环境科学与生态学最新文献

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Beyond the field: How pesticide drift endangers biodiversity
IF 8.9 2区 环境科学与生态学
Environmental Pollution Pub Date : 2024-12-11 DOI: 10.1016/j.envpol.2024.125526
Saeed S. Albaseer, Veerle L.B. Jaspers, Luisa Orsini, Penny Vlahos, Hussein E. Al-Hazmi, Henner Hollert
{"title":"Beyond the field: How pesticide drift endangers biodiversity","authors":"Saeed S. Albaseer, Veerle L.B. Jaspers, Luisa Orsini, Penny Vlahos, Hussein E. Al-Hazmi, Henner Hollert","doi":"10.1016/j.envpol.2024.125526","DOIUrl":"https://doi.org/10.1016/j.envpol.2024.125526","url":null,"abstract":"Airborne pesticide drift poses a substantial environmental threat in agriculture, affecting ecosystems far from the application sites. This process, in which up to 25% of applied pesticides are carried by air currents, can transport chemicals over hundreds or even thousands of kilometers. Drift rates peak during the summer months, reaching as high as 60%, and are influenced by various factors, including wind speed, temperature, humidity, and soil type. Pesticide volatilization is a significant concern, occurring 25 times more frequently than surface runoff. Under certain conditions, it can result in chemical losses of compounds like metolachlor and atrazine that are up to 150 times higher. These drifting pesticides have profound impacts on biodiversity, harming non-target plants, insects, fungi, and other organisms both near application sites and in distant ecosystems. Pesticide drift has been linked to over 50% reductions in wild plant diversity within 500 meters of fields, reducing floral resources for pollinators. Despite growing evidence of these effects, the long-term consequences of airborne pesticides on biodiversity remain poorly understood, especially in complex field conditions with multiple pesticide applications. Addressing this requires urgent measures, such as improved meteorological tracking during applications, adoption of biopesticides, and integrated pest management strategies. This review highlights the pressing need for research to quantify airborne pesticides' ecological impacts, advocating for sustainable practices to mitigate environmental damage.","PeriodicalId":311,"journal":{"name":"Environmental Pollution","volume":"16 1","pages":""},"PeriodicalIF":8.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142804577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of microplastics in the soils of a petrochemical industrial region in China: Ecological and Human Health Risks.
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2024-12-11 DOI: 10.1007/s10653-024-02324-5
Yuting Guo, Rongshan Wu, Heng Zhang, Changsheng Guo, Linlin Wu, Jian Xu
{"title":"Distribution of microplastics in the soils of a petrochemical industrial region in China: Ecological and Human Health Risks.","authors":"Yuting Guo, Rongshan Wu, Heng Zhang, Changsheng Guo, Linlin Wu, Jian Xu","doi":"10.1007/s10653-024-02324-5","DOIUrl":"https://doi.org/10.1007/s10653-024-02324-5","url":null,"abstract":"<p><p>Although microplastic pollution is a global concern, information on the distribution of microplastics in petroleum and petrochemical urban soils is limited. In this study, we investigated the occurrence, ecological risk, and human exposure risk of microplastics in different land-use types of soil in Daqing Administrative region, a prominent petroleum and petrochemical industrial base in China. Stereoscopic microscopy and Fourier transform infrared spectroscopy (μ-FTIR) were used to study the chemical composition and distribution characteristics of microplastics. We found that the abundance of microplastics in Daqing soil ranged from 714 to 11,122 items/kg, with the highest value in educational land and the lowest in parks and green land. The dominant particle size of microplastics was < 1 mm (65.7%), and the shape was mainly fiber (55.1%), with white (28.9%) and black (25.6%) as the predominant colors. The most common polymer types were rayon, polypropylene, and polyethylene. Using the potential ecological risk index (RI) and polymeric risk index (H), we found that all land-use types, except woodland (Level I), were classified into Level V of ecological risk, with the highest risk in industrial land (RI = 14,959.85, H = 588.31). The daily exposure of infants to microplastics was much higher than that of adults. These findings provide valuable data for the pollution and potential risk assessment of microplastics in urban and rural environments, suggesting the importance of taking action to minimize its harmful effects on ecological and human health. In order to control the pollution caused by microplastics, we suggest that people should reduce the unnecessary use of single-use plastic items, such as water bottles, plastic shopping bags, straws, etc. In addition, the government needs to strengthen rubbish collection to prevent plastic waste from leaking into the environment during the period from the rubbish bins to the landfills, and to build recycling systems to increase the recycling rate.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 1","pages":"13"},"PeriodicalIF":3.2,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142806701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of EPA air toxics monitoring data and tools for use in general population exposure assessments: Using acrylonitrile as a case study.
IF 2.1 4区 环境科学与生态学
Journal of the Air & Waste Management Association Pub Date : 2024-12-11 DOI: 10.1080/10962247.2024.2438793
Amanda Kramer, Stephanie Vivanco, Jennifer Bare, Julie Panko
{"title":"Analysis of EPA air toxics monitoring data and tools for use in general population exposure assessments: Using acrylonitrile as a case study.","authors":"Amanda Kramer, Stephanie Vivanco, Jennifer Bare, Julie Panko","doi":"10.1080/10962247.2024.2438793","DOIUrl":"https://doi.org/10.1080/10962247.2024.2438793","url":null,"abstract":"<p><strong>Implication statement: </strong>Acrylonitrile was recently proposed to be designated as a high-priority substance for risk evaluation by the U.S. Environmental Protection Agency (EPA) under the Toxic Substances Control Act (TSCA). Past research has characterized the health effects of acrylonitrile and the worker population's exposure to it. However, there has been limited assessment of the general population's exposure to acrylonitrile. The objective of this study was to characterize general population exposure to acrylonitrile via the ambient air and to assess the suitability of EPA monitoring and modeled data for use in regulatory risk assessment. Overall, key findings from this study suggest that general population exposure to acrylonitrile from the ambient air is low and EPA's Air Quality System (AQS) data is well suited for general population exposure evaluations. These results benefit the general public in understanding their potential exposure to acrylonitrile, the EPA in informing their TSCA risk evaluation for acrylonitrile, and other researchers aiming to utilize AQS for general population exposure assessments.</p>","PeriodicalId":49171,"journal":{"name":"Journal of the Air & Waste Management Association","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142808229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Root exudates regulate soil antibiotic resistance genes via rhizosphere microbes under long-term fertilization
IF 11.8 1区 环境科学与生态学
Environment International Pub Date : 2024-12-11 DOI: 10.1016/j.envint.2024.109180
Xiujing Guan, Yuhui Li, Yanying Yang, Zihua Liu, Rongguang Shi, Yan Xu
{"title":"Root exudates regulate soil antibiotic resistance genes via rhizosphere microbes under long-term fertilization","authors":"Xiujing Guan, Yuhui Li, Yanying Yang, Zihua Liu, Rongguang Shi, Yan Xu","doi":"10.1016/j.envint.2024.109180","DOIUrl":"https://doi.org/10.1016/j.envint.2024.109180","url":null,"abstract":"Organic fertilizer application promotes the prevalence of antibiotic resistance genes (ARGs), yet the factors driving temporal differences in ARG abundance under long-term organic fertilizer application remain unclear. This study investigated the temporal dynamics of ARG diversity and abundance in both bulk and rhizosphere soils over 17 years (2003–2019), and explored microbial evolution strategies, ARG hosts succession and the influence of root exudates on ARGs regulation. The results showed that the ARGs abundance in rhizosphere soil was lower than that in bulk soil under long-term fertilization, and ARGs abundance exhibited a decrease and then remained stable in rhizosphere soil over time. There was a strong association between host bacteria and dominant ARGs (<em>p</em> &lt; 0.05). Structural equations demonstrated that bacterial community had a most pronounced influence on ARGs (<em>p</em> &lt; 0.05), and metabolites exhibited an important mediation effect on bacterial community (<em>p</em> &lt; 0.05), thereby impacting ARGs. The metabolome analysis evidenced that significant correlations were found between defensive root exudates and most ARGs abundance (<em>p</em> &lt; 0.05), like, <em>luteolin-7-glucoside</em> was negatively correlated with <em>tetA(58)</em>. These findings provide deeper insights into the dynamics of soil ARGs under long-term fertilization, and identify critical factors that influence ARGs colonization in soils, providing support for controlling the spread of ARGs in agriculture soils.","PeriodicalId":308,"journal":{"name":"Environment International","volume":"5 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142804590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ebolavirus evolution and emergence are associated with land use change
IF 6.1 1区 环境科学与生态学
Ecological Monographs Pub Date : 2024-12-11 DOI: 10.1002/ecm.1641
Christian E. Lange, Thomas R. Barnum, David J. McIver, Matthew LeBreton, Karen Saylors, Charles Kumakamba, Sara Lowes, Eduardo Montero, Robert L. Cohen
{"title":"Ebolavirus evolution and emergence are associated with land use change","authors":"Christian E. Lange, Thomas R. Barnum, David J. McIver, Matthew LeBreton, Karen Saylors, Charles Kumakamba, Sara Lowes, Eduardo Montero, Robert L. Cohen","doi":"10.1002/ecm.1641","DOIUrl":"https://doi.org/10.1002/ecm.1641","url":null,"abstract":"Anthropogenic land use change facilitates disease emergence by altering the interface between humans and pathogen reservoirs and is hypothesized to drive pathogen evolution. Here, we show a positive association between land use change and the evolution and dispersal of <i>Zaire ebolavirus</i> (EBOV) and <i>Sudan ebolavirus</i> (SUDV). We update the phylogeographies of EBOV and SUDV, which reveal that the most recent common ancestor of EBOV was circulating around 1960 in the forests of what is now the northwestern Democratic Republic of the Congo, while the most recent common ancestor of SUDV was circulating around 1958 in the southern Sudanese savanna. Both landscapes underwent significant anthropogenic fragmentation between 1940 and 1960, associated with specific colonial “schemes,” which substantially altered local human settlement patterns and the surrounding vegetation to support intensive cash crop agriculture. Since these disturbances, landscape fragmentation was spatiotemporally associated with the divergence and dispersal of new variants of both viruses into new ecoregions of Africa. These variants segregated geographically along ecoregion boundaries, resembling a pattern observable for other bat-borne viruses. The amino acid changes which characterized each variant disproportionately involved glycosylation-sensitive amino acids in the surface glycoprotein domain responsible for immune evasion and attachment to host cells, suggesting adaptation to new hosts amidst changing landscapes. Our results show that land use change not only increases the risk of spillover, but also impacts the evolution of viruses themselves.","PeriodicalId":11505,"journal":{"name":"Ecological Monographs","volume":"41 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142804571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Shannon entropy-based model for the gas adsorption process by coal
IF 2.8 4区 环境科学与生态学
Environmental Earth Sciences Pub Date : 2024-12-11 DOI: 10.1007/s12665-024-12003-4
Zhongfan Zhu, Luoying Li
{"title":"A Shannon entropy-based model for the gas adsorption process by coal","authors":"Zhongfan Zhu,&nbsp;Luoying Li","doi":"10.1007/s12665-024-12003-4","DOIUrl":"10.1007/s12665-024-12003-4","url":null,"abstract":"<div><p>The adsorption behavior of gas by coal layers is crucial for preventing and controlling mine gas disasters, alleviating supply issues related to conventional fossil fuels, and reducing environmental pollution. Therefore, this study aims to characterize the gas adsorption process in coal using a probability method based on Shannon entropy theory. The proposed entropic model effectively predicts the temporal variation of gas adsorption in coal, demonstrating a high correlation coefficient of 0.941, a relative error of 0.101, and a low relative root mean square error of 0.201. Furthermore, the maximum gas adsorption capacity identified in the entropy-based model is closely associated with several influencing factors, including temperature, pressure, moisture content, coal particle size, and coal type. The calibrated entropic model features a straightforward mathematical form and serves as a valuable tool for predicting variations in gas adsorption amounts in various engineering scenarios, provided that certain conditions (temperature, pressure, moisture content, and coal characteristics) are established from limited datasets.</p></div>","PeriodicalId":542,"journal":{"name":"Environmental Earth Sciences","volume":"84 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated geological study in an offshore renewable energy test site: a case from the Basque continental shelf (Bay of Biscay, Spain)
IF 2.8 4区 环境科学与生态学
Environmental Earth Sciences Pub Date : 2024-12-11 DOI: 10.1007/s12665-024-12009-y
Iván Asensio, Lidia Rodríguez-Méndez, Néstor Vegas, Aitor Aranguren
{"title":"Integrated geological study in an offshore renewable energy test site: a case from the Basque continental shelf (Bay of Biscay, Spain)","authors":"Iván Asensio,&nbsp;Lidia Rodríguez-Méndez,&nbsp;Néstor Vegas,&nbsp;Aitor Aranguren","doi":"10.1007/s12665-024-12009-y","DOIUrl":"10.1007/s12665-024-12009-y","url":null,"abstract":"<div><p>Testing and research centres for offshore renewable energy, exemplified by facilities like BIMEP (Biscay Marine Energy Platform) on the Basque coast of Spain, play a crucial role in driving the energy transition. This study utilises pre-existing data at the facility site, such as high-resolution bathymetry and granulometric information from sediment samples, to conduct a comprehensive geological analysis including both sedimentary and rocky seabed. A litho-structural analysis is presented, including a lithological prediction for the continental shelf, the recognition of the main structures, such as NW-trending folds and predominantly NE-SW oriented fractures, and a detailed fracture analysis. Sedimentary seabeds are analysed through a Seabed Sediment Map, illustrating a granulometry-based NE-SW oriented banded distribution. Bedforms are also studied, they are asymmetric and mainly oriented NE-SW. The Seabed Sediment Map and the bedform analysis reveal the effect of an SE-directed bottom current as the main mechanism controlling sediment mobility. This current matches with the predominant swell from the NW and with the direction of the most energetic waves in the area. This approach could serve as a methodological example, offering a cost-effective means for the preliminary geological characterisation of offshore energy sites, and is crucial for establishing a baseline (‘zero state’) before the deployment. This baseline is essential for evaluating and mitigating the impact of new infrastructure on sediment dynamics, which subsequently affects the overall functioning and health of the marine ecosystem.</p></div>","PeriodicalId":542,"journal":{"name":"Environmental Earth Sciences","volume":"84 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12665-024-12009-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Root length as a bioindicator of pesticide concentration in irrigation water.
IF 5.8 3区 环境科学与生态学
Environmental Science and Pollution Research Pub Date : 2024-12-11 DOI: 10.1007/s11356-024-35750-0
Amanda M Queiroz, Montcharles S Pontes, Marisa D Scherer, Daniela E Graciano, Anderson R L Caires, Samuel L Oliveira
{"title":"Root length as a bioindicator of pesticide concentration in irrigation water.","authors":"Amanda M Queiroz, Montcharles S Pontes, Marisa D Scherer, Daniela E Graciano, Anderson R L Caires, Samuel L Oliveira","doi":"10.1007/s11356-024-35750-0","DOIUrl":"https://doi.org/10.1007/s11356-024-35750-0","url":null,"abstract":"<p><p>Overusing pesticides to increase crop productivity is a global problem that harms ecosystems and can adversely affect human health. Therefore, low-cost, simple, and easy-to-use pesticide biomonitoring methods are needed to assess the impact of these products on the environment. In this study, we employed the root development of soybean (Glycine max (L.) Merrill) RR (Roundup® resistant) and sesbania (Sesbania virgata (Cav.) Pers) as bioindicators to evaluate the impact of irrigation water containing three distinct commercial pesticides (herbicide, fungicide, and insecticide). The hermetic response was observed for lower doses of methomyl. A significant reduction in root length was consistently observed in both soybean and sesbania plants when treated with glyphosate, difenoconazole, and methomyl. The dose-dependent change in root length suggests a straightforward alternative to monitoring pesticide levels in water-based solutions. Furthermore, the effects of these chemical agents on plants, even when present in low quantities, may clarify their implications for the environment and crop production.</p>","PeriodicalId":545,"journal":{"name":"Environmental Science and Pollution Research","volume":" ","pages":""},"PeriodicalIF":5.8,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142805905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CNT@NiFe2O4 nanocomposite for phenobarbital removal: adsorption study and characterization.
IF 5.8 3区 环境科学与生态学
Environmental Science and Pollution Research Pub Date : 2024-12-11 DOI: 10.1007/s11356-024-35730-4
Claudir Gabriel Kaufmann Junior, Rubia Young Sun Zampiva, Annelise Koop Alves, Rafael Tronco, Marco Rossi, Carlos Perez Bergman, Leonardo Vidal Zancanaro, Sergio Roberto Mortari, Cristiano Rodrigo Bohn Rhoden
{"title":"CNT@NiFe<sub>2</sub>O<sub>4</sub> nanocomposite for phenobarbital removal: adsorption study and characterization.","authors":"Claudir Gabriel Kaufmann Junior, Rubia Young Sun Zampiva, Annelise Koop Alves, Rafael Tronco, Marco Rossi, Carlos Perez Bergman, Leonardo Vidal Zancanaro, Sergio Roberto Mortari, Cristiano Rodrigo Bohn Rhoden","doi":"10.1007/s11356-024-35730-4","DOIUrl":"https://doi.org/10.1007/s11356-024-35730-4","url":null,"abstract":"<p><p>The contamination of seas, rivers, lakes, and groundwater by industrial, hospital, and domestic effluents is a global health problem. Scientific approaches are needed to assess and mitigate the impacts of those pollutants, seeking more sustainable alternatives that meet established environmental standards. Among the various contaminants that are released into water sources, phenobarbital (PHEN), a long-acting barbiturate, applied as a hypnotic, sedative, and in the treatment of seizures is an aquatic pollutant, raises significant concerns for human health and the environment. Based on the high surface area of carbon nanotubes (CNTs) and the magnetic properties of nickel ferrite (NiFe<sub>2</sub>O<sub>4</sub>) nanoparticles, this work presents, for the first time, the application of CNT@NiFe<sub>2</sub>O<sub>4</sub> on the adsorption of PHEN. The employing of CNT as a barbiturate adsorber was investigated, using NiFe<sub>2</sub>O nanoparticles as a magnetic tool for recovering the nanocomposite from water. The PHEN adsorption study was performed in batch adsorption mode. Thermodynamic isotherms and kinect were performed using Langmuir, Freundlich, Sips, pseudo-first-order (PFO), pseudo-second-order (PSO), and Elovich diffusion models. CNT@NiFe2O4 showed an adsorption capacity of 76% for this drug, indicating it is a promising nanomaterial for removing PHEN from water.</p>","PeriodicalId":545,"journal":{"name":"Environmental Science and Pollution Research","volume":" ","pages":""},"PeriodicalIF":5.8,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142805853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced TOC removal from paper mill wastewater using air dielectric barrier discharge plasma with persulfate sources: Mechanistic insights and continuous flow operation performance evaluation
IF 13.6 1区 环境科学与生态学
Journal of Hazardous Materials Pub Date : 2024-12-11 DOI: 10.1016/j.jhazmat.2024.136853
Nurhaslina Abd Rahman, Reneesha Valiyaveettil Basheer, So Yeon Yoon, Choe Earn Choong, Young June Hong, Yeomin Yoon, Eun Ha Choi, Min Jang
{"title":"Enhanced TOC removal from paper mill wastewater using air dielectric barrier discharge plasma with persulfate sources: Mechanistic insights and continuous flow operation performance evaluation","authors":"Nurhaslina Abd Rahman, Reneesha Valiyaveettil Basheer, So Yeon Yoon, Choe Earn Choong, Young June Hong, Yeomin Yoon, Eun Ha Choi, Min Jang","doi":"10.1016/j.jhazmat.2024.136853","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2024.136853","url":null,"abstract":"This study investigates the removal of total organic carbon (TOC) from paper mill wastewater using air dielectric barrier discharge (DBD) plasma, combined with various persulfate sources, namely potassium peroxymonosulfate (PMS), potassium peroxydisulfate (PDS), and sodium persulfate (SPS). Mechanistic insights into the activation of plasma-PDS and -PMS were obtained through quenching experiments and electron spin resonance (ESR) techniques. The addition of persulfate to air DBD plasma increased TOC removal kinetics by approximately 1.7–3 times, with plasma-PDS exhibiting the highest synergistic factor of 3.14. The electric field from the plasma significantly enhanced radical production, with plasma-PDS outperforming plasma-PMS due to its higher generation of sulfate (SO<sub>4</sub><sup>•−</sup>) and hydroxyl radicals (•OH), which are more effective at breaking down complex organic compounds in paper mill wastewater. In continuous-flow experiments, the plasma-PDS process with 10<!-- --> <!-- -->mM and a 90-minute retention time achieved a 94.5% TOC removal efficiency for actual paper mill wastewater over 8<!-- --> <!-- -->h operation, demonstrating its effectiveness and stability for extended treatment. Quenching experiments revealed that electrons play a key role in PDS activation, whereas <sup>1</sup>O<sub>2</sub> is crucial for PMS activation.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"37 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142804630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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