IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-03 DOI: 10.1021/acs.est.5c06676

Jin-Sook Mok,Sang Beom Baek,Giehyeon Lee,Younghoon Won,Man-Sik Choi,Haneul Kim,Jung-Ho Hyun

{"title":"Seasonally Recurring Water Column Hypoxia Tightly Controls Manganese Distribution, Flux, and Carbonate Precipitation in Sediments of the Eutrophic Coastal Ocean.","authors":"Jin-Sook Mok,Sang Beom Baek,Giehyeon Lee,Younghoon Won,Man-Sik Choi,Haneul Kim,Jung-Ho Hyun","doi":"10.1021/acs.est.5c06676","DOIUrl":"https://doi.org/10.1021/acs.est.5c06676","url":null,"abstract":"Ocean deoxygenation, increasingly driven by human activities and climate change, severely threatens ocean health. Although manganese (Mn) plays a pivotal role in sediment biogeochemistry, the dynamics of Mn in sediments associated with water column hypoxia (WCH) are understudied. To elucidate the impacts of seasonally recurring WCH on the Mn distributions and benthic flux and precipitation of Mn minerals in coastal sediments enriched with Mn, we combined sediment incubation experiments with X-ray absorption near-edge structure (XANES) analysis. Under severe WCH conditions, enhanced sulfate reduction (SR) stimulated abiotic Mn reduction (MnR) coupled with H2S oxidation, which promoted Mn2+ release into the overlying water column. An inverse relationship between benthic Mn flux and bottom water dissolved oxygen concentrations further suggested that severe WCH induces high dissolved Mn persistence in the water column for at least a quarter of the year, ultimately affecting the health of coastal ecosystems. The XANES analysis revealed simultaneous Mn(IV)-oxides depletion and MnCO3 formation under severe WCH conditions. In particular, the increase in MnCO3 precipitation is likely a result of enhanced SR and MnR generating bicarbonate and Mn2+, highlighting the potential enhancement of microbially induced carbonate precipitation and hence carbon sequestration in Mn-rich coastal sediments underlying hypoxic water columns.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"120 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209101","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

Antimony Fate during Transformation of Schwertmannite to Jarosite in Acid Mine Drainage. 酸性矿山废水中许氏锰矿向黄钾铁矾转化过程中锑的命运

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-03 DOI: 10.1021/acs.est.5c06012

Mohammad Rastegari,Niloofar Karimian,Scott G Johnston,Girish Choppala,Mona Hosseinpour Moghaddam,Edward D Burton

{"title":"Antimony Fate during Transformation of Schwertmannite to Jarosite in Acid Mine Drainage.","authors":"Mohammad Rastegari,Niloofar Karimian,Scott G Johnston,Girish Choppala,Mona Hosseinpour Moghaddam,Edward D Burton","doi":"10.1021/acs.est.5c06012","DOIUrl":"https://doi.org/10.1021/acs.est.5c06012","url":null,"abstract":"Schwertmannite is an important host-phase for Sb(V) in acid mine drainage (AMD) systems. However, schwertmannite is metastable and transforms to jarosite under strongly acidic conditions. Little is currently known about how this mineralogical transformation affects associated Sb(V). We address this knowledge gap by presenting the first systematic examination of Sb(V) mobility and fate during the transformation of schwertmannite to jarosite. This was achieved by allowing schwertmannite, with zero, low, or high levels (Sb:Fe = 0, 0.005, or 0.04, respectively) of sorbed or coprecipitated Sb(V), to age under strongly acidic conditions (pH 1.1-2.5). Our results demonstrate that the initial stage of schwertmannite transformation released up to 1.8 mg/L Sb(V) into solution. However, the release of Sb(V) was mitigated by subsequent mineral-water interactions that resulted in Sb(V) being sequestered by newly formed jarosite. Antimony K-edge EXAFS spectroscopy indicates that these interactions included Sb(V) incorporation into the jarosite structure via partial Sb(V)-for-Fe(III) substitution as well as surface precipitation of an antimonic acid-like phase. Overall, the results shed new light on the stability of schwertmannite-bound Sb(V), while highlighting the role that jarosite plays in controlling the Sb(V) mobility and fate at low pH in AMD systems.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"10 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209100","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

Breaking the Humidity Barrier in Ozone Decomposition: Dual-Engineered Mn-Co Catalyst with Vacancy-Orbital Synergy. 打破臭氧分解中的湿度障碍：具有空位-轨道协同作用的双工程Mn-Co催化剂。

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-03 DOI: 10.1021/acs.est.5c06481

Lei Liu,Ming Ouyang,Ning Wu,Chuying Qiu,Ning Wang,Chen Yang,Peng Liu,Peirong Chen,Junliang Wu,Mingli Fu,Yun Hu,Daiqi Ye

{"title":"Breaking the Humidity Barrier in Ozone Decomposition: Dual-Engineered Mn-Co Catalyst with Vacancy-Orbital Synergy.","authors":"Lei Liu,Ming Ouyang,Ning Wu,Chuying Qiu,Ning Wang,Chen Yang,Peng Liu,Peirong Chen,Junliang Wu,Mingli Fu,Yun Hu,Daiqi Ye","doi":"10.1021/acs.est.5c06481","DOIUrl":"https://doi.org/10.1021/acs.est.5c06481","url":null,"abstract":"Ground-level ozone poses significant health risks in indoor environments. However, conventional manganese-based catalysts suffer from rapid deactivation under humid conditions caused by competitive water adsorption and the occupation of active sites by the O22- intermediates. The atomic-level design of Mn3+/Co2+ sites integrates vacancy defect engineering with heterometallic orbital coupling, overcoming the humidity-induced deactivation bottleneck in ozone catalysis. In situ spectra and theoretical calculations confirm that this dual-engineering strategy alters the surface electronic configuration, weakens water adsorption energy, and accelerates O22- dissociation through a low-energy-barrier pathway. Remarkably, this self-sustaining catalyst requires no auxiliary energy (heat or light), allowing seamless integration into air purification systems via simple coating techniques. This innovation opens new possibilities for combating indoor ozone pollution in energy-efficient manner, maintaining stable efficiency (at least 100 h) under realistic humid conditions (25 °C, 4 vol % H2O).","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"21 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209135","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

Technology-Enhanced Atmospheric Moistening (TEAM) for More Precipitation: A Perspective. 技术增强大气润湿（TEAM）带来更多降水：展望。

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-03 DOI: 10.1021/acs.est.5c06428

Sarah N Warnau,Jolanda J E Theeuwen,Gholamabbas Sadeghi,Imme Benedict,Bert H V M Hamelers,Chiel C van Heerwaarden

{"title":"Technology-Enhanced Atmospheric Moistening (TEAM) for More Precipitation: A Perspective.","authors":"Sarah N Warnau,Jolanda J E Theeuwen,Gholamabbas Sadeghi,Imme Benedict,Bert H V M Hamelers,Chiel C van Heerwaarden","doi":"10.1021/acs.est.5c06428","DOIUrl":"https://doi.org/10.1021/acs.est.5c06428","url":null,"abstract":"Large-scale freshwater production solutions can alleviate freshwater scarcity and support ecosystem restoration. In this perspective, we propose Technology-Enhanced Atmospheric Moistening (TEAM) to increase regional precipitation, such as rain and snow, and boost large-scale freshwater availability. By enhancing moisture in the atmosphere, TEAM reduces the amount of atmospheric lifting needed for cloud formation. TEAM can be implemented through spray or solar evaporation technologies, each with their own challenges and opportunities. Using atmospheric moisture flows between evaporation sources and precipitation sinks, we estimate where coastal evaporation from seven source locations may result in precipitation. This is a starting point for the identification of areas with high and low TEAM precipitation enhancement potential. Then, we discuss the position of TEAM in the larger field of technologies for enhancing freshwater supply where we compare TEAM with desalination through reverse osmosis, cloud seeding, and forestation for precipitation enhancement. Further research should focus on (1) quantifying the potential for precipitation generation by enhanced atmospheric moistening, (2) developing technologies that can supply this moisture to the atmosphere, and (3) interdisciplinary regional design. With further research and development, we believe that TEAM can contribute to large-scale freshwater generation.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"95 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209167","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

Modeling the Effect of Microbially Induced Calcium Carbonate Precipitation (MICP) on CO2 Trapping. 微生物诱导碳酸钙沉淀（MICP）对CO2捕集效果的模拟。

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-02 DOI: 10.1021/acs.est.5c08890

Raymond Chen,Ahmet Mert Kavala,Alexandra Clarà Saracho,Ewa J Marek

{"title":"Modeling the Effect of Microbially Induced Calcium Carbonate Precipitation (MICP) on CO2 Trapping.","authors":"Raymond Chen,Ahmet Mert Kavala,Alexandra Clarà Saracho,Ewa J Marek","doi":"10.1021/acs.est.5c08890","DOIUrl":"https://doi.org/10.1021/acs.est.5c08890","url":null,"abstract":"Microbially induced calcium carbonate (CaCO3) precipitation (MICP) is hypothesized to accelerate mineral and solubility trapping of CO2(g) through bacterial hydrolysis of urea, which increases pH, and hence the solubility of carbonate ions. While previous models of MICP only targeted selected conditions and did not offer modeling of all reaction kinetics, enzyme activities, and buffers in the cultivation media, our model addressed these research gaps and helped to understand the limitations and effectiveness of MICP to enhance CO2(g) solubility and mineral trapping. Results showed the capability of ureolysis to increase solubility trapping, with buffers in the media having a non-negligible influence on the process. However, ureolysis above pH 8.9 decreases the capacity of solubility trapping and ultimately causes CO2(g) outgassing. For the modeled configurations, MICP does not increase CO2(g) mineral trapping, since the pH increase by ureolysis is insufficient to precipitate additional CaCO3 than from C atoms released from urea hydrolysis. However, mineral trapping in actual sedimentary reservoirs is more complex. Thus, MICP might enhance mineral trapping in combination with mechanisms in sedimentary reservoirs, while CO2(g) solubility trapping by ureolysis and bacterial carbonic anhydrase enzymes can act as an important intermediate step for subsequent geochemical reactions, leading to long-term mineral trapping.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"25 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145203532","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

Atomically Dispersed Magnesium Centers on Carbon Nitride for H2O2 Production and Synergistic In Situ Water Disinfection. 原子分散的镁集中在氮化碳上产生H2O2和协同原位水消毒。

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-02 DOI: 10.1021/acs.est.5c05354

Lian-Lian Liu,Fei Chen,Ting-Ting Wei,Ren-Li Chen,Di Min,Sheng-Song Yu,Jing-Hang Wu,Jie-Jie Chen,Yujie Xiong

{"title":"Atomically Dispersed Magnesium Centers on Carbon Nitride for H2O2 Production and Synergistic In Situ Water Disinfection.","authors":"Lian-Lian Liu,Fei Chen,Ting-Ting Wei,Ren-Li Chen,Di Min,Sheng-Song Yu,Jing-Hang Wu,Jie-Jie Chen,Yujie Xiong","doi":"10.1021/acs.est.5c05354","DOIUrl":"https://doi.org/10.1021/acs.est.5c05354","url":null,"abstract":"Safe drinking water is vital to human health and developing efficient water disinfection technologies, especially for resource-limited regions, is a pressing environmental challenge. Photocatalytic in situ generation of hydrogen peroxide (H2O2) offers a promising, sustainable approach for water disinfection. However, its practical implementation is restricted by reliance on sacrificial electron donors. In this work, we address this limitation through an innovative design of a photocatalyst by embedding atomically dispersed magnesium (Mg) sites within ultrathin graphitic carbon nitride (g-C3N4) nanosheets. Such a design draws inspiration from natural systems, specifically the light-harvesting function of chlorophyll and the catalytic efficiency of Mg-containing enzymatic cofactors. The engineered catalyst achieves a remarkable H2O2 production rate of 889 μmol g-1 h-1 under visible light irradiation without sacrificial agents. Comprehensive mechanistic studies, including in situ Fourier-transform infrared spectroscopy, pump-probe spectroscopy, and density functional theory calculations, reveal that the Mg sites function as effective proton reservoirs, facilitating water activation and enabling efficient two-electron oxygen reduction for H2O2 formation. Importantly, such a well-designed system demonstrates exceptional in situ bactericidal performance, achieving complete disinfection of model Escherichia coli (99.9999% sterilization efficiency) within 80 min. This nature-inspired catalyst design not only represents an advance in green synthesis methods for single-atom catalysts but also highlights significant potential for environmentally benign water disinfection, addressing critical global needs in water safety and sustainability.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"28 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209133","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

Insights into DOM-Enhanced Periodate Degradation of Emerging Contaminants: The Organic Fenton-like Reactions. dom增强高碘酸盐降解新出现污染物的见解：有机芬顿样反应。

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-02 DOI: 10.1021/acs.est.5c09780

Yangjian Zhou,Yingying Zhou,Liaoliao Yao,Xuewen Luo,Qingqing Kong,Kelvin Sze-Yin Leung,Xin Yang

{"title":"Insights into DOM-Enhanced Periodate Degradation of Emerging Contaminants: The Organic Fenton-like Reactions.","authors":"Yangjian Zhou,Yingying Zhou,Liaoliao Yao,Xuewen Luo,Qingqing Kong,Kelvin Sze-Yin Leung,Xin Yang","doi":"10.1021/acs.est.5c09780","DOIUrl":"https://doi.org/10.1021/acs.est.5c09780","url":null,"abstract":"Emerging contaminants (ECs) pose ecological and health risks due to their persistence and bioaccumulation in aquatic environments. However, the effectiveness of chemical treatment processes for EC degradation is often hindered by the presence of dissolved organic matter (DOM) in real water systems. This study revealed that DOM enhanced the degradation of ECs such as bisphenol A in the DOM-mediated periodate (PI) oxidation system at neutral pH. The degradation of ECs followed biphasic pathways-an initial fast phase (<5 min) and a subsequent slowdown phase (>5 min). The ECs' degradation efficiency increased by 3 to 9 times with 20 mgC L-1 DOM present compared to that without DOM. In the DOM-mediated PI oxidation system, hydroxyl radicals (HO•) were identified as the primary reactive species, with quantum chemical calculations confirming their generation via organic Fenton-like reaction pathways. The electron-donating moieties in DOM, such as hydroquinone, activated PI via single electron transfer and hydrogen transfer reactions, trigging rapid generation of HO• in the initial fast phase. In the subsequent slowdown phase, PI activation was sustained by semiquinone-type radicals and dihydroxy-phenol derivatives formed from the initial reactions. This biphasic activation mechanism collectively enabled effective EC degradation throughout the oxidation process. This study reveals a novel PI activation pathway and provides theoretical guidance for the application of PI-based oxidation treatment processes in real water systems.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"62 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145203475","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

Biodefluorination of Unsaturated Perfluorinated Carboxylic Acid by Anaerobic Digestion Sludge: Who and How? 厌氧消化污泥对不饱和全氟羧酸的生物除氟：谁？怎么去氟？

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-02 DOI: 10.1021/acs.est.5c06744

Qiu-Jin Xu,He-Ping Zhao,Carolyn R Cornell,Chuncheng Wu,Sarah Glass,Jacques Mathieu,Pedro J J Alvarez

{"title":"Biodefluorination of Unsaturated Perfluorinated Carboxylic Acid by Anaerobic Digestion Sludge: Who and How?","authors":"Qiu-Jin Xu,He-Ping Zhao,Carolyn R Cornell,Chuncheng Wu,Sarah Glass,Jacques Mathieu,Pedro J J Alvarez","doi":"10.1021/acs.est.5c06744","DOIUrl":"https://doi.org/10.1021/acs.est.5c06744","url":null,"abstract":"Per- and polyfluoroalkyl substances (PFAS) are widespread environmental pollutants that are notoriously recalcitrant to biodegradation. We explored the biotransformation and defluorination of (E)-perfluoro-4-methylpent-2-enoic acid (PFMeUPA), a perfluorinated compound with diverse C-F bonds, using municipal anaerobic digestion sludge. Defluorination was stimulated with various substrate amendments and characterized by the release of fluoride (F-) and the formation of corresponding byproducts. Methanol, formate, acetate, and lactate enhanced reductive defluorination as electron donors. However, the addition of vitamin B12 (a cobalt-corrin complex), which commonly enhances reductive dehalogenation, had no effect. The methanogenesis inhibitor 2-bromoethanesulfonate had no significant effect, ruling out direct participation by methanogens. After 80 days of incubation, Sulfurospirillum and Asaccharospora exhibited significantly higher relative abundance in all substrate-amended treatment groups compared to those in both the original inoculum and control groups (no substrate or no PFAS added), indicating selective enrichment under defluorinating conditions. Comparative analysis of genomes that were enriched relative to the inoculum and that harbored the fluoride exporter crcB gene (n = 23) versus genomes lacking crcB (n = 233) revealed two novel defluorinating candidates belonging to the Sulfurospirillum genus (A_bin.69 and M_bin.68). Overall, these findings advance the understanding of anaerobic PFAS biodegradation and suggest crcB as an auxiliary biomarker to discover putative defluorinating species.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"75 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209107","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

Novel Insights into the Spatiotemporal Variation of Tap Water Quality and Disinfection Byproducts with Implications for Cancer Risk in Zhejiang, China. 浙江省自来水水质和消毒副产物时空变化与癌症风险关系的新认识

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-02 DOI: 10.1021/acs.est.5c06783

Huachang Hong,Qinglan Zhang,Hao Weng,Guimeng Peng,Lili Zheng,Hongjie Sun,Zhen Wang,Zeqiong Xu,Hongjun Lin,Wen-Jing Deng

{"title":"Novel Insights into the Spatiotemporal Variation of Tap Water Quality and Disinfection Byproducts with Implications for Cancer Risk in Zhejiang, China.","authors":"Huachang Hong,Qinglan Zhang,Hao Weng,Guimeng Peng,Lili Zheng,Hongjie Sun,Zhen Wang,Zeqiong Xu,Hongjun Lin,Wen-Jing Deng","doi":"10.1021/acs.est.5c06783","DOIUrl":"https://doi.org/10.1021/acs.est.5c06783","url":null,"abstract":"Ensuring safe drinking water is essential for public health. In this study, we sampled tap water from 10 regions of Zhejiang Province, China, and measured dissolved organic carbon (DOC), UV absorbance at 254 nm (UV254), and six classes of disinfection byproducts (DBPs): trihalomethanes (THMs), iodinated THMs (I-THMs), haloacetic acids (HAAs), haloacetonitriles (HANs), haloacetamides (HAMs), and haloketones (HKs). We found that northern Zhejiang had higher DOC and UV254 levels, which reflected differences in source water type and elevation-driven land-use patterns. Consequently, THMs, ITHMs, HAAs, and HANs were more abundant in the north, particularly in winter. HAMs peaked in summer, while HKs showed no clear pattern. Although rainfall influenced bromide levels, bromine incorporation into DBPs was mainly driven by precursor properties rather than bromide concentration. Finally, regions with higher total cancer incidence rates (TCRs) had elevated concentrations of I-THMs, triHAAs, and other brominated DBPs. TCR was higher in areas with higher UV254 and lower water source altitude. These findings suggest that (1) switching to higher-altitude water sources and (2) optimizing water treatment strategies to reduce UV254 levels could help mitigate DBP-related health risks. This study highlights the need for region-specific water management and offers insights for improving water safety in similar contexts worldwide.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"76 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145203528","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

Bioinspired Dual-Electric-Channel Membrane for Efficient Photothermal Evaporation and Ion-Selective Crystallization. 用于高效光热蒸发和离子选择结晶的生物启发双电通道膜。

IF 9.028 1区环境科学与生态学

环境科学与技术 Pub Date : 2025-10-02 DOI: 10.1021/acs.est.5c10810

Yanqiong Bao,Xiong Zheng,Yongkang Chen,Yingzong Liang,Lang Liu,Yayun Zhang

{"title":"Bioinspired Dual-Electric-Channel Membrane for Efficient Photothermal Evaporation and Ion-Selective Crystallization.","authors":"Yanqiong Bao,Xiong Zheng,Yongkang Chen,Yingzong Liang,Lang Liu,Yayun Zhang","doi":"10.1021/acs.est.5c10810","DOIUrl":"https://doi.org/10.1021/acs.est.5c10810","url":null,"abstract":"Inspired by the selective salt-secretion mechanism of mangrove plants, we proposed a graphene oxide/polyamide (GO/PA) ion-selective photothermal membrane that seamlessly integrates water evaporation, ion separation, and purified salt crystallization in a single interfacial evaporation procedure. Owing to the hydrolysis of functional groups in both GO and PA layers, the intermediate region between GO and PA layers functions as a dual-electric channel (DEC), which actively drives ions toward crystallization at the membrane margin edges. Based on PA separation, DEC salt secretion, and GO photothermal evaporation, the biomimetic membrane selectively crystallized the NaCl/Na2SO4 solutions with a concentration up to 200 g/L, achieving a crystallization rate of 202.2 g m-2 h-1 and a NaCl mole fraction of 97.16%. In addition, DEC significantly alleviates salt accumulation within the membrane, prompting the evaporation rate of water up to 2.293 kg m-2 h-1 with a peak thermal efficiency of 95.53%. The GO/PA membrane also demonstrates outstanding robustness and versatility, enabling selective crystallization of a wide range of salt pairs. This pioneering concept of utilizing ion channels for selective salt crystallization and separation during solar-driven evaporation opens new avenues for advancing solar interfacial evaporation technologies, particularly in complex, high-salinity, and ionic environments.","PeriodicalId":36,"journal":{"name":"环境科学与技术","volume":"10 1","pages":""},"PeriodicalIF":9.028,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145209108","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

环境科学与技术最新文献