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Engineering 2025年第1期 215-233页

作者： Chaopeng Hong Rui Zhong Mengyao Xu Peidong He Huibin Mo Yue Qin Danna Shi Xinlei Chen Kebin He Qiang Zhang Shenzhen Key Laboratory of Ecological Remediation and Carbon Sequestration Institute of Environment and Ecology Shenzhen International Graduate School Tsinghua University State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex College of Environmental Sciences and Engineering Peking University Institute of Data and Information Shenzhen International Graduate School Tsinghua University State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Ministry of Education Key Laboratory for Earth System Modeling Department of Earth System Science Tsinghua University

Food systems are deeply affected by climate change and air pollution, while being key contributors to these environmental challenges. Understanding the complex interactions among food systems, climate change, and air pollution is crucial for mitigating climate change, improving air quality, and promoting the sustainable development of food systems. However, the literature lacks a comprehensive review of these interactions, particularly in the current phase of rapid development in the field. To address this gap, this study systematically reviews recent research on the impacts of climate change and air pollution on food systems, as well as the greenhouse gas and air pollutant emissions from agri-food systems and their contribution to global climate change and air pollution. In addition, this study summarizes various strategies for mitigation and adaptation, including adjustments in agricultural practices and food supply chains. Profound changes in food systems are urgently needed to enhance adaptability and reduce emissions. This review offers a critical overview of current research on the interactions among food systems, climate change, and air pollution and highlights future research directions to support the transition to sustainable food systems.

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Oxygen Vacancies-Mediated Cuo@N-Doped Carbon Nanocomposites for Non-Radical-Dominated Photothermal Catalytic Degradation of Contaminants

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SSRN 2022年

作者： Chen, Yi Dai, Yuntong Li, Yanwei Hou, Zexi Gao, Baoyu Yue, Qinyan Li, Qian Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse Shandong Key Laboratory of Environmental Processes and Health School of Environmental Science and Engineering Shandong University Qingdao266200 China Shenzhen Research Institute of Shandong University Shenzhen518057 China Environment Research Institute of Shandong University Qingdao266200 China

Efficient molecular oxygen activation (MOA) is a critical step for most environmental catalysis to generate reactive oxygen species (ROS), which is often limited by lack of energy to excite electrons. The emergence of photothermal catalyst provides an opportunity to make full use of solar energy to energize electrons for boosting activation of molecular oxygen. Herein, CuO nanoparticles wrapped into nitrogen-doped carbon nanocomposites (CuO@NCs) with abundant oxygen vacancies (OVs) were prepared by a facile one-step synthesis using carboxymethyl chitosan hydrogel as a template. The as-obtained CuO@NCs exhibit excellent photothermal catalytic properties under visible light irradiation to achieve efficient molecular oxygen activation, thus allowing effective degradation of bisphenol F (BPF) in complex aqueous environments and actual water matrices. The density functional theory (DFT) calculations reveal that both the enhanced properties of OVs for molecular oxygen adsorption and the accelerated properties of graphite N for electron transfer contribute significantly to the MOA and the charge separation efficiency, resulting in a large amount of ROS. Molecular oxygen was converted to superoxide (·O2-) and ultimately to singlet oxygen (1O2 ), which was the dominant ROS responsible for contaminants degradation. In addition, the photothermal catalytic degradation pathway of BPF was proposed according to the product detection and theoretical calculations. This work provides an effective method for the in-situ fabrication of metal@N-doped carbon nanocomposite photothermal catalysts and elucidates the mechanism of photothermal catalytic activation of molecular oxygen for contaminants degradation, providing a promising approach for making full use of solar energy for environmental remediation. © 2022, The Authors. All rights reserved.

关键词： Oxygen vacancies

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Non-Negligible Risks of Extracellular Antibiotic Resistance Genes in Antibiotic Production Wastewater Treatment Plants: Occurrence, Transformation Dynamics, and Potential Hosts

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SSRN 2025年

作者： Miao, Sun Zhang, Yanyan Wang, Yongjun Zuo, Jiane State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing100084 China Institute of Environmental Protection North China Pharmaceutical Company Hebei Shijiazhuang050015 China Institute of Environment and Ecology Tsinghua Shenzhen International Graduate School Shenzhen518055 China

The risks posed by extracellular antibiotic resistance genes (eARGs) in wastewater treatment plants (WTPs) have garnered increasing attention. Antibiotic production wastewater (APW) contains high concentrations of antibiotics and organics known to induce transformation and potentially aggregate the risks associated with eARGs. In this study, the presence, transformation dynamics, and potential hosts of eARGs in a full-scale APW treatment plant (APWTP) were investigated. Free-eARGs (f-eARGs) were prevalent in the effluent (5.0×106 copies/mL), comprising 54.9% of total ARGs. APW significantly increased the transforming ability of eARGs compared to municipal wastewater, with this effect being significantly greater than that of the antibiotics at influent concentration levels. This promotion effect was likely due to increased oxidative stress and bacterial membrane permeability, and reduced concomitantly with the removal of conventional wastewater pollutants (e.g., COD and NH3-N);however, such effect persisted after treatment. Based on cell sorting and high-throughput sequencing, several opportunistic pathogens, such as Pseudomonas, Stenotrophomonas, and Acinetobacter, demonstrated a heightened propensity to uptake eARGs, amplifying their associated health risks. These findings underscore the significant risks posed by eARGs to the spread of antibiotic resistance in WTPs, particularly when treating APW. © 2025, The Authors. All rights reserved.

关键词： Health risks

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Fate and Toxic Effect of Triclocarban in Wastewater Treatment Systems

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SSRN 2022年

作者： Liang, Bin Wang, Hao Yun, Hui Li, Minghan Cui, Hanlin Ma, Xiaodan Zhang, Yanqing Pei, Xuanyuan Zhang, Liying Shi, Ke Li, Zhiling Wang, Aijie Zhou, Jizhong State Key Laboratory of Urban Water Resource and Environment School of Environment Harbin Institute of Technology Harbin150090 China Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations School of Life Sciences Lanzhou University Lanzhou730000 China State Key Laboratory of Urban Water Resource and Environment Shenzhen Key Laboratory of Organic Pollution Prevention and Control School of Civil & Environmental Engineering Harbin Institute of Technology Shenzhen Shenzhen518055 China Institute for Environmental Genomics Department of Microbiology and Plant Biology University of Oklahoma NormanOK73019 United States

Triclocarban (TCC), one of the typical antimicrobial agents, is a contaminant of emerging concern commonly found in high concentration in water environments. However, the fate and toxic effect of TCC in biological wastewater treatment systems, remain poorly understood. Here, we investigated how TCC impacts chemical oxygen demand and inorganic nitrogen transformation in a hydrolytic anaerobic-anoxic/oxic (HA-A/O) process. In the anaerobic section, the transformation of TCC was dominated by reductive dechlorination and supplemented by two amid bonds hydrolysis. In the anoxic and oxic sections, the hydrolysis of amid bonds dominated, accumulating a large amount of 3,4-dichloroaniline and reducing the toxicity of TCC after the treatment. Regarding the ammonia nitrogen, the removal was inhibited due to the TCC toxicity to nitrogen removal bacteria. Furthermore, the original ecological niche was gradually replaced by TCC-resistant/degradative bacteria, leading to the formation of new modules to resist the TCC stress. Importantly, fourteen genera including Methanosaeta, Longilinea, Dokdonella and Mycobacterium as potential bioindicators warning TCC and its intermediates were proposed. Overall, this study provides new insights into the fate of TCC in biological wastewater treatment systems and suggests a great importance for TCC control to ensure the health and resilience of water ecosystems. © 2022, The Authors. All rights reserved.

关键词： Toxicity

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Magnetotactic bacteria:Characteristics and environmental applications

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Frontiers of environmental Science & Engineering 2020年第4期14卷 3-16,F0004页

作者： Xinjie Wang Yang Li Jian Zhao Hong Yao Siqi Chu Zimu Song Zongxian He Wen Zhang State Key Laboratory of Water Environment Simulation School of EnvironmentBeijing Normal UniversityBeijing 100875China John A.Reif Jr.Department of Civil and Environmental EngineeringNew Jersey Institute of TechnologyNewarkNJ 07102USA Beijing Key Laboratory of Aqueous Typical Pollutants Control and Water Quality Safeguard Beijing International Cooperation Base for Science and Technology on Antibiotics/Resistance Genes Water Environmental Pollution Control TechnologySchool of Civil EngineeringBeijing Jiaotong UniversityBeijing 100044China

Magnetotactic bacteria(MTB)are a group of Gram-negative prokaryotes that respond to the geomagnetic *** unique property is attributed to the intracellular magnetosomes,which contains membrane-bound nanocrystals of magnetic iron *** review summarizes the most recent advances in MTB,magnetosomes,and their potential applications especially the environmental pollutant control or *** morphologic and phylogenetic diversity of MTB were first introduced,followed by a critical review of isolation and cultivation *** have devoted to optimize the factors,such as oxygen,carbon source,nitrogen source,nutrient broth,iron source,and mineral elements for the growth of *** the applications of MTB in modem biological and medical fields,little attention was made on the environmental applications of MTB for wastewater treatment,which has been summarized in this *** example,applications of MTB as adsorbents have resulted in a novel magnetic separation technology for removal of heavy metals or organic pollutants in *** addition,we summarized the current advance on pathogen removal and detection of endocrine disruptor which can inspire new insights toward sustainable engineering and ***,the new perspectives and possible directions for future studies are recommended,such as isolation of *** modification of MTB for mass production and new environmental *** ultimate objective of this review is to promote the applications of MTB and magnetosomes in the environmental fields.

关键词： Magnetotactic bacteria Magnetosome Heavy metal Radionuclide Organic pollutants

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Enhancement of the degradation ability for organic pollutants via the synergistic effect of photoelectrocatalysis on a self-assembled perylene diimide (SA-PDI) thin film

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Science Bulletin 2019年第13期64卷 896-903页

作者： Hong Miao Jun Yang Guilong Peng Huiquan Li Yongfa Zhu Department of Chemistry Tsinghua UniversityBeijing 100084China School of Environment Beijing Key Laboratory for Emerging Organic Contaminants ControlState Key Joint Laboratory of Environment Simulation and Pollution Control (SKLESPC)Tsinghua UniversityBeijing 100084China Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment School of Chemistry and Materials EngineeringFuyang Normal UniversityFuyang 236037China

A self-assembled perylene diimide(SA-PDI)film was prepared on an indium-tin-oxide(ITO)substrate and acted as a photoanode for the photoelectrocatalytic(PEC)degradation of some emerging contaminants under visible light irradiation(λ>420 nm)and applied *** to the synergistic effect,the photocatalytic degradation rate by the SA-PDI film under visible light irradiation and an applied voltage of 2.1 V was 2.72 times and 14.5 times those of the PC and EC processes,*** visible light irradiation not only generated a promoting effect on electrocatalytic(EC)oxidation at potentials above1.2 V but also generated many more h+ for promoting the electrocatalytic oxidation of ***,an applied voltage above 1.2 V could effectively improve the separation rate of electrons from the SA-PDI electrodes to the Pt electrodes,and then,much more ·O2-and ·OH could be generated for improving the photocatalytic(PC)oxidation ***,the h+,·OH and ·O2-could improve the synergistic effect of phenol oxidation during the PEC ***,the SA-PDI film appeared to have satisfactory stability in the PEC *** SA-PDI film was also proven to be effective for two other contaminants,namely,2,4-dichlorophenol,and ciprofloxacin.

关键词： Photoelectrocatalytic oxidation PDI electrode Phenol Degradation

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Dom Contributions to Nitrate Enrichment in Groundwater in the Semi-Arid Area of North China Plain: Evidence from Dom Optical and Molecular Characteristics

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SSRN 2023年

作者： Ding, Hongyu Zheng, Mingxia Yu, Minda Zhu, Mingtan Sun, Yuanyuan Su, Jing Xi, Beidou State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental Sciences Beijing100012 China State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution Chinese Research Academy of Environmental Sciences Beijing100012 China College of Water Science Beijing Normal University Beijing100875 China School of Environment and Civil Engineering Jiangnan University Wuxi214122 China

Specific components of dissolved organic matter (DOM) may serve as indicators of the nitrate accumulation process in groundwater. However, the precise mechanisms underlying the enrichment of nitrate based on DOM characterization in groundwater systems remain unclear. This study aims to reveal the sources and pathways of the nitrate accumulation process through the application of three-dimensional Excitation Emission Matrices (EEM) and Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR-MS). The presence of fresh DOM components which show high biological activity, resulting from the leaching of organic matter in the subsoil and the excessive input of manure and sewage, contributes to elevated nitrate levels in the porous aquifer. The main contributors to inorganic nitrate accumulation are DOM formulas containing a higher number of nitrogen atoms. DOM formulas containing three nitrogen atoms, characterized by larger mass weights and lower H/C ratios, are closely associated with a readily bioavailable fraction. Consequently, the observed high rate of nitrate accumulation in the groundwater samples can be attributed to the high bioavailability of nitrogen-containing molecules. This study provides a molecular perspective on the characterization of DOM and its relationship with nitrate accumulation in groundwater systems, offering valuable insights for a more accurate assessment of potential nitrogen stocks in groundwater. © 2023, The Authors. All rights reserved.

关键词： Nitrates

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Reconstructing the Nanoscale Porous Structures in Coal-Based Membranes by Ultrafast High-Temperature Sintering for Solar-Driven Water Treatment

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SSRN 2023年

作者： Liu, Chih-Chin Chen, Rong Wei, Yanzhuo Huang, Yang Zhang, Zhijun Zhao, Yixin Fu, Tairan Hu, Chuxiong Huang, Xia Zang, Xining Department of Mechanical Engineering Tsinghua University Beijing100084 China Key Laboratory for Advanced Materials Processing Technology Ministry of Education Tsinghua University Beijing100084 China State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing100084 China Department of Thermal Engineering Tsinghua University Beijing100084 China School of Chemical and Environmental Engineering China University of Mining and Technology Beijing100083 China Key Laboratory for Thermal Science and Power Engineering Ministry of Education China Beijing Key Laboratory for Precise Mining of Inter grown Energy and Resources China

Lignite, a low-grade coal, accounts for over 40% of the global coal reserves. The use of lignite has been limited compared to other grades due to its low calorific value, high impurities content, and elevated volatile matter. Exploring a scalable and environment-friendly approach to upgrade lignite will offer new opportunities. In this work, Ultrafast High-Temperature Carbonization (UHC) has been developed to carbonize lignite and modify its nanoscale structure to construct a conductive porous membrane. The whole process takes only 30 s with an ultrafast heating rate exceeding 2400°C/min and a maximum temperature over 1500°C. Upon heating the pore structures in the coal membrane evolves into micro- and mesopores with a specific surface area of over 300 m2/g. The carbonized coal-based membrane provides superior performance as a solar evaporator for water treatment, due to its interconnected porous structures, hydrophilicity, and over 85% absorption of full-band visible light. Under 1 sun solar irradiation, the membrane shows over 98.2% removal rate of salts, heavy metal ions, and volatile organic compounds (VOCs). © 2023, The Authors. All rights reserved.

关键词： Metal ions

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Eco-Friendly In-Situ Synthesis of Monolithic Nife Layered Double Hydroxide for Catalytic Decomposition of Ozone

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SSRN 2022年

作者： Wang, Zhisheng Li, Xiaotong Ma, Jinzhu He, Hong State Key Joint Laboratory of Environment Simulation and Pollution Control Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing100085 China Center for Excellence in Regional Atmospheric Environment Institute of Urban Environment Chinese Academy of Sciences Xiamen361021 China University of Chinese Academy of Sciences Beijing100049 China

The coating process for powder catalysts is complicated and the binding force between catalyst and support is weak, which easily leads to deterioration of catalyst performance. Herein, NiFe layered double hydroxide (NiFe-LDH) monolithic catalysts self-supported by metal foam were successfully synthetized in-situ by a simple one-step hydrothermal method, and were first used for ozone elimination. The optimized NiFe-LDH/IF (Iron Foam, IF) monolithic catalyst exhibited ozone conversion of 91.5% and 85% after 6 and 168 h, respectively, under harsh conditions, showing promising potential for ozone pollution control. This study provided a convenient and eco-friendly method for the preparation of monolithic catalyst. © 2022, The Authors. All rights reserved.

关键词： Binary alloys

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The Biogeochemical Responses of Hyporheic Groundwater to the Long-Run Managed Aquifer Recharge: Linking Microbial Communities to Hydrochemistry and Micropollutants

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SSRN 2022年

作者： Li, Siling Li, Binghua Liu, Huijuan Qi, Weixiao Yang, Yunfeng Yu, Gang Qu, Jiuhui Center for Water and Ecology State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing100084 China Beijing Laboratory of Environmental Frontier Technologies School of Environment Tsinghua University Beijing100084 China Beijing Water Science and Technology Institute No.21 Chegongzhuang West Road Haidian District Beijing China

Interactions of surface water and groundwater (SW–GW) in hyporheic zones produce biogeochemical hotspots. However, response patterns of hyporheic groundwater to external influences remain unclear. In this study, three datasets (hydrochemistry, antibiotics, and microbiome) were collected over a hydrological year to explore the influence of a 12-year managed aquifer recharge (MAR) project. We observed that the long-term MAR practice elevated nutrient and antibiotic levels while reduced redox potential in hyporheic groundwater, and these impacts depended on decreasing SW–GW interaction intensity with aquifer depth. In contrast, the long-term MAR practice increased community dissimilarity of 30-m groundwater but had little impact on 50-m or 80-m groundwater. Moreover, hyporheic community assembly was dominated by dispersal limitation, and thereby co-varied hydrochemistry and antibiotics only attributed to small community variability. The long-term MAR practice decreased species-interaction intensity and changed the abundance of metabolic functions in hyporheic groundwater. Furthermore, predicted community functions involving carbon, nitrogen, sulfur, and manganese cycles for 30-m groundwater showed higher abundances than those for 50- and 80-m groundwater. Collectively, we showed that hyporheic groundwater was sensitive to the SW–GW interaction and human activities, with the interactions of hydrochemistry, contaminants, and microbiome linking to hyporheic groundwater quality and ecosystem functioning. © 2022, The Authors. All rights reserved.

关键词： Antibiotics

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