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Source apportionment and suitability evaluation of seasonal VOCs contaminants in the soil around a typical refining-chemical integration park in China

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Journal of environmental Sciences 2024年第3期137卷 651-663页

作者： Xu Zhao Jing Meng Qianqian Li Guijin Su Qifan Zhang Bin Shi Lingwen Dai Yong Yu Key Laboratory of Environmental Nanotechnology and Health Effects State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China State Environmental Protection Key Laboratory of Quality Control in Environmental Monitoring China National Environmental Monitoring CenterBeijing 100012China

Accurate source apportionment of volatile organic compounds(VOCs)in soil nearby petrochemical industries prevailing globally,is critical for preventing ***,in the process,seasonal effect on contamination pathways and accumulation of soil VOCs is often ***,Yanshan Refining-Chemical Integration Park,including a carpet,refining,synthetic rubber,and two synthetic resin zones,was selected for *** variations resulted in a gradual decrease of 31 VOCs in soil from winter to summer.A method of dry deposition resistance model coupling partitioning coefficient model was created,revealing that dry deposition by gas phase was the primary pathway for VOCs to enter soil in winter and spring,with 100 times higher fux than by particle *** profiles for five zones were built by gas sampling with distinct substance indicators screened,which were used for positive matrix factorization factors *** of the five zones were 14.9%,20.8%,13.6%,22.1%,and 28.6%in winter and 33.4%,12.5%,10.7%,24.9%,and 18.5%in spring,*** variation in the soil sorption capacity of VOCs causes inter-seasonal differences in *** better correlation between dry deposition capacity and soil storage of VOCs made root mean square and mean absolute errors decrease averagely by 8.8%and 5.5%in winter compared to *** study provides new perspectives and methods for the source apportionment of soil VOCs contamination in industrial sites.

关键词： Dry deposition resistance model Positive matrix factorization model Partitioning coefficient model Contamination pathway Source profile

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Challenges and perspectives of air pollution control in China

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Frontiers of environmental Science & Engineering 2024年第6期18卷 9-16页

作者： Bin Zhao Shuxiao Wang Jiming Hao State Key Joint Laboratory of Environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex Beijing 100084China

Air pollution is one of the most challenging environmental issues in the *** has achieved remarkable success in improving air quality in last decade as a result of aggressive air pollution control ***,the average fine particulate matter(PM2.5)concentration in China is still about six times of the World Health Organization(WHO)Global Air quality Guidelines(AQG)and causing significant human health *** emission reductions of multiple air pollutants are required for China to achieve the *** we identify the major challenges in future air quality improvement and propose corresponding control *** main challenges include the persistently high health risk attributed to PM2.5 pollution,the excessively loose air quality standards,and coordinated control of air pollution,greenhouse gases(GHGs)emissions and emerging *** further improve air quality and protect human health,a health-oriented air pollution control strategy shall be implemented by tightening the air quality standards as well as optimizing emission reduction pathways based on the health risks of various *** the meantime,an“oneatmosphere”concept shall be adopted to strengthen the synergistic control of air pollutants and GHGs and the control of non-combustion sources and emerging pollutants shall be enhanced.

关键词： Air pollution China Health impact Air quality standards GHGs Emerging pollutants

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Review of technologies and their applications for the speciated detection of RO2 radicals

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Journal of environmental Sciences 2023年第1期123卷 487-499页

作者： Yue Gao Keding Lu Yuanhang Zhang State Key Joint Laboratory of Environmental Simulation and Pollution Control State Environmental Protection Key Laboratory of Atmospheric Ozone Pollution ControlCollege of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China

Peroxy radicals(RO_(2)),which are formed during the oxidation of volatile organic compounds,play an important role in atmospheric oxidation ***,the measurement of RO_(2),especially distinct species of RO_(2)radicals,is important and greatly helps the exploration of atmospheric chemistry *** the speciated detection of RO_(2)radicals remains challenging,various methods have been developed to study them in *** methods can be divided into spectroscopy and mass spectrometry *** spectroscopy methods contain laser-induced fluorescence(LIF),UV-absorption spectroscopy,cavity ring-down spectroscopy(CRDS)and matrix isolation and electron spin resonance(MIESR).The mass spectrometry methods contain chemical ionization atmospheric pressure interface time-of-flight mass spectrometry(CI-APi-TOF),chemical ionization mass spectrometry(CIMS),CI-Orbitrap-MS and the third-generation proton transfer reaction-time-of-flight mass spectrometer(PTR3).This article reviews technologies for the speciated detection of RO_(2)radicals and the applications of these *** addition,a comparison of these techniques and the reaction mechanisms of some key species are ***,possible gaps are proposed that could be filled by future research into speciated RO_(2)radicals.

关键词： Speciated RO_(2)radicals Atmospheric chemistry Reaction mechanisms Mass spectrometry

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Compilation of reaction kinetics parameters determined in the key Development Project for Air Pollution Formation Mechanism and control Technologies in China

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Journal of environmental Sciences 2023年第1期123卷 327-340页

作者： Yuehui Liu Ming Zhou Keding Lu State Key Joint Laboratory of Environmental Simulation and Pollution Control State Environmental Protection Key Laboratory of Atmospheric Ozone Pollution ControlCollege of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China

A compilation of new advances made in the research?eld of laboratory reaction kinetics in China’s key Development Project for Air Pollution Formation Mechanism and control Technologies was *** advances are grouped into six broad,interrelated categories,including volatile organic compound(VOC)oxidation,secondary organic aerosol(SOA)formation,new particle formation(NPF)and gas-particle partitioning,ozone chemistry,model parameters,and secondary inorganic aerosol(SIA)formation,highlighting the laboratory work done by Chinese *** smog chamber applications,the current knowledge gained from laboratory studies is reviewed,with emphasis on summarizing the oxidation mechanisms of long-chain alkanes,aromatics,alkenes,aldehydes/ketones in the atmosphere,SOA formation from anthropogenic emission sources,and oxidation of aromatics,isoprene,and limonene,as well as SIA ***?ow tube applications,atmospheric oxidation mechanisms of toluene and methacrolein,SOA formation from limonene oxidation by ozone,gas-particle partitioning of peroxides,and sulfuric acid-water(H2SO4-H2O)binary nucleation,methanesulfonic acid-water(MSA-H2O)binary nucleation,and sulfuric acid-ammonia-water(H2SO4-NH3-H2O)ternary nucleation are discussed.

关键词： Smog chamber Flow tube VOC oxidation SOA formation New particle formation Gas-particle partitioning SIA formation

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Characterizing molecular fingerprint of dissolved organic matter shaped by natural and anthropogenic factors in a large macrophytic shallow lake wetland

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Frontiers of environmental Science & Engineering 2025年第3期19卷 73-86页

作者： Shengwu Yuan Yiping Xu Pengfei Wang Ruili Xie Jiangbo Hu Zhenghui Fu Kun Wang Shuhang Wang Xia Jiang Kaifeng Rao Mei Ma Zijian Wang State Key Laboratory of Environmental Criteria and Risk Assessment National Engineering Laboratory for Lake Pollution Control and Ecological RestorationState Environment Protection Key Laboratory for Lake Pollution ControlState Environmental Protection Key Laboratory of Drinking Water Source ProtectionChinese Research Academy of Environmental ScienceBeijing 100012China Research Center for Eco-Environmental Sciences Chinese Academy of SciencesBeijing 100085China College of Resources and Environment University of Chinese Academy of SciencesBeijing 100049China

Dissolved organic matter(DOM)participates in and affects many biological processes in aquatic ecosystems,altering nutrient cycling,bioavailability and toxicity of *** water contains thousands of DOM molecules,which largely originate from natural sources and are greatly influenced by external inputs through anthropogenic *** elucidate the shaping mechanism of the DOM composition under complex habitat conditions and anthropogenic disturbances,the characteristic molecular fingerprint of DOM was determined based on chemodiversity information obtained via ultrahigh-resolution mass spectrometry for the Baiyangdian wetland(a typical large macrophytic shallow lake in North China).In the Baiyangdian wetland,the DOM composition exhibited high complexity and spatial heterogeneity,and more recalcitrant DOM molecules were identified in summer than in *** multiple natural factors(nutrient concentration,depth of water and quality of submerged macrophytes)and anthropogenic factors(different land uses and discharge of pollutants)were associated with the relative abundance of various DOM molecules,only the influences from the anthropogenic factors were statistically *** alpha diversity index of DOM could reflect variations in both the natural factors(total dissolved phosphorus)and the anthropogenic factors(discharge of nitrogen and phosphorus).Furthermore,the DOM composition in each group were clustered according to the ecological functions(natural reserves,tourism,breeding,and domestic supply functions),and exhibited molecular fingerprint *** study provides an effective approach to characterize the molecular fingerprint features of DOM and critical information to better understand the shaping mechanism of the DOM composition under complex habitat conditions and anthropogenic disturbances.

关键词： DOM FT-ICR-MS Chemodiversity Habitat Ecological function Baiyangdian wetland

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Chemodiversity of soil dissolved organic matter affected by contrasting microplastics from different types of polymers

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Frontiers of environmental Science & Engineering 2023年第12期17卷 149-162页

作者： Hong Yu Beidou Xi Lingling Shi Wenbing Tan State Key Laboratory of Environmental Criteria and Risk Assessment and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater PollutionChinese Research Academy of Environmental SciencesBeijing 100012China

Chemodiversity of dissolved organic matter(DOM)is a crucial factor controlling soil nutrient availability,greenhouse gas emissions,and pollutant ***(MPs)are widespread pollutants in terrestrial ecosystems in many ***,the effects of MPs on DOM chemodiversity are not sufficiently understood,particularly under different types of *** UV-Vis spectroscopy,3D fluorescence spectroscopy,and Fourier-transform ion cyclotron resonance mass spectrometry,the effects of three prevalent MPs[polyethylene,polystyrene,and polyvinyl chloride(PVC)]on the chemical properties and composition of soil DOM were investigated via a 310-d soil incubation *** results showed that MPs reduced the aromatic and hydrophobic soil DOM components by more than 20%,with PVC MPs having the greatest ***,as MP contents increase,the humification level of soil DOM significantly *** increased DOM molecules with no heteroatom by 8.3%-14.0%,but decreased DOM molecules with nitrogen content by 17.0%-47.8%.This may be because MPs cause positive“priming effect,”resulting in the breakdown of bioavailable components in soil *** is also related to MPs changing microbial richness and diversity and enriching microbial communities involved in lignin compositions *** the presence of MPs,soil DOM chemodiversity depended on soil pH,electrical conductivity,dissolved organic carbon,soil organic matter,bacterial Shannon,and fungal Chao ***,DOM in MP-contaminated soils featured more lipids and less condensed aromatics and proteins/amino sugars,thereby conferring a lower DOM aromaticity and higher lability.

关键词： Microplastics Dissolved organic matter FT-ICR MS Chemodiversity Molecular signature

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Emission control status and future perspectives of diesel trucks in China

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Journal of environmental Sciences 2025年第2期148卷 702-713页

作者： Shihai Zhang Mingliang Fu Hefeng Zhang Hang Yin Yan Ding State Environmental Protection Key Laboratory of Vehicle Emission Control and Simulation Chinese Research Academy of Environmental SciencesBeijing 100012China Vehicle Emission Control Center Chinese Research Academy of Environmental SciencesBeijing 100012China

Chinese diesel trucks are the main contributors to NOx and particulate matter(PM)vehicle *** increase in diesel trucks could aggravate air pollution and damage human *** Chinese government has recently implemented a series of emission control technologies andmeasures for air quality *** paper summarizes recent control technologies and measures for diesel truck emissions in China and introduces the comprehensive application of control technologies and measures in Beijing-Tianjin-Hebei and surrounding *** onlinemonitoring technology has been adopted according to the China VI standard for heavy-duty diesel trucks,and control measures such as transportation structure adjustment and heavy pollution enterprise classification control continue to support the battle action plan for pollution *** and suggestions are provided for promoting pollution control and supervision of diesel truck emissions:adhere to the concept of overall management and control,vigorously promote the application of systematic and technological means in emission monitoring,continuously facilitate cargo transportation structure adjustment and promote new energy freight *** paper aims to accelerate the implementation of control technologies and measures throughout *** is endeavouring to control diesel truck exhaust *** is willing to cooperate with the world to protect the global ecological environment.

关键词： Air quality Diesel truck emissions Emission control technology control measures

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A global perspective on microbial risk factors in effluents of wastewater treatment plants

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Journal of environmental Sciences 2024年第4期138卷 227-235页

作者： Kejing Chen Jinsong Liang Yuhan Wang Yechen Tao Yun Lu Aijie Wang School of Civil and Environmental Engineering Harbin Institute of TechnologyShenzhen 518055China Shenzhen Guohuan Environmental Protection Technology Development Co. LTD.Shenzhen 518055China State Key Joint Laboratory of Environmental Simulation and Pollution Control State Environmental Protection Key Laboratory of Microorganism Application and Risk ControlSchool of EnvironmentTsinghua UniversityBeijing 100084China

Effective monitoring and management of microbial risk factors in wastewater treatment plants(WWTPs)effluents require a comprehensive investigation of these risks.A global survey on microbial risk factors in WWTP effluents could reveal important insights into their risk *** study aims to explore the abundance and types of antibiotic resistance genes(ARGs),virulence factor genes(VFGs),the vector of ARG/VFG,and dominant pathogens in global WWTP *** collected 113 metagenomes of WWTP effluents from the Sequence Read Archive of the National Center for Biotechnology Information and characterized the microbial risk *** results showed that multidrug resistance was the dominant ARG type,while offensive virulence factors were the most abundant type of *** most dominant types of ARGs in the vector of plasmid and phage were both aminoglycoside resistance,which is concerning as aminoglycosides are often a last resort for treating multi-resistant *** baumannii was the most dominant pathogen,rather than Escherichia coli,and a weak negative correlation between Escherichia coli and two other dominant pathogens(Acinetobacter baumannii and Bacteroides uniformis)suggests that using Escherichia coli as a biological indicator for all pathogens in WWTP effluents may not be *** Getah virus was the most dominant virus found in global WWTP *** study presents a comprehensive global-scale investigation of microbial risk factors in WWTP effluents,providing valuable insights into the potential risks associated with WWTP effluents and contributing to the monitoring and control of these risks.

关键词： Wastewater treatment plant Microbial risk factor Effluent Pathogen Antibiotic resistance gene Virulence factor gene

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Mechanistic insights into the synergetic remediation and amendment effects of zeolite/biochar composite on heavy metal-polluted red soil

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Frontiers of environmental Science & Engineering 2024年第9期18卷 105-114页

作者： Jing Li Dazhong Yang Wensong Zou Xuezhen Feng Ranhao Wang Renji Zheng Siyuan Luo Zheting Chu Hong Chen State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution ControlSchool of Environmental Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China

Red soil,the most critical soil resource in tropical/subtropical regions worldwide,faces tremendous threats,including nutrient deficiency,acidification,and heavy metal *** is a great demand for multifunctional eco-materials capable of modifying this ***,we used widely distributed soil and biomass to develop a zeolite/biochar composite for synergistic red soil remediation and *** the composite material,the Pb^(2+) and Cd^(2+) remediation efficiencies reached 92.8%and 92.9%,respectively,in stems under optimal ***,the acidity and nutrient deficiency conditions of red soil significantly *** atomic-scale interaction mechanism during the remediation and amendment process was elucidated with complementary characterization methods,which revealed that in the zeolite/biochar composite material,zeolite contributes to longterm heavy metal remediation ***,biochar is responsible for soil quality amendment and short-term heavy metal ***,for the first time,single-atom heavy metal ions were observed on biochar during the remediation process,indicating the broad distribution of single atoms in the natural environment.

关键词： Red soil Heavy metal pollution Zeolite/biochar composite Soil remediation Soil amendment

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High potential in synergizing the reduction of dissolved organic carbon concentration and carbon dioxide emissions for submerged-vegetationcovered river networks

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Journal of environmental Sciences 2025年第5期151卷 298-309页

作者： Qingqian Li Ruixia Liu Zhangmu Jing Yanjie Wei Shengqiang Tu Huibin Yu Hongjie Gao Peng Yuan State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental ScienceBeijing 100012China State Environmental Protection Key Laboratory of Estuarine and Coastal Environment Chinese Research Academy of Environmental ScienceBeijing 100012China State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China College of Municipal and Environmental Engineering Shenyang Jianzhu UniversityShenyang 110168China

Various technologies and projects have been explored and developed for the synergetic control of environmental pollution and carbon emissions in aquatic *** submerged vegetation in shallow waters was also expected to achieve this ***,the magnitude and mechanism of carbon dioxide(CO_(2))emission affected by submerged vegetation is not clear enough in complex aquatic *** study investigated the influences of submerged plants on CO_(2)emission,ecosystem metabolism features,and microbial community traits based on observations in river networks on the Changjiang River *** results showed that CO_(2)emission from planted waters accounted for 73%of unplanted ***,planted waters had higher dissolved organic carbon removal capacity in overlying water and higher potential of carbon sequestration in sediment at the same *** distinctions between the two habitats were attributed to(1)improved CO_(2)and bicarbonate consumption in water columns via enhancing photosynthesis and(2)inhibited CO_(2)production by reconstructing the benthic microbial *** eco-advantages were found in planted sediments,such as a high potential of methane oxidation and xenobiotics biodegradation and a low risk of becoming black and *** brief,submerged vegetation is beneficial in promoting pollution removal and carbon retention *** study advances our understanding of the feedback between aquatic metabolism and CO_(2)emission.

关键词： Mitigated CO_(2)emission Submerged vegetation Paired O_(2)-CO_(2)departure Carbon uptake velocity Microbial metabolism pathways The Changjiang River

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