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High-efficiency Fe(III)-doped ultrathin VO_(2)nanobelts boosted peroxydisulfate activation for actual antibiotics photodegradation

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Chinese Chemical Letters 2025年第3期36卷 199-205页

作者： Shukun Le Peng Wang Yuhao Liu Mutao Xu Quansheng Liu Qijie Jin Jie Miao Chengzhang Zhu Haitao Xu Inner Mongolia Key Laboratory of High-Value Functional Utilization of Low Rank Carbon Resources Chemical Engineering CollegeInner Mongolia University of TechnologyHohhot 010050China School of Environmental Science and Engineering Nanjing Tech UniversityNanjing 210009China Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science MOEQingdao University of Science and TechnologyQingdao 266042China

It has been challenging for Fe(III)regeneration in Fe-based photocatalysts for continuous peroxydisulfate(PDS)activation due to the lower ability to reduce Fe(III).In this work,Fe-doped ultrathin VO_(2)(Fe-VO_(2))nanobelts were synthesized for purifying metronidazole(MNZ)via PDS *** an efficient Fentonlike catalyst for PDS activation,2 wt%Fe-doped VO_(2)can remove 98%of MNZ within 40 min and exhibits impressive *** synergistic effect of Fe-VO_(2)and Fe(III)activated PDS boosted the photocatalytic ***,SO_(4)•^(−),h+,O_(2)•^(−),^(1)O_(2),and•OH were the main reactive *** effects of initial MNZ concentration,Fe-VO_(2),PDS dosage,and various anions/cations on MNZ removal by the Fe-VO_(2)/PDS/Vis system were *** intermediates of MNZ degradation and possible pathways were determined by density function theory(DFT)calculations and *** study provided a sustainable technology using Fe-doped ultrathin VO_(2)nanobelts for photocatalytic PDS activation and decontamination of pharmaceutical wastewater.

关键词： Fe-doped VO_(2)nanobelts Photodegradation Persulfate activation Antibiotics removal Bimetallic cycle

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The Approach of Equipment Degradation Processes Considering Self-Recovery Characteristics 14

The Approach of Equipment Degradation Processes Considering ...

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14th International Conference on reliability, Maintainability and Safety, ICRMS 2023

作者： Zhou, Weixuan Lv, Chuan Geng, Jie Jin, Yuxue Zhang, Miao Gao, Zhuoying School of Reliability and Systems Engineering Beihang University Beijing China State Key Laboratory of Virtual Reality Technology and System Beihang University Beijing China Key Laboratory of Reliability and Environmental Engineering Beihang University Beijing China

ISBN: (纸本)9798350329988

Recent research in the process of equipment state evolution emphasizes the comprehensive consideration of the event process. However, the process does not consider the self-recovery capability of equipment in detail. In view of this problem, a detailed explanation of the self-recovery characteristics is given. Subsequently, a self-recovery model for equipment is established. Furthermore, the degradation process considering self-recovery is established. Finally, a numerical analysis is carried out to give the degradation process curve with self-recovery characteristics. The result shows that the degradation process can reflect the state evolution process more comprehensively for the equipment with self-recovery capability. © 2023 IEEE.

关键词： Degradation process Gamma process Self-recovery Shock process

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Cerium valence state conversion:Fabrication and environmental remediation of modified CeO_(2)materials

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Journal of Rare Earths 2025年第3期43卷 430-440,I0001页

作者： Jia'ao Han Quansheng Liu Haitao Xu Yang Wu Shukun Le Chengzhang Zhu Inner Mongolia Key Laboratory of High-Value Functional Utilization of Low Rank Carbon Resources Chemical Engineering CollegeInner Mongolia University of TechnologyHohhot010050China School of Environmental Science and Engineering Nanjing Tech UniversityNanjing210009China National Observation and Research Station of Coastal Ecological Environments in Macao Macao Environmental Research InstituteMacao University of Science and TechnologyMacao SAR999078China Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science MOEQingdao266042China

Rare earth elements are highly applicable in photocatalysis due to their partially filled 4f orbitals,existing in electronic structures that facilitate the transfer of electrons during the reaction *** these materials,CeO_(2)has a distinctive external electronic structure(4f^(1)5d^(1)6s^(2)),abundant oxygen vacancies,and strong conversion ability of Ce^(4+)/Ce^(3+),which makes it an attractive candidate in the field of *** broaden its practical applications in the visible region,the drawbacks of a wide band gap and a slow Ce^(4+)/Ce^(3+)cycle have been addressed through the modification of CeO_(2),thereby accelerating light absorption and self-circulation,and enhancing photocatalytic *** paper presents a review of the preparation of modified CeO_(2)catalysts and their application in the conversion of cerium valence state in the photocatalytic degradation of pollutants in ***,this paper presents a summary of the most recent development and current challenges,as well as prospect for the application of modified CeO_(2)-based materials.

关键词： Rare earths Modified CeO_(2) Ce^(4+)/Ce^(3+)pairs Photoactivity environmental remediation

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Source identification and prediction of nitrogen and phosphorus pollution of Lake Taihu by an ensemble machine learning technique

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Frontiers of environmental science & engineering 2023年第5期17卷 27-40页

作者： Yirong Hu Wenjie Du Cheng Yang Yang Wang Tianyin Huang Xiaoyi Xu Wenwei Li CAS Key Laboratory of Urban Pollutant Conversion Department of Environmental Science and EngineeringUniversity of Science and Technology of ChinaHefei 230026China School of Software Engineering University of Science and Technology of ChinaHefei 230026China USTC-CityU Joint Advanced Research Center Suzhou Institute for Advanced Research of USTCSuzhou 215123China National and Local Joint Engineering Laboratory for Municipal Sewage Resource Utilization Technology Suzhou University of Science and TechnologySuzhou 215009China

Effective control of lake eutrophication necessitates a full understanding of the complicated nitrogen and phosphorus pollution sources,for which mathematical modeling is commonly *** contrast to the conventional knowledge-based models that usually perform poorly due to insufficient knowledge of pollutant geochemical cycling,we employed an ensemble machine learning(ML)model to identify the key nitrogen and phosphorus sources of *** ML models were developed based on 13 years of historical data of Lake Taihu’s water quality,environmental input,and meteorological conditions,among which the XGBoost model stood out as the best model for total nitrogen(TN)and total phosphorus(TP)*** results suggest that the lake TN is mainly affected by the endogenous load and inflow river water quality,while the lake TP is predominantly from endogenous *** prediction of the lake TN and TP concentration changes in response to these key feature variations suggests that endogenous source control is a highly desirable option for lake eutrophication ***,one-month-ahead prediction of lake TN and TP concentrations(R2 of 0.85 and 0.95,respectively)was achieved based on this model with sliding time window lengths of 9 and 6 months,*** work demonstrates the great potential of using ensemble ML models for lake pollution source tracking and prediction,which may provide valuable references for early warning and rational control of lake eutrophication.

关键词： Eutrophication Machine learning Water quality Nutrients Prediction

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Impact of wastewater treatment plant effluent discharge on the antibiotic resistome in downstream aquatic environments:a mini review

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Frontiers of environmental science & engineering 2024年第3期18卷 131-141页

作者： Zhiguo Su Lyujun Chen Donghui Wen School of Environment Tsinghua UniversityBeijng 100084China 2 Zhejiang Provincial Key Laboratory of Water Science and Technology Department of Environmental Technology and EcologyYangtze Delta Region Institute of Tsinghua UniversityJiaxing 314050China College of Environmental Sciences and Engineering Peking UniversityBeijing 100871China

Antimicrobial resistance(AMR)has emerged as a significant challenge in human *** treatment plants(WWTPs),acting as a link between human activities and the environment,create ideal conditions for the selection and spread of antibiotic resistance genes(ARGs)and antibioticresistant bacteria(ARB).Unfortunately,current treatment processes are ineffective in removing ARGs,resulting in the release of large quantities of ARB and ARGs into the aquatic environment through WWTP ***,in turn,leads to their dispersion and potential transmission to human through water and the food *** safeguard human and environmental health,it is crucial to comprehend the mechanisms by which WWTP effluent discharge influences the distribution and diffusion of ARGs in downstream *** this study,we examine the latest researches on the antibiotic resistome in various waterbodies that have been exposed to WWTP effluent,highlighting the key influencing ***,recommendations for future research and management strategies to control the dissemination of ARGs from WWTPs to the environment are provided,with the aim to achieve the“One Health”objective.

关键词： Antibiotic resistance genes(ARGs) Wastewater treatment plants(WWTPs) Effluent-receiving waterbodies environmental risk Influencing mechanism

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Piezoelectric-enhanced BiOBr/UiO-66-NH_(2)(Hf)photocatalysts for purification of mixed pollutants

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science China(Technological sciences) 2025年第5期68卷 87-101页

作者： Tingting YU Chenyu YANG Ran DENG Yonghang ZHANG Jiajun LI Tao YANG Jizhou JIANG School of Environmental and Chemical Engineering Jiangsu Ocean UniversityLianyungang 222005China School of Materials Science and Engineering Key Laboratory of Green Chemical Engineering Process of Ministry of EducationEngineering Research Center of Phosphorus Resources Development and Utilization of Ministry of EducationWuhan Institute of TechnologyWuhan 430205China

The simultaneous purification of multiple mixed pollutants holds significant practical value in addressing the growing environmental challenges of *** this work,UiO-66-NH_(2)(Hf)octahedrons were successfully synthesized and grown on BiOBr nanosheets to form a novel heterojunction,BiOBr/UiO-66-NH_(2)(Hf).This BiOBr/UiO-66-NH_(2)(Hf)heterojunction exhibits enhanced photocatalytic degradation and reduction ***,the degradation rate of tetracycline hydrochloride(TC)reached 84.8%,while the reduction efficiency of Cr(VI)approached 100%,demonstrating the material’s effectiveness in simultaneously purifying mixed ***,when ultrasonic force was applied,the degradation rate of TC increased from 57.1%to 84.8%,and the reduction rate of Cr(VI)improved from 73.5%to 100%.These results highlight the material’s excellent piezoelectric properties,which were confirmed through density functional theory calculations and piezoresponse force *** work introduces a novel piezoelectric-coupled photocatalyst that offers a new strategy for the efficient purification of mixed ***,it demonstrates that TC can promote the reduction of Cr(VI)in place of hole quenchers,while simultaneously undergoing *** approach reveals promising prospects for the effective removal of mixed pollutants.

关键词： piezoelectric effect tetracycline hydrochloride photocatalytic degradation Cr(VI)reduction mixed pollutant purification

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Experimental investigation about the incipient velocity of spherical particles on a hemispherical bed surface

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Particuology 2024年第5期88卷 49-61页

作者： Chuannan Li Jie Chen Changbo Jiang Xie Li Zhiyuan Wu School of Hydraulic and Environmental Engineering Changsha University of Science & TechnologyChangsha 410114China Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province Changsha 410114China Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province Changsha 410114China

The sediment particles play a huge role in shaping the bed load *** this research,240 water-tunnel experiments are carried out to investigate the incipient velocity of the observation particles in two particle *** accurately predict the incipient velocity of the observation particles,the equation is conceived by the rolling instability *** incipient velocity equations and experimental data are used to analyze the trend of dispersive pressure and the effect of arrangement position on *** find that it is appropriate to choose the coefficient of drag as 0.261 and the coefficient of lift as 0.198 for the incipient velocity equation of spherical particles on the hemispherical bed ***,the dispersive pressure is closely related to the flow state,particle size,and particle arrangement,which leads to the incipient velocity of the observation particle being at a minimum when the interference particle angle is 45°.Finally,the particle spacing and the projected area changed with the arrangements,directly affecting the incipient velocity of the observed *** analysis of four aspects for the coefficients,dispersive pressure,different particle spacing,and projected area will facilitate the prediction of particle incipient velocity,especially on hemispherical beds.

关键词： Hemispherical bed surface Observed particle Interference particle Dispersive pressure Incipient velocity

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Density functional theory calculations on 2H-MoS_(2) monolayer for HCHO degradation:Piezoelectric-photocatalytic synergy

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Chinese Chemical Letters 2023年第5期34卷 337-342页

作者： Yushan Zhu Weina Zhao Binghua Jing Junhui Zhou Bihai Cai Didi Li Zhimin Ao Guangzhou Key Laboratory Environmental Catalysis and Pollution Control Guangdong Key Laboratory of Environmental Catalysis and Health Risk ControlSchool of Environmental Science and EngineeringInstitute of Environmental Health and Pollution ControlGuangdong University of TechnologyGuangzhou 510006China Department of Civil and Environmental Engineering The Hong Kong University of Science and TechnologyKowloonHong Kong 99977China Advanced Interdisciplinary Institute of Environment and Ecology Beijing Normal UniversityZhuhai 519087China

Formaldehyde(HCHO)is a common indoor gaseous pollutant,and long-term exposure to it may cause serious damage to the human immune *** degradation of HCHO is a promising ***,most photocatalysts have the disadvantage of rapid recombination of photo-generated electron-hole *** this work,the recombination of photogenerated electron holes was proposed to inhibit through the piezoelectric effect.A two-dimensional(2D)piezoelectric material,2H-MoS_(2),was selected to investigate the catalytic performance for HCHO degradation by the synergy of the piezoelectric and photocatalysis *** results show that the piezoelectric effect can induce the polarization in 2H-MoS_(2) and inhibit the recombination of photogenerated electron-hole pairs,thus improving the photogeneration of hydroxyl radicals for HCHO ***,the piezoelectric-photo-catalysis synergistic effect based on density functional theory(DFT)calculation was proposed to elucidate the HCHO degradation *** work could provide important guidance for the development of effective catalysts for HCHO degradation and the application of 2D piezoelectric materials.

关键词： Piezoelectricity Photocatalysis 2H-MoS_(2) HCHO Degradation

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Three-dimensional electrically conductive–hydrophobic layer for stable Zn metal anodes

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SusMat 2024年第3期4卷 164-174页

作者： Yang Mei Jiahui Zhou Botao Zhang Li Li Feng Wu Yongxin Huang Renjie Chen Beijing Key Laboratory of Environmental Science and Engineering School of Material Science&EngineeringBeijing Institute of TechnologyBeijingChina Advanced Technology Research Institute(Jinan) Beijing Institute of TechnologyJinanChina Collaborative Innovation Center of Electric Vehicles Beijing Institute of TechnologyBeijingChina

The interrelated side reactions and dendrites growth severely destabilize the electrode/electrolyte interfaces,resulting in the difficult application of aqueous Zn ion batteries(AZIBs).Hydrophobic protective layer possesses natural inhibition ability for side ***,the conventional protective layer with plane structure is difficult to attain joint regulation of side reaction and Zn ***,a novel three-dimensional(3D)electrically conductive and hydrophobic(3DECH)interface is elaborated to enable stable Zn *** as-prepared 3DECHinterface presents a uniform 3Dmorphologywith hydrophobic property,large specific surface area,abundant zincophilic sites,and excellent ***,the 3DECH interface achieves uniform nucleation and dendrite-free deposition from synergetic benefits:(1)increased nucleation sites and reduced local current density through the special 3D structure and(2)uniform electric potential distribution and rapid Zn^(2+)transport due to the electroconductive alloy chemistry,thus coupling the hydrophobic property to obtain a highly reversible Zn ***,the modified anode achieves a superior coulombic efficiency of 99.88%over 3500 cycles,and the pouch cells using modified anode and LiMn_(2)O_(4)(LMO)cathode retain a capacity of 84 mAh g^(−1)after 700 cycles at a reasonable depth discharge of 36%,without dendrite piercing and“dead Zn.”

关键词： electroconductive layer flat deposition hydrophobic layer three-dimensional surface zincmetal anode

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A low-carbon and economically viable method for recycling spent lithium-ion battery: Efficient recovery of lithium coupled with high-value utilization of transition metals

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Journal of Energy Chemistry 2025年 108卷 645-654页

作者： Xiao, Jiefeng Lin, Shuangjie Wang, Jingwen Niu, Bo Hong, Junming Xu, Zhenming Department of Environmental Science and Engineering College of Chemical Engineering Huaqiao University Fujian Xiamen361021 China School of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai200240 China College of Resources and Environmental Science Hebei Agricultural University Hebei Baoding071000 China Key Laboratory of Solid Waste Treatment and Resource Recycle Ministry of Education Southwest University of Science and Technology Sichuan Mianyang621010 China

The underutilization of production capacity in recycling waste lithium-ion battery (LIB) highlights the demand for cost-effective and eco-friendly processes. This study challenges conventional practices by proposing a product-oriented strategy that converts spent LIB into functional materials rather than only conventional metal salts. Phase evolution thermodynamics first identifies the conditions for selective extraction, enabling a novel oxygen-assisted chlorination roasting system. This single-step process achieves two transformative outcomes: lithium is converted to carbonate product, while cobalt is reconstructed into a functional catalyst serving as peroxymonosulfate activators. Specifically, 99% of Li is recovered as lithium carbonate (99.6% purity), while upcycled catalyst demonstrates equivalent performance to commercial alternatives, achieving >98% efficiency in model reactions. Besides, system scaling analysis confirms dual sustainability advantages. Life-cycle assessment reveals a 61.5% reduction in carbon footprint compared to traditional recycling, while techno-economic analysis shows 50% higher profitability. This paradigm shift from simple metal recovery to functional material synthesis addresses both environmental and economic challenges in LIB recycling. Our findings demonstrate that this product design can enhance sustainability without compromising technical performance, providing a new slight for LIB recycling. © 2025 science Press and Dalian Institute of Chemical Physics, Chinese Academy of sciences

关键词： Lithium-ion batteries

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