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Enhanced utilization efficiency of peroxymonosulfate via water vortex-driven piezo-activation for removing organic contaminants from water

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environmental Science and Ecotechnology 2022年第2期10卷 38-44页

作者： Chuan Yu Jie He Shenyu Lan Wanqian Guo Mingshan Zhu Guangdong Key Laboratory of Environmental Pollution and Health School of EnvironmentJinan UniversityGuangzhou511443PR China State Key Laboratory of Urban Water Resource and Environment Harbin Institute of TechnologyHarbin150090PR China

The efficient activation and utilization of peroxymonosulfate(PMS)in PMS-based advanced oxidation processes is a high-priority target for the removal of organic *** work introduces a water vortex-driven piezoelectric effect from few-odd-layered MoS_(2)into the PMS activation to remove benzotriazole(BTR)and other organic contaminants from the *** 91.1%of BTR can be removed by the MoS_(2)piezo-activated PMS process with a reaction rate constant of 0.428 min1,which is 2.09 times faster than the sum of the individual MoS_(2),water vortex,and piezocatalysis ***,the PMS utilization efficiency reached 0.0147 in the water vortex-driven piezo-activation system,which is 3.97 times that of the sum from the vortex/PMS and MoS_(2)/PMS *** results demonstrate that the presence of MoS_(2)under a water vortex can trigger a piezoelectric potential and generate abundant free electrons to activate PMS to generate various active species for degradation of organic contaminants.

关键词： Water vortex-driven Peroxymonosulfate utilization Piezoelectric activation Organic contaminants Few-odd-layered MoS2

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Analysis of dominant phases inhibiting dissociation of smelting slags and the alkali depolymerization mechanism

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Rare Metals 2024年第11期43卷 6068-6080页

作者： Juan-Li Yuan Jing-Biao Liu Zhen Wu Xiang-Ying Lv Jian-Wei Du Xue-Ming Liu Hong Deng Zhang Lin School of Environment and Energy Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Resource RecyclingSouth China University of TechnologyGuangzhou 510006China School of Advanced Manufacturing School of Ocean Fuzhou UniversityQuanzhou362251China School of Chemistry and Chemical Engineering Shandong UniversityJinan250100China South China Institute of Environmental Science Ministry of EcologyandEnvironmentGuangzhou510535China College of Metallurgy and Environment Central South UniversityChangsha 410083China

This study analyzed the prevalent physicochemical phases of smelting slag from the perspective of data science and *** delineated the silicate phase as the pivotal and predominant constraining phase for the resource utilization of smelting *** intricate correlation between metallic elements and dominant phases was *** silicate phase olivine(OL)was synthesized as a paradigm to examine alkali depolymerization,unveiling the optimal conditions for such depolymerization to be an alkali to olivine molar ratio of 1:5,a reaction temperature of 700℃,and a duration of 3 *** underlying mechanism of alkali depolymerization within silicate phases was elucidated under these *** reaction mechanism of alkali depolymerization within silicate phases can be encapsulated in three sequential steps:(1)NaOH dissociation and subsequent adsorption of OH^(-)to cationic(Mg or Fe)sites;(2)disruption of cation-oxygen bonds,leading to the formation of hydroxide compounds,which then underwent oxidation;(3)Na^(+)occupied the resultant cation vacancy sites,instigating further depolymerization of the intermediate Na_(2)(Mg,Fe)SiO_(4).The articulated mechanism is anticipated to furnish theoretical underpinnings for the efficacious recuperation of metals from smelting slags.

关键词： Smelting slag key phase analysis Silicate phases Alkali depolymerization mechanism

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Seasonal variations of microbial community and antibiotic resistome in a suburb drinking water distribution system in a northern Chinese city

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Journal of environmental Sciences 2023年第5期127卷 714-725页

作者： Yanchu Ke Wenjun Sun Zibo Jing Zhinan Zhao Shuguang Xie State Key Joint Laboratory of Environmental Simulation and Pollution Control College of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China School of Environment Tsinghua UniversityBeijing 100084China Research Institute for Environmental Innovation(Suzhou)Tsinghua Suzhou 215163China

Antibiotic resistance genes(ARGs)are an emerging issue for drinkingwater ***,the seasonal variation of ARGs in drinking water distribution systems(DWDS)is still *** work revealed the tempo-spatial changes of microbial community,ARGs,mobile genetic elements(MGEs)co-occurring with ARGs,ARG hosts in DWDS bulk water by means of metagenome *** microbial community and antibiotic resistome varied with sampling season and ***,ammonia,chlorite and total plate count(TPC)drove the variations of microbial community ***,environmental parameters(total organic carbon(TOC),chlorite,TPC and hardness)shifted antibiotic *** and MGEs co-occurring with ARGs showed higher relative abundance in summer and autumn,which might be attributed to detached pipe *** particular,ARG-bacitracin and plasmid were the predominant ARG and MGE,*** hosts changed with season and site and were more diverse in summer and *** winter and spring,Limnohabitans and Mycobacterium were the major ARG hosts as well as the dominant genera in microbial *** addition,in summer and autumn,high relative abundance of Achromobacter and Stenotrophomonas were the hosts harboring many kinds of ARGs and MGEs at site in a residential zone(0.4 km from the water treatment plant).Compared with MGEs,microbial community had a greater contribution to the variation of antibiotic *** work gives new insights into the dynamics of ARGs in full-scale DWDS and the underlying factors.

关键词： Drinking water distribution system Seasonal change Microbial community Antibiotic resistance genes Mobile genetic elements

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Photochemical behavior of dissolved organic matter in environmental surface waters:A review

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Eco-environment & Health 2024年第4期3卷 529-542页

作者： Yichen Xu Yutong Zhang Longlong Qiu Ming Zhang Jiaojiao Yang Rong Ji Davide Vione Zhanghao Chen Cheng Gu State Key Laboratory of Pollution Control and Resource Reuse School of Environment Nanjing UniversityNanjing 2023China Department of Environmental Engineering College of Biology and the EnvironmentNanjing Foresty UniversityNanjing 210037China Quanzhou Institute for Environmental Protection Industry Nanjing UniversityQuanzhou 362000China Department of Chemisty University of TurinVia Pietro Giuria 510125TorinoItal

As an important group of widespread organic substances in aquatic ecosystems,dissolved organic matter(DOM)plays an essential role in carbon recycling and transformation *** photochemical behavior of DOM is one of the main ways it participates in these processes,and it attracts extensive ***,due to a variety of sources and water conditions,including both freshwater and seawater environments,the photochemical properties of DOM exhibit great ***,a large number of studies have focused on the generation process of reactive species(RS)from sunlit DOM,while lttle effort has been made so far to provide a comprehensive summary of the photochemical behavior of DOM,especially in fresh and saline aquatic *** this review,we analyzed the research hotspot on DOM photochemistry over the last 30 years,summarizing the generation of photoreactive species in natural water environments containing DOM(both freshwater and seawater)and listing the main factors affecting the rate,yield,and species of RS *** with freshwater,seawater has unique characteristics such as high pH value,high ionic strength,and halide ions,which affect the photogeneration of Rs,the photoconversion process,as well as the reaction pathways of various environmental *** general,DOM-induced surface water photochemistry has important impacts on the environmental transformation and toxic effects of aquatic pollutants and can even contribute significantly to the Earth's carbon cycle,which would have potential implications for both human and ecological health.

关键词： Dissolved organic matter Photochemistry Reactive species Surface waters Ecological impact

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Leveraging individual-level data to advance air pollution health risk management

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Frontiers of Engineering Management 2022年第2期9卷 337-342页

作者： Jianxun YANG Wenjing WU Miaomiao LIU Jun BI State Key Laboratory of Pollution Control and Resource Reuse School of EnvironmentNanjing UniversityNanjing 210023China

1 Introduction environmental health risk management is a systematic engineering task,engaging multiple disciplines from the academic and government *** environmental health risks has become one of the key targets in the United Nations Sustainable Development Goals(SDGs).This target has been translated into public policies at many jurisdictional levels(Yue et al.,2020).To design region-specific and targeted policy initiatives,understanding how environmental health risks are spatially distributed and temporally resolved is fundamental.

关键词： al. pollution aging

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Appreciating the role of big data in the modernization of environmental governance

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Frontiers of Engineering Management 2022年第1期9卷 163-169页

作者： Miaomiao LIU Bing ZHANG Jun BI State Key Laboratory of Pollution Control and Resource Reuse School of EnvironmentNanjing UniversityNanjing 210023China

1 Introduction The development of the Internet of Things,drones,and new social media platforms opened up an unprecedented space for the autonomy of human *** promoted the formation of a new form of social relations and social field-cyber society(Jones,1995).The cyber society has already become a digital twin of the actual society and even the *** reconstructed the whole society through impacting social control and social *** this context,it is of great theoretical and practical significance to expand the field of social governance from traditional society to cyber society.

关键词： App promoted media

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Ultrathin ZnIn_(2)S_(4)Nanosheets-Supported Metallic Ni_(3)FeN for Photocatalytic Coupled Selective Alcohol Oxidation and H_(2)Evolution

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Chinese Journal of Structural Chemistry 2022年第12期41卷 15-24页

作者： Mengqing Li Weiliang Qi Jiuyang Yu Lijuan Shen Xuhui Yang Siqi Liu Min-Quan Yang College of Environmental Science and Engineering Fujian Key Laboratory of Pollution Control&Resource ReuseFujian Normal UniversityFuzhou 350007China School of Environmental Science and Technology Dalian University of TechnologyDalian 116024China

Photocatalytic anaerobic organic oxidation coupled with H_(2)evolution represents an advanced solar energy utilization strategy for the coproduction of clean fuel and fine *** achieve a high conversion efficiency,the smart design of efficient catalysts by the right combination of semiconductor light harvesters and cocatalyst is highly ***,we report a composite photocatalyst composed of noble metal-free transition metal nitride Ni_(3)FeN decorated on 2D ultrathin ZnIn_(2)S_(4)(ZIS)nanosheets for selective oxidation of aromatic alcohols to aldehydes pairing with H_(2)*** the composite,ultrathin ZIS serves as a light harvester that greatly shortens the diffusion length of photogenerated charges,while the metallic nitride Ni_(3)FeN acts as an advanced cocatalyst which not only captures the photoelectrons generated from the ultrathin ZIS to promote the charge separation,but also provides active sites to lower the overpotential and accelerate the H_(2)*** best photocatalytic performance is found on ZIS/1.5%M-Ni_(3)FeN,which shows a H_(2)generation rate of 2427.9μmol g^(^(-1))h^(-1)and a benzaldehyde(BAD)production rate of 2460μmol g^(-1)h^(-1),about 7.8-fold as high as that of bare *** work is anticipated to endorse the exploration of transition metal nitrides as high-performance cocatalysts to promote the coupled photocatalytic organic transformation and H_(2)production.

关键词： transition metal nitrides cocatalyst ultrathin 2D nanosheets electrostatic self-assembly interfacial contact selective alcohol oxidation H_(2)evolution

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Stress resistance enhancing with biochar application and promotion on crop growth

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Biochar 2024年第1期6卷 762-786页

作者： Wenchen Chi Qiong Nan Yuxue Liu Da Dong Yong Qin Shengjie Li Weixiang Wu Institute of Environment Pollution Control and Treatment College of Environment and Resource ScienceZhejiang UniversityHangzhou 310058People’s Republic of China. State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products Institute of EnvironmentResourceSoil and FertilizersZhejiang Academy of Agricultural SciencesHangzhou 310021China. College of Environmental and Resource Sciences Zhejiang A&F UniversityLin’anHangzhou 311300China. Dept Biogeochem Max Planck Inst Marine Microbiol28359 BremenGermany.

environmental stressors such as drought,salinity,and heavy metals pose significant obstacles to achieving sustainable food security,necessitating the development of universally applicable and cost-effective solutions to ameliorate soil under ***,an eco-friendly material to increase crop yield,has been researched for almost two decades and has great potential for global use in enhancing stress ***,there hasn’t been comprehensive research on the impact of biochar application on soil properties,and root and crop *** optimize and promote biochar application in agriculture under stress,this study integrates over 100 peer-reviewed articles to explain how biochar promotes crop growth by enhancing soil resistance to ***’s distinctive properties,such as porous structure,alkaline nature,enriched surface functional groups,and nutrient content,are responsible for the following soil environment benefits:improved soil physiochemical properties,increased nutrient cycling,and boosted microbial ***,the research emphasizes that the enhanced stress resistance of biochar optimizes nutrient absorption,alleviates soil pollutants,and thereby enhances overall crop *** study discusses the roles and mechanisms of biochar on soil under stress,as well as the challenges linked to the sustainable and economical implementation of biochar in extreme soil *** review aims to provide a theoretical basis for the widespread and cost-effective use of biochar in improving soil under stresses,thereby enhancing soil health and food security.

关键词： Biochar Crop Soil aggregates Nutrients Stress resistance

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Resistance to salt stresses by aerobic granular sludge:sludge property and microbial community

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Frontiers of environmental Science & Engineering 2024年第8期18卷 107-116页

作者： Xiao Wu Hui Li Meili Wang Tianying Zhang Jiawei Li Yongdi Liu Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and EnvironmentSouthwest Minzu UniversityChengdu 610041China Institute for Environmental Pollution and Health School of Environmental and Chemical EngineeringShanghai UniversityShanghai 200444China School of Life Sciences Southwest UniversityChongqing 400715China State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process School of Resources and Environmental EngineeringEast China University of Science and TechnologyShanghai 200237China Institute of Qinghai-Tibetan Plateau Southwest Minzu UniversityChengdu 610041China

Saline wastewater is regarded as a challenge for wastewater treatment plants because high-salinity conditions negatively affect on traditional biological *** granular sludge(AGS)has gained attention as a promising technology for saline wastewater treatment because of its compact structure and the ability to withstand toxic ***,this study investigated the saltresistance performance,sludge properties and microbial community of AGS under low-salinity and high-salinity conditions,with the saline concentrations ranging from 0 to 50 g/*** results showed that AGS could withstand long-term saline stresses,and the maximum salinity reached 50 g/L within 113 *** salinities of 10,30,and 50 g/L,the chemical oxygen demand(COD)removal efficiencies were 90.3%,88.0%and 78.0%,*** also its maintained strength and aggregation at salinities of 10 and 30 g/*** of extracellular polymeric substances(EPS)by non-halophilic bacteria that enhanced sludge *** compact structure that ensured the microorganisms bioactivity helped to remove organic matters under salinities of 10 and 30 g/*** a salinity of 50 g/L,moderately halophilic bacteria,including Salinicola,Thioclava,Idiomarina and Albirhodobacter,prevailed in the *** dominant microbial communities shifted to moderately halophilic bacteria,which could maintain aerobic granular stabilization and remove organic matters under 50 g/L *** results in this study provide a further explanation for the long-term operation of AGS for treating saline wastewater at different *** is hoped that this work could bring some clues for the mystery of salt-resistance mechanisms.

关键词： Aerobic granular sludge Long-term saline stresses Performance Sludge property Microbial community

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Alcohol consumption promotes arsenic absorption but reduces tissue arsenic accumulation in mice

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Eco-environment & Health 2023年第3期2卷 107-116页

作者： Hongyu Wang Albert L.Juhasz Yaosheng Zhang Lizhu Zhang Lena Q.Ma Dongmei Zhou Hongbo Li State Key Laboratory of Pollution Control and Resource Reuse Jiangsu Key Laboratory of Vehicle Emissions ControlSchool of the EnvironmentNanjing UniversityNanjing 210023China Future Industries Institute University of South AustraliaMawson LakesSouth Australia 5095Australia Department of Nanxin Pharm Nanjing 210000China Institute of Soil and Water Resources and Environmental Science College of Environmental and Resource SciencesZhejiang UniversityHangzhou 310058China

Alcohol consumption alters gut microflora and damages intestinal tight junction barriers,which may affect arsenic(As)oral *** this study,mice were exposed to arsenate in the diet(6μg/g)over a 3-week period and gavaged daily with Chinese liquor(0.05 or 0.10 mL per mouse per day).Following ingestion,78.0%and 72.9%of the total As intake was absorbed and excreted via urine when co-exposed with liquor at daily doses of 0.05 or 0.10 mL,significantly greater than when As was supplied alone(44.7%).Alcohol co-exposure significantly altered gut microbiota but did not significantly alter As biotransformation in the intestinal tract or *** lower relative mRNA expression was observed for genes encoding for tight junctions in the ileum of liquor co-exposed mice,contributing to greater As bioavailability attributable to enhanced As absorption via the intestinal paracellular ***,As concentration in the liver,kidney,and intestinal tissue of liquortreated mice was decreased by 24.4%-42.6%,27.5%-38.1%,and 28.1%-48.9%compared to control *** was likely due to greater renal glomerular filtration rate induced by alcohol,as suggested by significantly lower expression of genes encoding for renal tight *** addition,in mice gavaged daily with 0.05 mL liquor,the serum antidiuretic hormone level was significantly lower than control mice(2.83±0.59 vs.5.40±1.10 pg/mL),suggesting the diuretic function of alcohol consumption,which may facilitate As elimination via *** results highlight that alcohol consumption has a significant impact on the bioavailability and accumulation of As.

关键词： Arsenic speciation Alcohol consumption Oral bioavailability Tissue accumulation Tight junctions

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