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SSRN 2022年

作者： Ai, Jing Abdelraheem, Wael H.M. Guo, Wenjie Duan, Xiaodi Peng, Sainan Dong, Tianyi Zhang, Weijun Wang, Qilin Dionysiou, Dionysios D. Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science School of Environmental Studies China University of Geosciences Hubei Wuhan430074 China State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution Ministry of Ecology and Environment Hubei Wuhan430074 China University of Cincinnati CincinnatiOH45221-0012 United States Chemistry Department Faculty of Science Sohag University Sohag82524 Egypt Centre for Technology in Water and Wastewater School of Civil and Environmental Engineering University of Technology Sydney SydneyNSW2007 Australia School of Environmental and Chemical Engineering Shanghai University 200444 China

Manganese oxides (MnO2) are widely utilized in arsenic(AsIII)-contaminated water system remediation;however, As(III) oxidation is greatly affected by co-occurring substances. This study discusses the oxidation pathways of As(III) oxidation-adsorption in presence of co-solutes (e.g., Mn(II), Fe(II), and 2,4-dichlorophenol (DCP). Mn(II) species competed with As(III) for adsorption and oxidation sites at MnO2 surface, resulting in a decrease in As(III) removal. As(III) oxidation in Mn(II) and Mn(II)/MnO2 systems was primarily occurred via electron-transfer with Mn(III) intermediate, however, Mn(III) species were rapidly oxidized into the less reactive oxidant Mn(IV). In the presence of DCP, As(III) oxidation was enhanced due to stabilization of Mn(III) species by complexation with DCP. Fe(II) enhanced the adsorption of Arsenic and DCP by MnO2, as Fe-(hydr)oxides formed, creating extra adsorption sites on MnO2. Three DCP byproducts were identified by means of LC/MS analysis in the Mn(II)/MnO2-DCP system, with reaction As(III) oxidation pathways are proposed. The enhanced As(III) oxidation by Mn(II)/MnO2 system, in presence of DCP resulted due to a series of chemical reactions with hydroxyl and phenolic radicals generated in system, in addition to electron transfer with DCP-Mn(III) complexes. These results provide new insights into the environmental behavior of As(III) within mixed water systems containing metals (Mn/Fe) and phenolics. © 2022, The Authors. All rights reserved.

关键词： Oxidation

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Cover Feature: Oxygen Vacancy Promoted Generation of Monatomic Oxygen Anion over Ni2+-Doped MgO for Efficient Glycolysis of Waste PET (ChemSusChem 9/2023)

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ChemSusChem 2023年第9期16卷

作者： Yuheng Lin Deshuai Yang Chaoyu Meng Chunying Si Prof. Quanxing Zhang Prof. Guixiang Zeng Dr. Wei Jiang Department of Environmental Engineering and State Key Laboratory of Pollution Control and Resources Reuse Nanjing University Nanjing 210023 P. R. China Kuang Yaming Honors School & Institute for Brain Sciences Nanjing University Nanjing 210023 P. R. China

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Spatial-temporal evolution pattern, driving mechanism and prediction of dietary sustainability in China

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Journal of Cleaner Production 2025年 519卷

作者： Rui Zhao Xia Li Qiang Ren Zhenci Xu Fengting Li State Key Laboratory of Pollution Control and Resources Reuse College of Environmental Science and Engineering Tongji University Shanghai 200000 China School of International Affairs and Public Administration Ocean University of China Qingdao 266000 China Department of Geography The University of Hong Kong Hong Kong 999077 China Key Laboratory of Cities' Mitigation and Adaptation to Climate Change in Shanghai Shanghai Regional Climate Center China Meteorological Administration Shanghai 200000 China

The future of human and planetary health is envisioned as an advance toward dietary sustainability targets, i.e., diets that are nutritionally secure, socially equitable and environmentally sustainable. Dietary sustainability is comprehensive and dynamic, but there is a lack of research on spatial-temporal evolution analysis, driving mechanisms, and prediction of dietary sustainability from different dimensions to provide a comprehensive understanding of the food system and policy recommendations for its transformation. Here we developed an integrated framework of dietary sustainability, demonstrated it in China in 2005, 2010, 2015, and 2020, and conducted projections. We found that the national dietary sustainability index score (an aggregate score representing the overall performance of dietary sustainability in three dimensions) was at a moderate level and the spatial variation was significant, with high scores in the north and east, low scores in the south and west. The dietary sustainability index score increased by 35.33 % from 2005 to 2020, and the spatial variation became narrower. However, dietary sustainability in nutritional security dimension decreased in individual developed provinces. Urbanization, economic development and education significantly contributed to dietary sustainability. It is projected that by 2100, the dietary sustainability index score will improve by 61.62 % if significant investments are made in health, education and institutions. These findings underscore the importance of studying the dietary sustainability and call for dissemination of healthy dietary patterns, building high-quality farmland in an era of urbanization, investing in the resilience of the food supply chain, and enhancing connectivity between provinces to improve human well-being.

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Upcycling Iron Oxide Scale Slag into a High-Performance, Sustainable Ozone Catalyst

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Angewandte Chemie 2024年第3期137卷

作者： Qing Du Prof. Yanfen Fang Xing Lan Prof. Cheng Gu Di Huang Prof. Zhou Shen Dr. Zhi Zhu Prof. Chuncheng Chen Prof. Yan Yan College of Materials and Chemical Engineering China Three Gorges University Yichang 443002 China State Key Laboratory of Pollution Control and Resource Reuse School of Environment Nanjing University Nanjing 210023 China School of Life and Environmental Sciences Shaoxing University Shaoxing 312000 China School of Chemistry & Chemical Engineering Jiangsu University Zhenjiang 212013 China Key Laboratory of Photochemistry Institute of Chemistry Chinese Academy of Sciences Beijing National Laboratory for Molecular Sciences Beijing 100190 China

Upcycling iron slag into a monolithic catalyst has led to low-cost heterogeneous catalytic ozonation (HCO) strategies for water treatment. The primary industrial challenges are the low chemical oxygen demand (COD) reduction rate in treating authentic wastewater and difficulties sustaining close-loop reaction cycles. In this study, we present a monolithic catalyst transformed from low-cost iron oxide scale slag (IOS M ) for highly efficient, sustainable ozone catalysis. The IOS M , constituted of 59.70 % Fe 2 O 3 and 40.30 % Fe 3 O 4 , effectively decomposes ozone into superoxide radicals (⋅O 2 − ) through a close-loop cyclic reaction facilitated by interfacial charge transfer. This mechanism enables super-fast degradation of 100 mg L −1 tetracycline at ozone concentrations below 1.00 mg L −1 in just four minutes, with the iron leaching merely at 59 μg L −1 after 10 cycles. In tests with authentic antibiotic wastewater, the IOS M -based HCO system achieves a record-breaking 81.70 % COD reduction within two hours. This research underscores the potential of upcycling industrial waste into highly effective ozone catalysts for sustainable practices in wastewater treatment.

关键词： iron oxide scale slag ozone catalyst sustainable actual antibiotic wastewater life cycle assessment

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Ammonia Influences the Zooplankton Assemblage and Beta Diversity Patterns in Urban River Ecosystems

SSRN

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SSRN 2022年

作者： Du, Cai-Li Zhao, Feng-Bin Shang, Guang-Xia Wang, Li-Qing Jeppesen, Erik Zhang, Lie-Yu Zhang, Wei Fang, Xin State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and Engineering Tongji University 1239 Siping Road Shanghai200092 China The Ministry of Agriculture Shanghai Ocean University Shanghai201306 China State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental Sciences Beijing100012 China Department of Ecoscience Aarhus University Vejlsøvej 25 Silkeborg 8600 Denmark University of Chinese Academy of Sciences Beijing100190 China Limnology Laboratory Department of Biological Sciences Centre for Ecosystem Research and Implementation Middle East Technical University Ankara06800 Turkey School of Business Macau University of Science and Technology Macao 999078 China College of Fisheries and Life Science Shanghai Ocean University Shanghai201306 China

Beta diversity represents the spatial or temporal variation of species composition among sampling sites and can be separated into two components of turnover (Brepl, replacement of species assemblages) and nestedness (Brich, loss or gain of species assemblages). Knowledge about the mechanisms driving beta-diversity contributes to understanding the variation in aquatic ecosystem community structure. We sampled zooplankton assemblages at 24 sites in 11 rivers in Shanghai City and conducted a nutrient addition experiment to elucidate the effect of various environmental variables on the community structure and beta diversity patterns of zooplankton. The zooplankton assemblages in the rivers differed significantly at ammonium nitrogen (NH 4 + -N) concentrations below (Group I) and above (Group II) 1.03 mg·L -1 . The nutrient addition experiment further demonstrated that the composition of zooplankton assemblages changed markedly along an ammonium concentration gradient (0.2 to 5.0 mg N·L -1 ). The total beta diversity of Group I was significantly higher than in Group II, indicating that high nutrient (ammonium) pollution led to biotic homogeneity. Overall, turnover was the key factor determining the total beta diversity of the two groups, suggesting key importance of replacement of zooplankton assemblages. Further, we found a correlation between environmental factors (mainly nitrogen content) and the beta diversity of zooplankton, and beta diversity (Brepl, and Btotal) decreased with increasing trophic state. Our finding provides further insight into changing characteristics of the beta diversity pattern of zooplankton in the river networks and may help guide managers dealing with conservation strategies for aquatic biodiversity preservation in urban river ecosystems. © 2022, The Authors. All rights reserved.

关键词： Rivers

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Ratiometric Afterglow Luminescent Imaging of Matrix Metalloproteinase-2 Activity via an Energy Diversion Process

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Angewandte Chemie 2024年第26期136卷

作者： Weijing Huang Dr. Wenhui Zeng Zheng Huang Dr. Daqing Fang Prof. Hong Liu Prof. Min Feng Prof. Liang Mao Prof. Deju Ye State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Chemistry and Biomedicine Innovation Center (ChemBIC) Nanjing University Nanjing 210023 China These authors contributed equally. State Key Laboratory of Drug Research and Key Laboratory of Receptor Research Shanghai Institute of Materia Medica Chinese Academy of Sciences Shanghai 201203 China Department of General Surgery Nanjing Drum Tower Hospital the Affiliated Hospital of Nanjing University Medical School Nanjing 210008 China State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Chemistry and Biomedicine Innovation Center Nanjing University Nanjing 210023 China

Ratiometric afterglow luminescent (AGL) probes are attractive for in vivo imaging due to their high sensitivity and signal self-calibration function. However, there are currently few ratiometric AGL probes available for imaging enzymatic activity in living organisms. Here, we present an energy diversion (ED) strategy that enables the design of an enzyme-activated ratiometric AGL probe (RAG-RGD) for in vivo afterglow imaging. The ED process provides RAG-RGD with a radiative transition for an ‘always on’ 520-nm AGL signal (AGL 520 ) and a cascade three-step energy transfer (ET) process for an ‘off-on’ 710-nm AGL signal (AGL 710 ) in response to a specific enzyme. Using matrix metalloproteinase-2 (MMP-2) as an example, RAG-RGD shows a significant ~11-fold increase in AGL 710 /AGL 520 toward MMP-2. This can sensitively detect U87MG brain tumors through ratiometric afterglow imaging of MMP-2 activity, with a high signal-to-background ratio and deep imaging depth. Furthermore, by utilizing the self-calibration effect of ratiometric imaging, RAG-RGD demonstrated a strong negative correlation between the AGL 710 /AGL 520 value and the size of orthotopic U87MG tumor, enabling accurate monitoring of orthotopic glioma growth in vivo. This ED process may be applied for the design of other enzyme-activated ratiometric afterglow probes for sensitive afterglow imaging.

关键词： Afterglow luminescence ratiometric imaging activatable probes energy diversion MMP-2

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Author Correction: Steam disinfection releases micro(nano)plastics from silicone-rubber baby teats as examined by optical photothermal infrared microspectroscopy

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Nature nanotechnology 2022年第6期17卷 672页

作者： Yu Su Xi Hu Hongjie Tang Kun Lu Huimin Li Sijin Liu Baoshan Xing Rong Ji State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing China. Quantum Design (Beijing) Co. Ltd Beijing China. State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing China. Stockbridge School of Agriculture University of Massachusetts Amherst MA USA. bx@umass.edu. State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing China. ji@***.

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DOMIRISK: A User-Friendly Domino Effect Decision Support System

DOMIRISK: A User-Friendly Domino Effect Decision Support Sys...

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作者： Y Yang Y Qian State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University

The continuous development of modern industry has potential hazard, of which domino effect is a major threat that could result in catastrophe. Moreover, domino accidents will endanger the environment and human health. Some decision support systems for preventing the domino effect have been developed, while most of them are too theoretical and have obvious limitations, such as ignoring the influence of personnel, operational, and other real factors in the actual industrial production process. This paper emphasizes the causes of potential domino accidents and the construction of the accident chain. A system called DOMIRISK is designed which can: 1) quantify the domino effect of the entire plant;2) identify the root cause of potential domino accidents;3) build the accident chain of domino effect;4) assess the environmental risk of the domino accident. A chemical plant is used as an example to illustrate how the system provides practical decision support for controlling the occurrence and spread of domino accidents and protecting environment.

关键词： A User-Friendly Domino Effect Decision Support System DOMIRISK Domino

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Correction to: Effect of Polyvinyl Chloride Microplastics on Bacterial Community and Nutrient Status in Two Agricultural Soils

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Bulletin of environmental contamination and toxicology 2021年第2期106卷 236页

作者： Yuanyuan Yan Zhanghao Chen Fengxiao Zhu Changyin Zhu Chao Wang Cheng Gu State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing 210023 People's Republic of China. State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing 210023 People's Republic of China. fengxiao@***.

The original version of the article unfortunately contained a mistake in Fig. 3. In this figure, norank_o_DS-100 and Niastella were mistakenly labelled with α-Proteobacteria and Firmicutes, respectively. The cor...

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The Role of Iron Present in Water Environment in Degradation of Polyamide Membranes by Free Chlorine

SSRN

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SSRN 2022年

作者： Xie, Yingqi Yang, Linyan Chen, Xueming Zhao, Huihui Cao, Guomin Li, Xuesong Bai, Lichun Meng, Shujuan Wang, Rong National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery East China University of Science and Technology Shanghai200237 China School of Resources and Environmental Engineering East China University of Science and Technology Shanghai200237 China Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology College of Environment and Resources Fuzhou University Fujian Fuzhou350116 China State Key Laboratory of Pollution Control and Resource Reuse Shanghai Institute of Pollution Control and Ecological Security School of Environmental Science and Engineering Tongji University Shanghai200092 China Key Laboratory of Traffic Safety on Track Ministry of Education School of Traffic & Transportation Engineering Central South University Changsha410075 China School of Space and Environment Beihang University Beijing100191 China Nanyang Environment and Water Research Institute Nanyang Technological University 1 Cleantech Loop CleanTech One Singapore637141 Singapore

Chlorine exposure is one of the most commonly encountered challenges that cause polyamide (PA) membrane failure in use. The synergistic effect of iron, which is ubiquitous in water environment, with chlorination is however often overlooked. This study systematically investigated the performance of thin film composite (TFC) nanofiltration (NF) membranes under dynamic exposure of free chlorine and Fe 2+ in filtration process. It was found that the 36%−70% reduction of water flux after chlorine-only exposure was mainly attributed to the competing effects of reduced hydrophilicity by N-chlorination over decreased crosslinking by chlorination-promoted hydrolysis, while the opposite trends of salt rejection for mild and severe chlorination were believed to be caused by the competing effects of decreased crosslinking and increased charged density. The presence of Fe 2+ in the feed generally resulted in a higher (or equivalent) water flux and a lower salt rejection compared to chlorine-only conditions, owing to catalytic oxidation and iron deposition. Fe 2+ -induced catalytic oxidation by hydroxyl radicals (·OH) formed by the reaction between free chlorine and Fe 2+ promoted C−N breakage and led to a much looser separation layer, which contributes more remarkably to performance variation (i.e., 2.5−6.5 time increase of water flux and near-zero salt rejection for 1000 mg/L Cl 2 ) than chlorination. In addition, the much lower normalized salt rejection for 10 mg/L Fe 2+ than 0.1−1 mg/L Fe 2+ (10%−30% vs. 100%−120%) under 10−100 mg/L Cl 2 at 24 h was attributed mainly to a much denser iron deposition layer, which neutralized the membrane surface charge and decreased the electrostatic repulsion between salts and membranes. Hence, the combination of chlorination, catalytic oxidation and iron deposition was proposed to be the mechanisms synergistically affecting the membrane behavior. © 2022, The Authors. All rights reserved.

关键词： Catalytic oxidation

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