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Research progress on metal-organic framework compounds(MOFs)in electrocatalysis

Journal of environmental sciences 2024年第7期141卷 261-276页

作者： Yutong Guo Shunzheng Zhao Xiaolong Tang Honghong Yi Department of Environmental Science and Engineering School of Energy and Environmental EngineeringUniversity of Science and Technology BeijingBeijing 100083China Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants Beijing 100083China

Metal-organic frameworks(MOFs)have favorable characteristics such as large specific surface area,high porosity,structural diversity,and pore surface modification,giving them great potential for development and attractive prospects in the research area of modern materials ***,unsatisfactory catalytic activity and poor electronic conductivity are the main challenges facing *** review focuses on MOF-based materials used in electrocatalysis,based on the types of catalytic reactions that have used MOF-based materials in recent years along with their applications,and also looks at some new electrocatalytic materials and their future development prospects.

关键词： Metal-organic frame compounds Electrocatalysis Oxidation-reduction Nitrogen fixation to synthesize ammonia Carbon dioxide reduction

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Interface compatibility between sulfide solid electrolytes and Ni-rich oxide cathode materials:Factors,modification,perspectives

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Journal of Energy Chemistry 2025年第2期101卷 233-262,I0006页

作者： Tianwen Yang Haijuan Pei Haijian Lv Shijie Lu Qi Liu Daobin Mu Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science an EngineeringBeijing Institute of TechnologyBeijing 100081China State Key Laboratory of Space Power-Sources Technology Shanghai Institute of Space Power-SourcesShanghai 200245China

All-solid-state batteries(ASSBs)assembled with sulfide solid electrolytes(SSEs)and nickel(Ni)-rich oxide cathode materials are expected to achieve high energy density and safety,representing potential candidates for the next-generation energy storage ***,interfacial issues between SSEs and Nirich oxide cathode materials,attributed to space charge layer,interfacial side reactions,and mechanical contact failure,significantly restrict the performances of *** interface degradation is closely related to the components of the composite cathode and the process of electrode *** on the influencing factors of interface compatibility between SSEs and Ni-rich oxide cathode,this article systematically discusses how cathode active materials(CAMs),electrolytes,conductive additives,binders,and electrode fabrication impact the interface *** addition,the strategies for the compatibility modification are ***,the challenges and prospects of intensive research on the degradation and modification of the SSE/Ni-rich cathode material interface are *** review is intended to inspire the development of high-energy-density and high-safety all-solid-state batteries.

关键词： Sulfide solid electrolyte Ni-rich oxide cathode Interface compatibility Influencing factors All-solid-state batteries

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Occurrence and risks of pharmaceuticals,personal care products,and endocrine-disrupting compounds in Chinese surface waters

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Journal of environmental sciences 2024年第12期146卷 251-263页

作者： Yuhang Chen Mengyuan Li Weichun Gao Yinyan Guan Zhineng Hao Jingfu Liu State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China College of Environmental and Chemical Engineering Shenyang University of TechnologyShenyang 110870China College of Environmental Science and Engineering China West Normal UniversityNanchong 637009China School of Environmental Science and Engineering Southern University of Science and TechnologyShenzhen 518055China

The continuous and rapid increase of chemical pollution in surface waters has become a pressing and widely recognized global *** emerging contaminants(ECs)in surface waters,pharmaceutical and personal care products(PPCPs),and endocrine-disrupting compounds(EDCs)have attracted considerable attention due to their wide occurrence and potential threat to human ***,a comprehensive understanding of the occurrence and risks of ECs in Chinese surface waters is urgently *** study summarizes and assesses the environmental occurrence concentrations and ecological risks of 42 pharmaceuticals,15 personal care products(PCPs),and 20 EDCs frequently detected in Chinese surface *** ECs were primarily detected in China’s densely populated and highly industrialized *** detected PPCPs and EDCs had concentrations between ng/L toμg/L,whereas norfloxacin,caffeine,and erythromycin had relatively high contamination levels,even exceeding 2000 ng/*** evaluation based on the risk quotient method revealed that 34 PPCPs and EDCs in Chinese surface waters did not pose a significant risk,whereas 4-nonylphenol,4-tert-octylphenol,17α-ethinyl estradiol,17β-estradiol,and triclocarban *** review provides a comprehensive summary of the occurrence and associated hazards of typical PPCPs and EDCs in Chinese surface waters over the past decade,and will aid in the regulation and control of these ECs in Chinese surface waters。

关键词： Pharmaceuticals and personal care products(PPCPs) Endocrine-disrupting compounds (EDCs) Surface waters Occurrence Risk assessment Prioritization

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A comprehensive review of deactivation and modification of selective catalytic reaction catalysts installed in cement kilns

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Journal of environmental sciences 2025年第2期148卷 451-467页

作者： Yang Zheng Yi Xing Guoliang Li Jiajia Gao Rui Li Qi Liu Tao Yue School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China

After the ultralow emission transformation of coal-fired power plants,cement production became China’s leading industrial emission source of nitrogen *** gas dust contents at the outlet of cement kiln preheaters were as high as 80-100 g/m^(3),and the calcium oxide content in the dust exceeded 60%.Commercial V_(2)O_(5)(-WO_(3))/TiO_(2) catalysts suitable for coal-fired flue gas suffer from alkaline earth metal Ca poisoning of cement kiln flue *** studies have also identified the poisoning of cement kiln selective catalytic reaction(SCR)catalysts by the heavy metals lead and *** of the poisoning process is the primary basis for analyzing the catalytic *** review summarizes and analyzes the SCR catalytic mechanism and chronicles the research progress concerning this poisoning *** on the catalytic and toxification mechanisms,it can be inferred that improving the anti-poisoning performance of a catalyst enhances its acidity,surface redox performance-active catalytic sites,and shell layer *** data provide support in guiding engineering practice and reducing operating costs of SCR ***,future research directions for SCR denitrification catalysts in the cement industry are *** study provides critical support for the development and optimization of poisoning-resistant SCR denitrification catalysts.

关键词： Cement Flue Gas NH_(3)-SCR CaO Poisoning Mechanism Anti-poisoning Modification

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reliability evaluation of PMS considering coupling effect of functional and physical dependency

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Chinese Journal of Aeronautics 2022年第2期35卷 154-163页

作者： Ying CHEN Qichao MA Rui KANG Science and Technology on Reliability and Environmental Engineering Laboratory Beihang UniversityBeijing 100083China Institute of Electronic Engineering China Academy of Engineering PhysicsMianyang 621999China

Aviation and aerospace system are typical Phased-Mission Systems(PMSs)featured with varying configuration,phased load condition and cross phase failure *** coupling effect of Functional Dependency(FDEP)and Physical Dependency(PDEP)has a unique influence on the failure behavior of *** this article,the coupling effect is analyzed,and the degradation of components is modeled with the positive drift wiener process,in which the drift coefficient is related to environmental conditions and operation ***,failure behavior and system reliability are *** avionics controller is studied as a case,with the degradation time distribution model and simulation algorithm,the coupling effect and dynamical system reliability can be *** show that this modeling method can describe the coupling effects of FDEP and PDEP and their influence on the failure behavior and reliability of the PMS system.

关键词： Functional dependency Phased-mission system Physical dependency reliability evaluation Stochastic degradation process

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Electroconductive RGO-MXene membranes with wettabilityregulated channels: improved water permeability and electro-enhanced rejection performance

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Frontiers of environmental science & engineering 2023年第1期17卷 1-11页

作者： Xiaoying Wang Haiguang Zhang Xu Wang Shuo Chen Hongtao Yu Xie Quan Key Laboratory of Industrial Ecology and Environmental Engineering(Ministry of Education) School of Environmental Science and TechnologyDalian University of TechnologyDalian 116024China

Reduced graphene oxide(RGO)membranes are theoretically more conducive to the rapid transport of water molecules in their channels compared with graphene oxide(GO)membranes,as they have fewer oxygen-containing functional groups and more non-oxidized ***,the weak hydrophilicity of RGO membranes inhibits water entry into their channels,resulting in their low water *** this work,we constructed wettable RGO-MXene channels by intercalating hydrophilic MXene nanosheets into the RGO membrane for improving the water *** RGO-MXene composite membrane exhibits high pure water permeance of 62.1 L/(m^(2)·h·bar),approximately 16.8 times that of the RGO membrane(3.7 L/(m^(2)·h·bar)).Wettability test results and molecular dynamics simulations suggest that the improved water permeance results from the enhanced wettability of RGO-MXene membrane and increased rate of water molecules entering the RGOMXene *** from good conductivity,the RGO-MXene membrane with electroassistance exhibits significantly increased rejection rates for negatively charged dyes(from 56.0%at 0 V to 91.4%at 2.0 V for Orange G)without decreasing the permeate flux,which could be attributed to enhanced electrostatic repulsion under electro-assistance.

关键词： Reduced graphene oxide MXene Membrane Water permeance Dye rejection Electro-assistance

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Civil aviation emissions in China in 2019:Characteristics and abatement potential

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Journal of environmental sciences 2025年第5期151卷 225-237页

作者： Haowen An Yu Wang Yaxin Wang Jun Liu Xiaolong Tang Honghong Yi Department of Environmental Engineering School of Energy and Environmental EngineeringUniversity of Science and Technology BeijingBeijing 100083China Key Laboratory of Beijing Municipal Industry Pollutant Resources Processing Beijing 100083China

Civil aviation is one of the industries facing the greatest challenge in reaching carbon neutrality by the middle of this century,and this sector also contributes to adverse impacts on the regional air quality and human *** exhibits the second highest air passenger turnover *** understanding of civil aviation emissionsmust be urgently enhanced,and themitigation potential should be *** this study,on the basis of real domestic flight information for 2019,we built a greenhouse gas and air pollution emission inventory for the civil aviation sector in China with the fuel flowmethod based on the cruise and other *** thoroughly analyzed emissions by region,aircraft and engine types,and aircraft age,based on which we designed four measures to evaluate the abatement *** found that the hydrocarbon(HC),CO,NO_(x),SO_(2),particulate matter(PM)and CO_(2)emissions in 2019 reached 79.9 kt(95%CI[51.6–114.5]),176.3 kt(95%CI[114.5–248.2]),304.2 kt(95%CI[203.4–420.7]),23.2 kt(95%CI[14.2–33.7]),1.0 kt(95%CI[0.61–1.44])and 87.0 Mt(95%CI[57.4–119.6]),*** cruise phase was the major emission phase,accounting for 67%-87%of the total pollutant *** four measures were jointly implemented,the HC,CO,NO_(x),SO_(2),PM and CO_(2)emissions could be reduced by 61%,54%,55%,45%,32%and 38%,*** lower-emission aircraft and switching travel modes could substantially reduce civil aviation emissions in China.

关键词： Emission inventory Fuel flow method Cruise emission Age structure Reduction measures

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Electro-conductive crosslinked polyaniline/carbon nanotube nanofiltration membrane for electro-enhanced removal of bisphenol A

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Frontiers of environmental science & engineering 2023年第5期17卷 81-92页

作者： Haiguang Zhang Lei Du Jiajian Xing Gaoliang Wei Xie Quan Key Laboratory of Industrial Ecology and Environmental Engineering(Ministry of Education) School of Environmental Science and TechnologyDalian University of TechnologyDalian 116024China

Nanofiltration(NF)has attracted increasing attention for wastewater treatment and potable water ***,the high-efficiency removal of micropollutants by NF membranes is a critical *** to the adsorption and subsequent diffusion,some weakly charged or uncharged micropollutants,such as bisphenol A(BPA),can pass through NF membranes,resulting in low removal ***,an effective strategy is proposed to enhance the BPA removal efficiency of a crosslinked polyaniline/carbon nanotube NF membrane by coupling the membrane with *** membrane exhibited a 31.9%removal rate for 5 mg/L BPA with a permeance of 6.8 L/(m2·h·bar),while the removal rate was significantly improved to 98.1%after applying a voltage of 2.0 V to the ***,when BPA coexisted with humic acid,the membrane maintained 94%removal of total organic carbon and nearly 100%removal of BPA at 2.0 V over the entire filtration *** to continuous voltage applied to the membrane,an intermittent voltage(2.0 V for 0.5 h with an interval of 3.5 h)could achieve comparable BPA removal efficiency,because of the combined effect of membrane adsorption and subsequent electrochemical *** functional theory calculations and BPA oxidation process analyses suggested that BPA was adsorbed by two main interactions:π–πand hydrogen-bond *** adsorbed BPA was further electro-degraded into small organic acids or mineralized to CO_(2) and *** work demonstrates that NF membranes coupled with electro-assistance are feasible for improving the removal of weakly charged or uncharged micropollutants.

关键词： Nanofiltration Membrane Electro-assistance Adsorption Bisphenol A

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Prediction model on hydrolysis kinetics of phthalate monoester:A density functional theory study

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Journal of environmental sciences 2024年第1期135卷 51-58页

作者： Tong Xu Jingwen Chen Deming Xia Weihao Tang Jiansheng Cui Chun Liu Shuangjiang Li College of Environmental Science and Engineering Hebei University of Science and TechnologyShijiazhuang 050000China Key Laboratory of Industrial Ecology and Environmental Engineering(Ministry of Education) School of Environmental Science and TechnologyDalian University of TechnologyDalian 116024China National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and ManagementInstitute of Eco-environmental and Soil SciencesGuangdong Academy of SciencesGuangzhou 510650China

As primary degradation products of phthalate esters,phthalate monoesters(MPEs)have been widely detected in various aquatic environments and drawn growing toxicological *** kinetics that is of importance for assessing environmental persistence of chemicals remain elusive for ***,kinetics of base-catalyzed and neutral hydrolysis for 18 MPEs with different leaving groups was investigated by density functional theory *** indicate that MPEs with leaving groups having p Kaof<10 prefer dissociative transition *** are more persistent than their parents,and their hydrolysis half-lives were calculated to vary from 3.4 min to 79.2 years(p H=7–9).A quantitative structure-activity relationship model was developed for predicting the hydrolysis kinetics *** was found that p Kaof the leaving groups and electronegativity of the MPEs are key factors determining the hydrolysis *** work may lay a theoretical foundation for better understanding the chemical process that governs MPE persistence in aquatic environments.

关键词： Phthalate monoesters Phthalate esters Hydrolysis Density functional theory Quantitative structure-activity relationship

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Effects of triclosan adsorption on intestinal toxicity and resistance gene expression in Xenopus tropicalis with different particle sizes of polystyrene

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Journal of environmental sciences 2024年第12期146卷 176-185页

作者： Zhuo Dai Zikai Wang Xinying Pan Li Zheng Yanbin Xu Qingxia Qiao Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control Guangzhou Key Laboratory Environmental Catalysis and Pollution ControlInstitute of Environmental Health and Pollution ControlCollege of Environmental Science and EngineeringGuangdong University of TechnologyGuangzhou 510006China

Microplastics(MPs)are commonly found with hydrophobic contaminants in the water column and pose a serious threat to aquatic *** effects of polystyrene microplastics of different particle sizes on the accumulation of triclosan in the gut of Xenopus tropicalis,its toxic effects,and the transmission of resistance genes were *** results showed that co-exposure to polystyrene(PS-MPs)adsorbed with triclosan(TCS)caused the accumulation of triclosan in the intestine with the following accumulation capacity:TCS+5μm PS group>TCS group>TCS+20μm PS group>TCS+0.1μm PS *** experimental groups showed increased intestinal inflammation and antioxidant enzyme activity after 28 days of exposure to PS-MPs and TCS of different particle *** TCS+20μm PS group exhibited the highest upregulated expression of pro-inflammatory factors(IL-10,IL-1β).The TCS+20μm group showed the highest increase in enzyme activity compared to the control ***-MPs and TCS,either alone or together,altered the composition of the intestinal microbial *** addition,the presence of more antibiotic resistance genes than triclosan resistance genes significantly increased the expression of tetracycline resistance and sulfonamide resistance genes,which may be associated with the development of intestinal inflammation and oxidative *** study refines the aquatic ecotoxicity assessment of TCS adsorbed by MPs and provides informative information for the management and control of microplastics and non-antibiotic bacterial inhibitors.

关键词： Polystyrene Triclosan Xenopus-tropicalis Resistance genes Gut community

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