ACS ES&T engineering最新文献

{"title":"Biological Waste-Derived Dual-Site Catalyst Empowers Electro-Fenton Systems to Sustainably Decontaminate Livestock Wastewater","authors":"Ke-Yu Chen, Yun-Xin Huang, Qian Zhang, Shou-Yan Zhao, Wen-Ting Liu, Qi Wang, Bao-Cheng Huang, Ren-Cun Jin","doi":"10.1021/acsestengg.4c00413","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00413","url":null,"abstract":"Livestock and poultry industries are pivotal for meat production, but produced wastewater with heavy pollution challenges environmental sustainability and public health. The electro-Fenton (EF) process, capable of in situ production and activation of hydrogen peroxide, is promising for decontaminating recalcitrant pollutants, yet fabricating a highly active bifunctional cathode catalyst across a broad pH range remains a bottleneck. Guided by green chemistry principles, we synthesized a dual-site catalyst from biological waste to facilitate hydroxyl radical production. Combined experimental and theoretical investigations unveiled that the Fe₂O₃ sites facilitated H₂O₂ generation via catalyzing the oxygen reduction reaction, whereas Fe₃N sites promoted in situ H₂O₂ activation into hydroxyl radicals. This electrocatalyst, integrated into a gas diffusion electrode, achieved stable, aeration-free mineralization of antibiotic contaminants at neutral pH with a low energy consumption of just 0.94 kWh/g of removed total organic carbon. The further development of a tandem system that coupled the anammox bioprocess with the EF process exhibited exceptional efficiency in both nitrogen removal and tertiary purification of actual livestock wastewater, obviating the need for pH adjustments or Fenton reagent additives. These findings underscore the potential scalability and application of our proposed approach in promoting sustainable wastewater management practices.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"11 1","pages":""},"PeriodicalIF":7.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142226152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing Anaerobic Digestion of Food Waste by Combining Carriers and Microaeration: Performance and Potential Mechanisms","authors":"Baocun Wu, Yi Wang, Linyan He, Miao Liu, Jinjing Xiang, Yongdong Chen, Li Gu, Jinze Li, Lin Li, Weiliang Pan, Qiang He","doi":"10.1021/acsestengg.4c00298","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00298","url":null,"abstract":"Enhancing the anaerobic digestion (AD) of organic wastes has been a widely discussed topic. This study aims to enhance AD performance by combining microaeration with conductive or nonconductive carriers, using food waste as the substrate. The use of carriers alone enhanced methane production, and microaeration further improved performance. The conductive carrier showed significant enhancement with microaeration, achieving a daily methane yield of 478 ± 11.3 mL CH₄/g VS, which was 1.1 and 1.3 times higher than that of the nonconductive carrier and the control digester, respectively. Furthermore, the study explored various aspects, including oxidative stress, antioxidant capacity, and microbial community structure during digestion. The results demonstrated that combining microaeration with a conductive carrier improved hydrolytic-acidification efficiency and promoted direct interspecies electron transfer among syntrophic microorganisms. Methanogenic archaea aggregated on the carrier surface and formed consortia with facultative anaerobes, thereby mitigating oxidative stress effects on cells and enhancing total methane production. Moreover, metabolomics analysis showed that combining conductive carriers with microaeration enhanced ATP transport across the bacterial membrane, accelerated nutrient conversion, and caused significant changes in metabolites and intermediates related to glycerophospholipids, amino acids, and signal transduction pathways.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"3 1","pages":""},"PeriodicalIF":7.1,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nanoconfined Cobalt Ferrite Composite Carbon Nanotube Membrane Oxidation-Filtration System for Water Decontamination","authors":"Huanran Ma, Lijun Zhang, Xiao Zhang, Zonglin Pan, Ruisong Xu, Guanlong Wang, Xinfei Fan, Huixia Lu, Shuaifei Zhao, Chengwen Song","doi":"10.1021/acsestengg.4c00282","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00282","url":null,"abstract":"Constructing a membrane-confined peroxymonosulfate (PMS) activation system has emerged as a promising strategy for efficient water decontamination. Herein, a novel cobalt ferrite (CoFe₂O₄)-filled open-end carbon nanotube (OCNT) membrane filtration system was proposed, aiming to integrate dual metal centers and nanoconfinement for enhancing PMS activation (MFPA) toward water decontamination. The optimal CoFe₂O₄@OCNT MFPA process displayed 100% phenol removal within a residence time of 5.7 s, whose <i>k</i> (1.17 s^–1) was 3.0, 5.6, and 3.9 times higher than that of CoO@OCNT, FeO@OCNT, and CoFe₂O₄/CCNT (surface-loaded closed end cap CNT), respectively. Experimental results and theoretical calculations jointly unravel the nonradical-dominated (¹O₂ and electron transfer) oxidation mechanism, leading to the wide-pH adaptation and superior stability in the complex water matrix. Mechanism analysis showed that fast cycling of Co²⁺/Co³⁺ was achieved via synergistic promotion between dual metal centers and the nanoconfinement effect, which coboosted the PMS consumption as well as reactive oxygen species generation (especially ¹O₂). Compared with the single metal center, the dual metal centers of internal CoFe₂O₄ exhibited coenhanced electron cloud density (amount of charge transfer) and adsorption energy for PMS, resulting in O–O cleavage and elongated O–H. Meanwhile, the oxygen vacancy defect (O_def) on CoFe₂O₄ also contributed to the nonradical process, which not only served as the precursor of ¹O₂ generation but also acted as a transfer station for electrons.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"43 1","pages":""},"PeriodicalIF":7.1,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vital Threshold and Underlying Mechanism for the Complete Remediation of Oil and Microplastic Co-Contaminated Soil by Fast Pyrolysis","authors":"Zi-Ying Hu,&nbsp; and ,&nbsp;Hong Jiang*,&nbsp;","doi":"10.1021/acsestengg.4c0020410.1021/acsestengg.4c00204","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00204https://doi.org/10.1021/acsestengg.4c00204","url":null,"abstract":"<p >The coexistence of microplastics (MPs) and oil contaminants in soil has led to a new pollution scenario around the oil-production region, yet how to cost-effectively remediate soil with combined pollutants has rarely been explored. Herein, we propose a fast pyrolysis technique to perfectly remediate MP_S-oil copresence soil (MPs-oil-soil). The experimental data showed that pyrolysis at 500 °C for 15 min is a key threshold for the complete removal of MPs and petroleum contaminants from soil. Above this threshold, seed germination and the growth of wheat in the soil increased, and the rhizosphere microbial population decreased with increasing abundance of beneficial microbial flora, such as <i>Proteobacteria, Actinobacteria and</i> Bacteroidetes (which promote the circulation of nutrients and help to strengthen plant resistance). Structural equation modeling revealed that temperature had a more significant positive effect on the remediation effect than did time. Two-dimensional correlation spectroscopy combined with synchronous fluorescence spectroscopy showed that the presence of MPs was the main factor affecting the pyrolysis threshold. Three-dimensional excitation–emission matrix and UV–visible absorption spectroscopy revealed large differences in the aromaticity and relative molecular weight of dissolved organic matter before and after the pyrolysis threshold. These findings shed light on the mechanistic understanding of the pyrolytic remediation of microplastics and oil-contaminated soils.</p>","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"4 9","pages":"2198–2208 2198–2208"},"PeriodicalIF":7.4,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vital Threshold and Underlying Mechanism for the Complete Remediation of Oil and Microplastic Co-Contaminated Soil by Fast Pyrolysis","authors":"Zi-Ying Hu, Hong Jiang","doi":"10.1021/acsestengg.4c00204","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00204","url":null,"abstract":"The coexistence of microplastics (MPs) and oil contaminants in soil has led to a new pollution scenario around the oil-production region, yet how to cost-effectively remediate soil with combined pollutants has rarely been explored. Herein, we propose a fast pyrolysis technique to perfectly remediate MP_S-oil copresence soil (MPs-oil-soil). The experimental data showed that pyrolysis at 500 °C for 15 min is a key threshold for the complete removal of MPs and petroleum contaminants from soil. Above this threshold, seed germination and the growth of wheat in the soil increased, and the rhizosphere microbial population decreased with increasing abundance of beneficial microbial flora, such as <i>Proteobacteria, Actinobacteria and</i> Bacteroidetes (which promote the circulation of nutrients and help to strengthen plant resistance). Structural equation modeling revealed that temperature had a more significant positive effect on the remediation effect than did time. Two-dimensional correlation spectroscopy combined with synchronous fluorescence spectroscopy showed that the presence of MPs was the main factor affecting the pyrolysis threshold. Three-dimensional excitation–emission matrix and UV–visible absorption spectroscopy revealed large differences in the aromaticity and relative molecular weight of dissolved organic matter before and after the pyrolysis threshold. These findings shed light on the mechanistic understanding of the pyrolytic remediation of microplastics and oil-contaminated soils.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"472 1","pages":""},"PeriodicalIF":7.1,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141948973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced Detection of Primary Biological Aerosol Particles Using Machine Learning and Single-Particle Measurement","authors":"Ashfiqur Rahman, Nurun Nahar Lata, Bruna Grasielli Sebben, Darielle Dexheimer, Zezhen Cheng, Ricardo Henrique Moreton Godoi, Aivett Bilbao, Swarup China","doi":"10.1021/acsestengg.4c00262","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00262","url":null,"abstract":"Accurately identifying primary biological aerosol particles (PBAPs) using analytical techniques poses inherent challenges due to their resemblance to other atmospheric carbonaceous particles. We present a study of an enhanced method for detecting PBAPs by combining single-particle measurement with advanced supervised machine learning (SML) techniques. We analyzed ambient particles from a variety of environments and lab-generated standards, focusing on chemical composition for traditional rule-based and clustering approaches and incorporating morphological features into the SML approaches, neural networks and XGBoost, for improved accuracy. This study demonstrates that SML methods outperform traditional methods in quantifying PBAPs, achieving significant improvements in precision, recall, F1-score, and accuracy, leading to an increased number of detected PBAPs by at least 19%. The adaptability of the proposed XGBoost-based SML model is showcased in comparison to traditional methods in categorizing PBAPs for blind data sets from different geographical locations. Two field case studies were investigated, over agricultural land and Amazonia rain forest, representing relatively low and high concentrations of PBAPs, respectively, where XGBoost consistently detected up to 3.5 times more PBAPs than traditional methods. Precise detection of PBAPs in the atmosphere could significantly improve the prediction of climatic impacts by them.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"42 1","pages":""},"PeriodicalIF":7.1,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141948905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy-Efficient Nutrient Recovery from Real Urine for Hydroponics Based on Alkalinization, Full Nitrification in a Trickling Filter and Limited Supplementations","authors":"Yankai Xie,&nbsp;Mingsheng Jia,&nbsp;Patricia Gutiérrez Lozano,&nbsp;Marijn Juliaan Timmer,&nbsp;Marc Spiller,&nbsp;Jolien De Paepe and Siegfried E. Vlaeminck*,&nbsp;","doi":"10.1021/acsestengg.4c0018810.1021/acsestengg.4c00188","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00188https://doi.org/10.1021/acsestengg.4c00188","url":null,"abstract":"<p >Human urine is considered a major stream of nitrogen mass flow in domestic wastewater, which is widely available and rich in valuable nutrient resources for hydroponic cultivation. In this study, a promising concept of nutrient recovery from real urine was proposed, including urine alkalinization by Ca(OH)₂, full nitrification in a trickling filter, and chemical supplementations. The steady performance of urine nitrification among different urine-collecting batches indicates the robustness of the trickling filter. An optimal hydraulic loading rate of 2.1 m³ m^–2 h^–1 sufficed the dissolved oxygen and urine circulation in the trickling filter, achieving a nitrate production rate of 223 ± 2 mg N L^–1 d^–1 with an efficiency of 90 ± 2% at pH 6 and 21 °C. The electrical energy consumption was only 1.15 kWh kg^–1 NO₃^–-N production at a short hydraulic retention time of 1 day. Among all of the three types of pH control reagents (i.e., Ca(OH)₂, CaCO₃, and K₂CO₃), K₂CO₃ could enhance the activity of ammonium-oxidizing bacteria by raising the inorganic carbon level in the trickling filter and subsequently result in the lowest supplementation of extra macronutrients (i.e., nitrogen, phosphorus, and magnesium) to the urine-sourced nutrient solution. Batch tests showed that the highest activity of ammonium-oxidizing and nitrite-oxidizing bacteria was in the bottom compartment of the trickling filter, consistent with the vertical stratification of their relative abundance. Overall, the proposed novel concept was demonstrated to be robust and energy-efficient in nutrient recovery from real urine for hydroponics.</p>","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"4 9","pages":"2155–2165 2155–2165"},"PeriodicalIF":7.4,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy-Efficient Nutrient Recovery from Real Urine for Hydroponics Based on Alkalinization, Full Nitrification in a Trickling Filter and Limited Supplementations","authors":"Yankai Xie, Mingsheng Jia, Patricia Gutiérrez Lozano, Marijn Juliaan Timmer, Marc Spiller, Jolien De Paepe, Siegfried E. Vlaeminck","doi":"10.1021/acsestengg.4c00188","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00188","url":null,"abstract":"Human urine is considered a major stream of nitrogen mass flow in domestic wastewater, which is widely available and rich in valuable nutrient resources for hydroponic cultivation. In this study, a promising concept of nutrient recovery from real urine was proposed, including urine alkalinization by Ca(OH)₂, full nitrification in a trickling filter, and chemical supplementations. The steady performance of urine nitrification among different urine-collecting batches indicates the robustness of the trickling filter. An optimal hydraulic loading rate of 2.1 m³ m^–2 h^–1 sufficed the dissolved oxygen and urine circulation in the trickling filter, achieving a nitrate production rate of 223 ± 2 mg N L^–1 d^–1 with an efficiency of 90 ± 2% at pH 6 and 21 °C. The electrical energy consumption was only 1.15 kWh kg^–1 NO₃^–-N production at a short hydraulic retention time of 1 day. Among all of the three types of pH control reagents (i.e., Ca(OH)₂, CaCO₃, and K₂CO₃), K₂CO₃ could enhance the activity of ammonium-oxidizing bacteria by raising the inorganic carbon level in the trickling filter and subsequently result in the lowest supplementation of extra macronutrients (i.e., nitrogen, phosphorus, and magnesium) to the urine-sourced nutrient solution. Batch tests showed that the highest activity of ammonium-oxidizing and nitrite-oxidizing bacteria was in the bottom compartment of the trickling filter, consistent with the vertical stratification of their relative abundance. Overall, the proposed novel concept was demonstrated to be robust and energy-efficient in nutrient recovery from real urine for hydroponics.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"10 1","pages":""},"PeriodicalIF":7.1,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141948906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Technical and Cost Assessment of Electrocatalytic Bromate Removal from Drinking Water","authors":"Kuan-Lin Lee,&nbsp;Chenxu Yan,&nbsp;Jingwen Xu,&nbsp;Carolyn E. Brady and Charles J. Werth*,&nbsp;","doi":"10.1021/acsestengg.4c0020310.1021/acsestengg.4c00203","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00203https://doi.org/10.1021/acsestengg.4c00203","url":null,"abstract":"<p >Bromate is a potential human carcinogen and is commonly found in water and wastewater after ozonation. Electrocatalytically, Pd has shown good activity in reducing bromate to bromide; however, the energy efficiency and cost of this technology in a realistic treatment system remain unknown. A custom filter-press reactor with minimal mass-transfer limitations was used to test the kinetics and energy consumption for bromate reduction using Pd, Ru, or Cu on activated carbon cloth as the cathode. In phosphate-buffered nanopure water at circumneutral pH, 95% of bromate was reduced to bromide (from 200 to 10 μg/L) in 1 h with a normalized activity of 2136 mL min^–1 g_Pd^–1. The total energy consumption was 0.576 kW h per gram of bromate removed, which is 9 to 43 times lower than that in reported studies. In Austin tap water (TW) at pH 9.5, the normalized activity dropped to 544 mL min^–1 g_Pd^–1, and the total energy consumption increased to 2.198 kW h per gram of bromate removed, still an improvement over all values reported in the literature despite the latter using synthetic waters. This superior performance is due to the design of the filter-press reactor that minimizes mass-transfer limitations as well as solution resistance compared to reactors evaluated in the literature, such as batch and three-dimensional electrochemical reactors. We note that any lost activity due to catalyst oxidation and poisonings in TW can be electrochemically regenerated by briefly applying a positive and strongly negative potential. This electrocatalytic treatment has estimated costs of $1.41 per 1000 gal (91% capital costs and 9% O&amp;M costs) and is comparable to ion exchange, granular activated carbon, and reverse osmosis, yet benefits from no waste stream generation, indicating that this technology is ready for evaluation at the pilot scale.</p>","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"4 9","pages":"2186–2197 2186–2197"},"PeriodicalIF":7.4,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hierarchical Ultrafiltration-Catalysis Ceramic Membrane for Enhanced Oily Wastewater Treatment: The Synergy Effect between High-Efficiency Catalysis and Separation","authors":"Caihong Liu*,&nbsp;Xihui Jiang,&nbsp;Zhiqiang Sun,&nbsp;Rui Gao,&nbsp;Min Wang,&nbsp;Qiang He and Jun Ma,&nbsp;","doi":"10.1021/acsestengg.4c0025710.1021/acsestengg.4c00257","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00257https://doi.org/10.1021/acsestengg.4c00257","url":null,"abstract":"<p >Catalytic membranes that enable simultaneous micropollutant degradation during oil/water separation have emerged as a promising candidate for treating complex emulsified oily wastewater. However, this hybrid system suffers from membrane fouling and subsequent radical quenching. Herein, we overcome these challenges by developing a novel hierarchical filtration-catalysis ceramic membrane to achieve efficient gradient decontamination. This membrane comprises a top hydrophilic MWCNT layer deposited on a CuFe₂O₄-immobilized ceramic membrane to construct CCuFeCM. A pristine ceramic membrane (CM) and a CuFe₂O₄-immobilized membrane (CuFeCM) served as controls. Our results demonstrated that CCuFeCM presents the most alleviated fouling potential (∼18% of flux decline) and TOC removal (91%) when treating synthetic textile wastewater containing a mineral oil-in-water emulsion with RhB. Besides that, CCuFeCM achieves the highest PMS-based RhB degradation capability (100%) and initial reaction rate (0.684 min^–1). Quenching experiments and EPR analyses show that SO₄^–•, ^•OH, and ¹O₂ are responsible for the CCuFeCM/PMS oxidation system, and ¹O₂ is the dominant reactive species. The synergistic effect of oil separation and catalytic decomposition is mainly ascribed to the ordered arrangement of selective separation in advance to avoid interference with subsequent AOPs, which allows for micropollutants that are transmitted into internal membrane channels for confined catalytic oxidation. Furthermore, replication filtration tests indicate that CCuFeCM shows durable stable degradation and antifouling performance after simple cleaning. The specific functionality of oil isolation, catalyst anchor, and mass transfer effect reaction compartmentation provides a novel strategy for efficient gradient removal of multiple pollutants in water, which highlights promising application potential under realistic conditions.</p>","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"4 9","pages":"2317–2328 2317–2328"},"PeriodicalIF":7.4,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}