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Health benefits from the rapid reduction in ambient exposure to air pollutants after China's clean air actions:progress in efficacy and geographic equality

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National Science Review 2024年第2期11卷 103-113页

作者： Tao Xue Ruohan Wang Meng Wang Yanying Wang Dan Tong Xia Meng Conghong Huang Siqi Ai Fangzhou Li Jingyuan Cao Mingkun Tong Xueqiu Ni Hengyi Liu Jianyu Deng Hong Lu Wei Wan Jicheng Gong Shiqiu Zhang Tong Zhu Institute of Reproductive and Child Health National Health Commission Key Laboratory of Reproductive Health/Department of Epidemiology and Biostatistics Ministry of Education Key Laboratory of Epidemiology of Major Diseases(PKU) School of Public Health Peking University Health Science Centre State Environmental Protection Key Laboratory of Atmospheric Exposure and Health Risk Management and Center for Environment and Health Peking University Advanced Institute of Information Technology Peking University Department of Epidemiology and Environmental Health School of Public Health and Health ProfessionsUniversity at Buffalo State Key Joint Laboratory of Environment Simulation and Pollution Control College of Environmental Sciences and EngineeringPeking University Department of Earth System Science Tsinghua University School of Public Health Key Laboratory of Public Health Safety of the Ministry of Education and Key Laboratory of Health Technology Assessment of the Ministry of HealthFudan University College of Land Management Nanjing Agricultural University National&Local Joint Engineering Research Center for Rural Land Resources Use and Consolidation Clean Air Asia

Clean air actions （CAAs） in China have been linked to considerable benefits in public ***,whether the beneficial effects of CAAs are equally distributed geographically is *** high-resolution maps of the distributions of major air pollutants (fine particulate matter[PM2.5]and ozone[O3]) and population,we aimed to track spatiotemporal changes in health impacts from,and geographic inequality embedded in,the reduced exposures to PM2.5and O3from 2013 to *** used a method established by the Global Burden of Diseases *** analyzing the changes in loss of life expectancy（LLE） attributable to PM2.5and O3,we calculated the gain of life expectancy （GLE） to quantify the health benefits of the air-quality ***,we assessed the geographic inequality embedded in the GLE using the Gini index （GI）.Based on risk assessments of PM2.5and O3,during the first stage of CAAs（2013 to 2017）,the mean GLE was 1.87 *** of the sum of the GLE was disproportionally distributed in about one quarter of the population exposed （GI 0.44）.During the second stage of CAAs（2017 to 2020）,the mean GLE increased to 3.94 months and geographic inequality decreased （GI 0.18）.According to our assessments,CAAs were enhanced,from the first to second stages,in terms of not only preventing premature mortality but also ameliorating health *** enhancements were related to increased sensitivity to the health effects of air pollution and synergic control of PM2.5and *** findings will contribute to optimizing future CAAs.

关键词： clean air action public health inequality fine particulate matter ozone

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Removing microplastics from aquatic environments:A critical review

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environmental Science and Ecotechnology 2023年第1期13卷 37-53页

作者： Yusheng Pan Shu-Hong Gao Chang Ge Qun Gao Sijing Huang Yuanyuan Kang Gaoyang Luo Ziqi Zhang Lu Fan Yongming Zhu Ai-Jie Wang School of Chemistry and Chemical Engineering Harbin Institute of TechnologyHarbin150090China State Key Laboratory of Urban Water Resource and Environment School of Civil&Environmental EngineeringHarbin Institute of Technology ShenzhenShenzhen518055China State Key Joint Laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing100084China Department of Ocean Science and Engineering Southern University of Science and TechnologyShenzhenChina Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) GuangzhouChina Key Laboratory of Environmental Biotechnology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing100085China

As one of the typical emerging contaminants,microplastics exist widely in the environment because of their small size and recalcitrance,which has caused various ecological *** paper summarizes current adsorption and removal technologies of microplastics in typical aquatic environments,including natural freshwater,marine,drinking water treatment plants(DWTPs),and wastewater treatment plants(WWTPs),and includes abiotic and biotic degradation technologies as one of the removal ***,numerous studies have shown that enrichment technologies have been widely used to remove microplastics in natural freshwater environments,DWTPs,and *** removal of microplastics via WWTPs is critical to reduce the release to the natural environment as a key connection point to prevent the transfer of microplastics from society to natural water *** technology has outstanding pre-degradation effects on microplastics,and the isolated microbial strains or enriched communities can degrade up to 50%or more of pre-processed ***,more research focusing on microplastic degradation could be carried out by combining physical and chemical pretreatment with subsequent microbial *** addition,the current recovery technologies of microplastics are introduced in this *** is incredibly challenging because of the small size and dispersibility of microplastics,and the related technologies still need further *** paper will provide theoretical support and advice for preventing and controlling the ecological risks mediated by microplastics in the aquatic environment and share recommendations for future research on the removal and recovery of microplastics in various aquatic environments,including natural aquatic environments,DWTPs,and WWTPs.

关键词： Aquatic environment Enrichment and removal Microplastics Wastewater treatment plants

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Degradation kinetics and disinfection by-products formation of benzophenone-4 during UV/persulfate process

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environmental Technology (United Kingdom) 2024年第26期45卷 5618-5629页

作者： Hu, Chen-Yan Xiong, Cun Lin, Yi-Li Zhang, Tian-Yang College of Environmental and Chemical Engineering Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems Shanghai University of Electric Power Shanghai China Shanghai Institute of Pollution Control and Ecological Security Shanghai China Department of Safety Health and Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung Taiwan State Key Laboratory of Pollution Control and Resources Reuse Key Laboratory of Yangtze Water Environment Ministry of Education College of Environmental Science and Engineering Tongji University Shanghai China

The degradation kinetics, reaction pathways, and disinfection by-products formation of an organic UV filter, benzophenone-4 (BP4) during UV/persulfate oxidation were investigated. BP4 can hardly be degraded by UV alone, but can be effectively decomposed by UV/persulfate following pseudo-first order kinetics. BP4 degradation rate was enhanced with increasing persulfate dosage and decreasing pH from 8 to 5. However, the degradation rate of BP4 at pH 9 was higher than that at pH 8 because of the presence of phenolic group in BP4 structure. and (Formula presented.) were confirmed as the major contributors to BP4 decomposition in radical scavenging experiments, and the second-order rate constants between (Formula presented.) and BP4 as well as those between (Formula presented.) and BP4 were estimated by establishing and solving a kinetic model. The presence of (Formula presented.) and humic acid inhibited the decomposition of BP4, while (Formula presented.) promoted it. The mineralisation of BP4 was only 9.1% at the persulfate concentration of 50 μM. Six degradation intermediates were identified for the promulgation of the reaction pathways of BP4 during UV/persulfate oxidation were proposed as a result. In addition, the formation of DBP in the sequential chlorination was evaluated at different persulfate dosages, pH values, and water matrix. The results of this study can provide essential knowledge for the effective control of DBP formation with reducing potential hazard to provide safe drinking water to the public. © 2023 Informa UK Limited, trading as Taylor & Francis Group.

关键词： Rate constants

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Synergistic PM_(2.5)and O_(3)control to address the emerging global PM_(2.5)-O_(3)compound pollution challenges

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Eco-environment & Health 2024年第3期3卷 325-337页

作者： Chao He Jianhua Liu Yiqi Zhou Jingwei Zhou Lu Zhang Yifei Wang Lu Liu Sha Peng College of Resources and Environment Yangtze UniversityWuhan 430100China Hubei Key Laboratory of Petroleum Geochemistry and Environment Yangtze UniversityWuhan 430100China School of Geography and Ocean Science Nanjing UniversityNanjing 210023China Hydrology and Environmental Hydraulics Group Wageningen University and ResearchWageningen 6700 HBthe Netherlands State Key Laboratory of Freshwater Ecology and Biotechnology Institute of HydrobiologyChinese Academy of SciencesWuhan 430072China State Key Joint Laboratory for Environmental Simulation and Pollution Control School of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China State Key Laboratory of Pollution Control and Resource Reuse School of EnvironmentNanjing UniversityNanjing 210023China Collaborative Innovation Center for Emissions Trading System Co-constructed by the Province and Ministry Hubei University of EconomicsWuhan 430205China

In recent years,the issue of PM_(2.5)-O_(3)compound pollution has become a significant global environmental *** study examines the spatial and temporal patterns of global PM_(2.5)-O_(3)compound pollution and exposure risks,firstly at the global and urban scale,using spatial statistical regression,exposure risk assessment,and trend analyses based on the datasets of daily PM_(2.5)and surface O_(3)concentrations monitored in 120 cities around the world from 2019 to ***,on the basis of the common emission sources,spatial heterogeneity,interacting chemical mechanisms,and synergistic exposure risk levels between PM_(2.5)and O_(3)pollution,we proposed a synergistic PM_(2.5)-O_(3)control framework for the joint control of PM_(2.5)and *** results indicated that:(1)Nearly 50%of cities worldwide were affected by PM_(2.5)-O_(3)compound pollution,with China,South Korea,Japan,and India being the global hotspots for PM2.5-O3 compound pollution;(2)Cities with PM_(2.5)-O_(3)compound pollution have exposure risk levels dominated by ST t ST(Stabilization)and ST t HR(High Risk).Exposure risk levels of compound pollution in developing countries are significantly higher than those in developed countries,with unequal exposure characteristics;(3)The selected cities showed significant positive spatial correlations between PM_(2.5)and O_(3)concentrations,which were consistent with the spatial distribution of the precursors NOx and VOCs;(4)During the study period,52.5%of cities worldwide achieved synergistic reductions in annual average PM_(2.5)and O_(3)*** average PM_(2.5)concentration in these cities decreased by 13.97%,while the average O_(3)concentration decreased by 19.18%.This new solution offers the opportunity to construct intelligent and healthy cities in the upcoming low–carbon transition.

关键词： PM_(2.5)-O_(3)compound pollution Population exposure risk Spatial correlation Synergistic treatment potential

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Critical review of perovskites-based advanced oxidation processes for wastewater treatment: Operational parameters, reaction mechanisms,and prospects

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Chinese Chemical Letters 2022年第2期33卷 643-652页

作者： Ruicheng Ji Jiabin Chen Tongcai Liu Xuefei Zhou Yalei Zhang State Key Laboratory of Pollution Control and Resources Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China Key Laboratory of Yangtze Water Environment for Ministry of Education College of Environmental Science and EngineeringTongji UniversityShanghai 200092China Shanghai Institute of Pollution Control and Ecological Security Tongji UniversityShanghai 200092China

In the field of advanced oxidation processes(AOPs) of wastewater, many materials can be used as heterogeneous catalysts. The role of these catalysts is to activate oxidants and generate reactive oxygen species(ROS) to decompose refractory pollutants. Perovskite oxide, an emerging catalyst in the field of AOPs, has been extensively studied in wastewater treatment. Nevertheless, the application of perovskite in AOP systems still faces some problems, such as leaching of metal ions, a small surface area, a low number of active sites, etc. Herein, this critical review comparatively examines the activation mechanisms of peroxymonosulfate, hydrogen peroxide, and peroxydisulfate. Furthermore, the formation pathways of oxidizing species based on recent advances in experimental and theoretical studies were evaluated. In addition, the impacts of water parameters and constituents such as initial p H, oxidant concentration, catalyst dosage,natural organic matter, halide, phosphate, and carbonate were discussed. Finally, a critical discussion and prospects of mechanism exploration and possible materials development are proposed to confront the existing challenges in the application of perovskite oxides in AOPs.

关键词： Perovskite Advanced oxidation processes Wastewater Peroxide Free radical

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Tuning interfacial charge transfer for efficient visible-light-driven photodegradation and simultaneous H_(2)evolution

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Journal of Materials Science & Technology 2024年第1期168卷 35-49页

作者： Zhiyang Li Yaogang Chen Yinghe Zhang Wei Ai Qian Lei Tingjun Yao Dan Zhong Wenjie Liu Wenbiao Jin Lei Yang State Key Laboratory of Urban Water Resource and Environment Shenzhen Key Laboratory of Organic Pollution Prevention and ControlSchool of Civil and Environmental EngineeringHarbin Institute of Technology ShenzhenShenzhen 518055China Key Laboratory of Northwest Water Resources Environment and EcologyMinistry of EducationSchool of Environmental and Municipal EngineeringXi’an University of Architecture and TechnologyXi’an 710055China CNAS Accredited Test Center Guangdong Engineering Technology Research Center of Air PurificationHealthlead Co.Ltd.Shenzhen 518055China School of Science Harbin Institute of Technology ShenzhenShenzhen 518055China

The edge-graphitized carbon nitride(C_(3)N_(4)-C g)was prepared by secondary pyrolysis to construct ZnO/C_(3)N_(4)-C g(ZCN)type-Ⅱheterojunction photocatalyst via a facile sonication dispersion method,which achieved∼7.04-fold and∼18.3-fold enhanced visible-light-driven photocatalytic performance for refrac-tory micropollutant removal and simultaneous hydrogen(H_(2))evolution respectively compared to con-ventional ZnO/g-C_(3)N_(4)Step-scheme *** apparent quantum efficiency of the ZCN_(0.4)het-erojunction reaches 0.92%(λ=420 nm).Such excellent performance stems from that the edge-graphene moieties stitched onto the interface of heterojunction extend light absorption to the full visible spec-trum,meanwhile,the built-in electric field generated during Fermi level alignment accompanying fa-vorable band-bending structure provides an effective pathway for the rapid migration of photoinduced electrons via the edge graphene channel to improve interfacial charge separation ***,the midgap states introduced in ZCN heterojunction could temporarily retain photoexcited electrons to effectively inhibit the in situ carrier recombination for improved photocatalytic H_(2)***,ZCN/peroxymonosulfate system exhibited excellent anti-interference performance against complex water bodies under visible illumination due to the synergistic effect between the co-existing anions and organic ***,the eco-friendly nature of the ZCN/peroxymonosulfate system showed no biotoxicity of reaction filtrate on cell proliferation after treatment,which avoided secondary ***-ering the outstanding performance in photocatalysis,the ZCN system exhibits broad potential for practical applications in water pollution control and green energy production.

关键词： ZnO C_(3)N_(4)-C g Heterojunction Photodegradation Hydrogen evolution

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Insights into Mn Loaded Carbon-Silica-Membrane for Highly Efficient Heterogeneous Catalytic Ozonation: Performance and Catalytic Mechanism

SSRN

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SSRN 2023年

作者： Chen, Shuning Ren, Tengfei Zhou, Zuoyong Lu, Kechao Huang, Xia Zhang, Xiaoyuan State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing100084 China

Heterogeneous catalytic ozonation (HCO) is a promising technology for advanced wastewater treatment and water reuse. The efficient decomposition of O3 into reactive oxygen species (ROS) and easy recycling capability are essential for HCO catalysts. In this work, Mn loaded Carbon-Silica-Membrane (Mn-CSM) has been designed and synthesized by electrospinning for HCO process. The high specific surface area and abundant pore size distribution of Mn-CSM elevated the exposure of active sites. The packed reactor construction promoted the utilization of O3. The experiments verify the Mn-CSM HCO process is effective for oxalate removal and coal gasification wastewater treatment, which is essential for water reuse. 93% of oxalate was degraded through Mn-CSM HCO process in 60 min, while the effluent of coal gasification wastewater after HCO treatment decreased from 105 mg L⁻1 to 42 mg L⁻1 in 60 min. The results also showed that the Mn-CSM HCO had a great removal rate for fluorescent components and other dissolved organic matters such as proteins and humic acids. Furthermore, multiple-cycle experiment demonstrated the higher mechanical stability of Mn-CSM in comparison with Mn loaded Carbon-Membrane (Mn-CM). The introduction of SiO2 particles in the carbon fibers were proven to promote the distribution of fluid flow field through Computational Fluid Dynamics (CFD) simulation. The separation of hydrophobic and hydrophilic substances in the wastewater proved that Mn-CSM HCO process had a higher removal for hydrophilic substance due to the higher hydrophilicity brought up by SiO2 particles. This study provides evidence that the packed membrane structure Mn-CSM for HCO process is a prospective catalyst for its high catalytic activity, stability and recyclable capability. © 2023, The Authors. All rights reserved.

关键词： Wastewater treatment

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Enhanced methane production during long-term UASB operation at high organic loads as enabled by the immobilized Fungi

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Frontiers of environmental Science & Engineering 2022年第6期16卷 47-59页

作者： Qiong Guo Zhichao Yang Bingliang Zhang Ming Hua Changhong Liu Bingcai Pan State Key Laboratory of Pollution Control and Resource Reuse School of EnvironmentNanjing UniversityNanjing 210023China Research Center for Environmental Nanotechnology(ReCENT) Nanjing UniversityNanjing 210023China School of Life Sciences Nanjing UniversityState Key Laboratory of Pharmaceutical BiotechnologyNanjing 210023China

Anaerobic digestion is widely applied in organic wastewater treatment coupled with bioenergy production,and how to stabilize its work at the high organic loading rate(OLR)remains a ***,we proposed a new strategy to address this issue via involving the synergetic role of the Aspergillus sydowii 8L-9-F02 immobilized beads(AEBs).A long-term(210-day)continuous-mode operation indicated that the upflow anaerobic sludge bed(UASB)reactor(R1,with AEBs added)could achieve the OLR as high as 25.0 kg/(m^(3)×d),whereas the control reactor(R0,with AEBs free)could only tolerate the maximum OLR of 13.3 kg/(m^(3)×d).Remarkably,much higher COD removal(85.9%vs 23.9%)and methane production(5.4 m^(3)/(m^(3)×d)vs 2.2 m^(3)/(m^(3)×d))were achieved in R1 than R0 at the OLR of 25.0 kg/(m^(3)×d).Such favorable effect results from the facts that fungi inhibit VFAs accumulation,favor the pH stabilization,promote the generation of more extracellular polymeric substance,and enhance the sludge granulation and ***,fungi may enhance the secretion of acetyl-coenzyme A,a key compound in converting organic matters to CO_(2).In addition,fungi are favorable to enrich methanogenic archaea even at high OLR,improving the activity of acetate kinase and coenzyme F_(420) for more efficient methanogenic *** work may shed new light on how to achieve higher OLR and methane production in anaerobic digestion of wastewater.

关键词： Anaerobic digestion Fungi Methane production High OLR Microbial community

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Progress in quantitative research on the relationship between atmospheric oxidation and air quality

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Journal of environmental Sciences 2023年第1期123卷 350-366页

作者： Yuesi Wang Xin Jin Zirui Liu Gehui Wang Guiqian Tang Keding Lu Bo Hu Shanshan Wang Guohui Li Xinqin An Chao Wang Qihou Hu Lingyan He Fenfen Zhang Yuanhang Zhang State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry(LAPC) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China College of Earth and Planetary Sciences University of Chinese Academy of SciencesBeijing 100049China 3 State Key Joint Laboratory or Environmental Simul ation and Pollution Control College of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China State Key Joint Laboratory of Environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China Key Lab of Geophysical Information System of the Ministry of Education School of Geographic SciencesEast China Normal UniversityShanghai 200241China Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention(LAP3) Department of Environmental Science and EngineeringFudan UniversityShanghai 201203China Key Lab of Aerosol Chemistry and Physics State Key Laboratory of Loess and Quaternary GeologyInstitute of Earth EnvironmentChinese Academy of SciencesXi’an 710061China Institute of Atmospheric Composition and Environmental Meteorology Chinese Academy of Meteorological SciencesBeijing 100081China Key Lab of Environmental Optics and Technology Anhui Institute of Optics and Fine MechanicsHefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China

Atmospheric oxidizing capacity(AOC)is an essential driving force of troposphere chemistry and self-cleaning,but the definition of AOC and its quantitative representation remain *** by national demand for air pollution control in recent years,Chinese scholars have carried out studies on theories of atmospheric chemistry and have made considerable progress in AOC *** paper will give a brief review of these ***,AOC indexes were established that represent apparent atmospheric oxidizing ability(AOIe)and potential atmospheric oxidizing ability(AOIp)based on aspects of macrothermodynamics and microdynamics,respectively.A closed study refined the quantitative contributions of heterogeneous chemistry to AOC in Beijing,and these AOC methods were further applied in Beijing-Tianjin-Hebei and key areas across the *** addition,the detection of ground or vertical profiles for atmospheric OH·,HO_(2)·,NO_(3)·radicals and reservoir molecules can now be obtained with domestic instruments in diverse ***,laboratory smoke chamber simulations revealed heterogeneous processes involving reactions of O_(3)and NO_(2),which are typical oxidants in the surface/interface atmosphere,and the evolutionary and budgetary implications of atmospheric oxidants reacting under multispecies,multiphase and multi-interface conditions were ***,based on the GRAPES-CUACE adjoint model improved by Chinese scholars,simulations of key substances affecting atmospheric oxidation and secondary organic and inorganic aerosol formation have been *** numerical simulations of AOIe and AOIp were performed,and regional coordination of AOC was *** optimized plan for controlling O_(3)and PM2.5was analyzed by scenario simulation.

关键词： Atmospheric oxidizing capacity(AOC) Quantitative index Free radicals Observation and modeling Air quality

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Integration of Strong Oxide-Support Interaction and Mesoporous Confinement to Engineer Efficient and Durable Zr/Al2O3 for Catalytic Solvent Regeneration in CO2 Capture

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SSRN 2023年

作者： Li, Junhua Chen, Zhen Xing, Leixing Zhan, Guoxiong Huang, Zhoulan Bai, Xinhao Wang, Rong Peng, Yue State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing100084 China

Catalytic solvent regeneration is considered a promising solution to address the high heat duty of amine-based CO2 capture, urgently requiring for acid catalysts with strong activity and durability for practice application. In this work, feasible Zr/Al2O3 catalysts was proposed by incorporating well-distributed zirconia (ZrO2) nanoparticles within mesoporous alumina to construct stable active sites through mesoporous confinement and the strong metal oxide-support interaction. Performance experiments showed that the maximum carbamate decomposition desorption rate using Zr/Al2O3 increased by 178% compared to the catalyst-free case, resulting in approximately 27% lower relative heat duty. Bench-scale testing with continuous CO2 absorption and desorption demonstrated an optimized capture efficiency of 54.2% achievable with pelletized Zr/Al2O3, which was 12.5% higher than the blank case during the 11-h continuous testing. A 4-weeks hydrothermal testing indicated that the catalysts had minimal impact on solvent degradation, confirming the excellent adaptability of Zr/Al2O3 in an alkaline amine-based solvent for CO2 capture. © 2023, The Authors. All rights reserved.

关键词： Aluminum oxide

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