonoprocessing improves phenolics profile, antioxidant capacity, structure, and product qualities of purple corn pericarp extract. ULTRASONICS SONOCHEMISTRY 2023; 95:106418. [PMID: 37094478 PMCID: PMC10149314 DOI: 10.1016/j.ultsonch.2023.106418] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
For the first time, purple corn pericarp (PCP) was converted to polyphenol-rich extract using two-pot ultrasound extraction technique. According to Plackett-Burman design (PBD), the significant extraction factors were ethanol concentration, extraction time, temperature, and ultrasonic amplitude that affected total anthocyanins (TAC), total phenolic content (TPC), and condensed tannins (CT). These parameters were further optimized using the Box-Behnken design (BBD) method for response surface methodology (RSM). The RSM showed a linear curvature for TAC and a quadratic curvature for TPC and CT with a lack of fit > 0.05. Under the optimum conditions (ethanol (50%, v/v), time (21 min), temperature (28 °C), and ultrasonic amplitude (50%)), a maximum TAC, TPC, and CT of 34.99 g cyanidin/kg, 121.26 g GAE/kg, and 260.59 of EE/kg, respectively were obtained with a desirability value 0.952. Comparing UAE to microwave extraction (MAE), it was found that although UAE had a lower extraction yield, TAC, TPC, and CT, the UAE gave a higher individual anthocyanin, flavonoid, phenolic acid profile, and antioxidant activity. The UAE took 21 min, whereas MAE took 30 min for maximum extraction. Regarding product qualities, UAE extract was superior, with a lower total color change (ΔE) and a higher chromaticity. Structural characterization using SEM showed that MAE extract had severe creases and ruptures, whereas UAE extract had less noticeable alterations and was attested by an optical profilometer. This shows that ultrasound, might be used to extract phenolics from PCP as it requires lesser time and improves phenolics, structure, and product qualities.
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Affiliation(s)
- Isaac Duah Boateng
- Food Science Program, Division of Food, Nutrition and Exercise Sciences, University of Missouri, Columbia, MO 65211, United States of America.
| | - Ravinder Kumar
- Food Science Program, Division of Food, Nutrition and Exercise Sciences, University of Missouri, Columbia, MO 65211, United States of America.
| | - Christopher R Daubert
- College of Agriculture, Food, and Natural Resources, University of Missouri, Columbia, MO 65211, United States of America.
| | - Sherry Flint-Garcia
- US Department of Agriculture, Plant Genetics Research Unit, Columbia, MO 65211, United States of America.
| | - Azlin Mustapha
- Food Science Program, Division of Food, Nutrition and Exercise Sciences, University of Missouri, Columbia, MO 65211, United States of America.
| | - Lucas Kuehnel
- Department of Chemical and Biomedical Engineering, University of Missouri, Columbia, MO 65211, United States of America.
| | - Joseph Agliata
- Food Science Program, Division of Food, Nutrition and Exercise Sciences, University of Missouri, Columbia, MO 65211, United States of America.
| | - Qianwei Li
- Department of Chemical and Biomedical Engineering, University of Missouri, Columbia, MO 65211, United States of America.
| | - Caixia Wan
- Department of Chemical and Biomedical Engineering, University of Missouri, Columbia, MO 65211, United States of America.
| | - Pavel Somavat
- Food Science Program, Division of Food, Nutrition and Exercise Sciences, University of Missouri, Columbia, MO 65211, United States of America; Department of Chemical and Biomedical Engineering, University of Missouri, Columbia, MO 65211, United States of America.
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Ruomeng B, Meihao O, Siru Z, Shichen G, Yixian Z, Junhong C, Ruijie M, Yuan L, Gezhi X, Xingyu C, Shiyi Z, Aihui Z, Fang B. Degradation strategies of pesticide residue: From chemicals to synthetic biology. Synth Syst Biotechnol 2023; 8:302-313. [PMID: 37122957 PMCID: PMC10130697 DOI: 10.1016/j.synbio.2023.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 04/04/2023] Open
Abstract
The past 50 years have witnessed a massive expansion in the demand and application of pesticides. However, pesticides are difficult to be completely degraded without intervention hence the pesticide residue could pose a persistent threat to non-target organisms in many aspects. To aim at the problem of the abuse of pesticide products and excessive pesticide residues in the environment, chemical and biological degradation methods are widely developed but are scaled and insufficient to solve such a pollution. In recent years, bio-degradative tools instructed by synthetic biological principles have been further studied and have paved a way for pesticide degradation. Combining the customized design strategy and standardized assembly mode, the engineering bacteria for multi-dimensional degradation has become an effective tool for pesticide residue degradation. This review introduces the mechanisms and hazards of different pesticides, summarizes the methods applied in the degradation of pesticide residues, and discusses the advantages, applications, and prospects of synthetic biology in degrading pesticide residues.
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