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Energy & Environmental Sustainability 2025年第2期1卷

作者： Jimeng Ding Michael R. Templeton Yuan He Cheng Peng Wenhai Chu State Key Laboratory of Pollution Control and Resources Reuse College of Environmental Science and Engineering Tongji University Shanghai 200092 China Department of Civil and Environmental Engineering Imperial College London United Kingdom Key Laboratory of Interfacial Physics and Technology Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai 201800 China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092 China International Joint Research Center for Sustainable Urban Water System Tongji University Shanghai 200092 China

Sorption-based atmospheric water harvesting (SAWH) technology may have considerable potential in mitigating freshwater scarcity, particularly if advancements can be achieved in sorbent materials and optimizing multi-cycle operations. This study introduces a SAWH device that employs a dual-salt composite sorbent and analyses its performance, with a specific focus on sorbent utilization efficiency, an important understudied parameter in SAWH technologies to-date. We investigated the effects of varying cycle numbers on water harvesting efficiency and analyzed multi-cycle processes from the perspective of sorbent utilization efficiency. Our findings elucidate the trade-off dynamics between sorbent utilization efficiency and water harvesting efficiency, highlighting the balance of material efficiency with water collection yield. These insights contribute a novel perspective to the development and optimization of SAWH technology, highlighting the critical importance of incorporating sorbent utilization efficiency in the pursuit of sustainable atmospheric water harvesting solutions.

关键词： Sorption-based atmospheric water harvesting Composite sorbent Multi-cycle sorption-desorption system Sorbent utilization efficiency Water harvesting efficiency

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Long-chain nanocellulose-based aerogels for water treatment: strategies from fabrication towards modification

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Chemical Engineering Journal 2025年 516卷

作者： Zhou, Jie Luo, Zhengkun Kou, Yingwei Zhou, Xiao Li, Xiaodong Zhang, Wei-xian Deng, Zilong State Key Laboratory for Pollution Control and Resource Reuse College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security Tongji University 1239 Siping Road Shanghai200092 China College of Civil Engineering Tongji University 1239 Siping Road Shanghai200092 China Co. Ltd Shanghai Ship and Shipping Research Institute 600 Minsheng Road Shanghai200135 China

Long-chain nanocellulose (LNC)-based aerogels, synthesized from a family consist of cellulose nanofibers (CNF) and bacterial nanocellulose (BNC), have emerged as a next-generation solution for water treatment. These aerogels combine the structural superiority of conventional aerogels with the remarkable physicochemical properties of LNC, including high porosity, excellent mechanical strength and tunable surface chemistry. This integration enhances their removal efficiency and recyclability, making them highly applicable for water treatment. This review systematically explores the fabrication strategies, intrinsic properties, and characterization techniques of LNC-based aerogels, emphasizing their versatility in water purification applications. Special attention is paid to address the gaps that the current literature 1) lacks a comprehensive evaluation of surface modification and composite functionalization and 2) provides limited mechanistic insights into pollutants removal by LNC aerogels. Future research should focus on developing machine learning-guided nano-structural engineering for scalable synthesis of sustainable aerogels, synergistically integrated with life cycle assessment. © 2025

关键词： Nanocellulose

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Characterization of multi-pollutant air quality in China using health-centric air pollution indices

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Environmental pollution 2025年 381卷 126565页

作者： Wang, Yiyi Li, Zenghui Qian, Fuping Huang, Conghong Hu, Jianlin School of Energy and Environment Anhui University of Technology Maanshan243002 China State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing210023 China College of Land Management Nanjing Agricultural University Nanjing China Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology School of Environmental Science and Engineering Nanjing University of Information Science & Technology 219 Ningliu Road Nanjing210044 China

Epidemiological studies have consistently demonstrated a strong association between air pollution and human health. However, the current Air Quality Index (AQI) methodology used in China has been criticized for relying solely on the maximum concentration of a single pollutant, thereby failing to reflect the cumulative health impact of multiple pollutants. This study evaluated the effectiveness of three alternative indices—the Health Risk-Based Air Quality Index (HAQI), the Air Quality Health Index, and the Air pollution Index (API)—in characterizing multi-pollutant air quality across China from 2014 to 2023. Our analysis indicates that the AQI underestimates health risks in regions with simultaneous exceedances of multiple pollutants, particularly in the North China Plain. Moreover, pollutants such as SO2 and CO contributed minimally to the overall AQI, whereas the excess risk (ER) value offered a more comprehensive representation of the health risks posed by all pollutants. The findings also show that HAQI and API more effectively captured seasonal variation in pollution levels and outperformed AQI in assessing the severity of health risks during episodes of severe air pollution. In conclusion, the study underscores the need for more stringent measures during high pollution events, beyond those currently recommended under the AQI framework. © 2025 Elsevier Ltd

关键词： Air quality

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Innovations of water pollution traceability technology with artificial intelligence

Earth Critical Zone

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Earth Critical Zone 2024年第1期1卷

作者： Qiannan Duan Qi Zhang Xudong Quan Hailong Zhang Lei Huang State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing 210023 China Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity College of Urban and Environmental Sciences Northwest University Xi'an 710127 China Shaanxi Key Laboratory of Environmental Monitoring and Forewarning of Trace Pollutants Shaanxi Provincial Environmental Monitoring Centre Xi'an 710005 China

Water pollution traceability is a critical component of environmental management, essential for ensuring the safety of water supplies and maintaining ecological balance. Although many countries have established relatively mature water environment quality monitoring (WEQM) systems, these systems often face limitations such as inadequate professional sensing equipment, insufficient model stability, and high technical expertise requirements. Monitoring, early warning, and traceability of water pollution in complex watersheds remain challenging tasks. The advent of artificial intelligence (AI), the Internet of Things (IoT), and big data is driving the digital transformation of traditional WEQM systems, significantly enhancing their capabilities in digitalization, intelligence, and networking. This perspective paper examines the potential impacts of emerging technologies such as AI and big data on water environment monitoring and pollution traceability in watersheds. It identifies innovation barriers and the transformation potential of WEQM systems from various perspectives, including monitoring and early warning systems, pollution location and tracking, fingerprint spectroscopy technology, and the detection of new pollutants. This exploration aims to provide insights and inspiration for the accurate diagnosis of water pollution and the enhancement of global environmental monitoring systems.

关键词： Water environment monitoring Pollutant tracing Artificial intelligence Internet of things

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Biochar Promotes Carbon Storage and Reduces Global Warming Potential in Salt Marsh on a Century Scale

SSRN

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SSRN 2023年

作者： Zhang, Yiyi Huang, Yuzhou Hu, Jing Tang, Tao Xu, Caicai Effiong, Kokoette Sunday Xiao, Xi Ocean College Zhejiang University 1 Zheda Road Zhoushan Zhejiang316000 China Joint Center for Blue Carbon Research Ocean Academy Zhejiang University 1 Zheda Road Zhoushan Zhejiang316000 China Key Laboratory of Marine Ecological Monitoring and Restoration Technologies the Ministry of Natural Resources of China Shanghai201206 China Donghai Laboratory Zhejiang Zhoushan316021 China Key Laboratory of Watershed Non-point Source Pollution Control and Water Eco-security of Ministry of Water Resources College of Environmental and Resources Sciences Zhejiang University Hangzhou310058 China Marine Biology Department Faculty of Biological Sciences Akwa Ibom State University AKSU UyoPMB 1167 Nigeria

Salt marshes are important carbon sinks due to their high carbon sequestration capacity, but face the dilemma of extensive degradation. Biochar is an effective soil amendment to promote carbon storage. However, there are only a few observations on the salt marsh soil and a lack of evidence on factors influencing the performance of biochar. Therefore, we investigated the effects of different fresh and aged biochar (from Spartina alterniflora, corn straw, and Laminaria japonica) on the carbon fraction content and greenhouse gas (GHG) emissions of salt marsh soil with fresh allochthonous organic matter (Enteromorpha prolifera) addition. After 60 days of incubation, soil total carbon (TC) and total organic carbon (TOC) of biochar treatments were significantly increased by 34.54–180.96% and 129.10–590.54%, respectively. After biochar application, TOC loss and global warming potential (GWP) were reduced by 67.29–124.33% and 4.91–123.24%, respectively. The addition of biochar decreased the proportion of labile carbon (dissolved organic carbon (DOC) and microbial biomass carbon (MBC)) in the organic carbon pool by 61.92–86.15%. Biochar aged for a century still had the potential for carbon sequestration and emission reduction. Both fresh and aged biochar were found to reduce the abundance of some functional bacteria involved in organic matter degradation. These results suggest that biochar application in salt marshes may have a sustainable effect in promoting carbon storage and reducing GHG emissions. In addition, biochar had a protective effect on allochthonous organic matter and improved the stability of carbon pool in salt marshes. © 2023, The Authors. All rights reserved.

关键词： Soils

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Merging eDNA and ecological network analysis to assess aquatic ecosystem status

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Ecological Indicators 2025年 176卷

作者： Wang, Xusheng Wang, Xiaonan Ai, Shunhao Wu, Fan Xi, Jiayin Li, Ji Liu, Zhengtao State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and Engineering Tongji University Shanghai200092 China State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental Sciences Beijing100012 China The College of Life Science Nanchang University Nanchang330047 China College of Water Sciences Beijing Normal University Beijing100875 China

Aquatic ecosystems are essential for human environments, however, are highly sensitive to external disturbances, making accurate assessment crucial. This study evaluates the ecological composition and integrity of the Yangtze River Basin using environmental DNA (eDNA) sequencing and network analysis. A comprehensive index of biological integrity (CIBI) was developed based on 63 key metrics selected from 477 candidates, revealing notable seasonal variation in ecological status. By focusing on diversity indices and network parameters, the assessment model avoids the complexity of traditional indicator selection and biological analysis, instead capturing core ecosystem characteristics and reliably predicting the ecological condition of the basin. A structural equation model was used to further refine the model by reducing the number of evaluation indicators, demonstrating that ecological status is affected by physical and nutrient factors, with biodiversity serving as a mediating variable. Overall, ecological status was highest at the river's source, declined downstream, and exhibited pronounced seasonal variation. This study presents a comprehensive framework for aquatic ecosystem assessment, integrating eDNA and network metrics to enhance understanding and prediction of ecological dynamics in the Yangtze River Basin. © 2025 The Author(s)

关键词： Aquatic ecosystems

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Hydrophilic/underwater superoleophobic graphene oxide membrane intercalated by TiO2 nanotubes for oil/water separation

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Frontiers of Environmental Science & Engineering 2018年第3期12卷 159-168页

作者： Zhichao Wu Chang Zhang Kaiming Peng Qiaoying Wang Zhiwei Wang 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 Shanghai 200092 China

Membrane technology for oil/water separation has received increasing attention in recent years. In this study, the hydrophilic/underwater superoleophobic membrane with enhanced water permeability and antifouling ability were fabricated by synergistically assembling graphene oxide （GO） nanosheets and titanium dioxide （TiO2） nanotubes for oil/water separation. GO/TiO2 membrane exhibits hydrophilic and underwater superoleophobic properties with water contact angle of 62° and under water oil contact angle of 162.8°. GO/TiO2 membrane shows greater water permeability with the water flux up to 531 L/ （m^2·h·bar）, which was more than 5 times that of the pristine GO membrane. Moreover, GO/TiO2 membrane had excellent oil/water separation efficiency and anti-oil-fouling capability, as oil residual in filtrate after separation was below 5 mg/L and flux recovery ratios were over 80%.The results indicate that the intercalation of TiO2 nanotubes into adjacent GO nanosheets enlarged the channel structure and modified surface topography of the obtained GO/TiO2 membranes, which improved the hydrophilicity, permeability and anti-oil-fouling ability of the membranes, enlightening the great prospects of GO/TiO2 membrane in oil-water treatment.

关键词： Hydrophilic Superoleophobic Graphene oxide Membrane Titanium dioxide nanotubes Oil-water separation

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Assessment of the ASM2d two-step nitrification model across different seasons: Parameter calibration, microbial analysis, and model validation

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Journal of Environmental Chemical Engineering 2025年第5期13卷

作者： Shiyu Wang Peng Mei Hanying Liang Peipei Shang Peter A. Vanrolleghem Yongmei Li State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and Engineering Tongji University Shanghai 200092 PR China School of Mathematical Sciences Tongji University Shanghai 200092 PR China modelEAU – Université Laval Québec QC G1V 0A6 Canada Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092 PR China

Seasonal variation significantly influences influent conditions, microbial characteristics and pollutant removal in combined sewage treatment plants (CSTPs). In this study, the Activated Sludge Model No. 2d with two-step nitrification (ASM2d-TSN) was divided into an ASM2d-dry model and an ASM2d-wet model based on seasonal variations to simulate a full-scale CSTP. Generally, the influent characteristics of the CSTP were different in summer and autumn (wet season), and the influent quality indices were lower than those in winter (dry season). Among the chemical oxygen demand (COD) fractions of influent, the biodegradable components increased in winter while inert particulate components were higher in summer. In winter, both yield coefficient and the maximum specific growth rate of heterotrophic biomass (0.72 gCOD/gCOD and 5.01 d −1 , respectively) were higher than in summer (0.63 gCOD/gCOD and 3.78 d −1 , respectively). Additionally, the maximum specific growth rate of nitrite oxidizing bacteria was larger in winter (0.489 d −1 ) compared to in summer (0.326 d −1 ). Seasonal microbial shifts were observed through changes in the relative abundances of Nitrosomonas (0.39 % in summer vs. 0.30 % in winter) and Nitrospira (0.87 % in summer vs. 1.48 % in winter), indicating adaptation in nitrification pathways across seasons. Model parameters with high influence were calibrated via steady-state and dynamic methods. Model validation through Theil inequality coefficient values (<0.3) confirmed the accurate simulation of effluent quality in both seasons. This study underscores the importance of seasonal variation and provides novel insights into how seasons drive shifts of microbial community structure, offering modelling support for the simulation and optimization of CSTPs.

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The persistent, bioaccumulative, toxic, and resistance (PBTR) risk assessment framework of antibiotics in the drinking water sources

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Journal of environmental management 2023年第PT B期326卷 116776页

作者： Xinyan Guo Ni Ni Mali Shi Xiaohui Zhang Qingbin Yuan Na Wang Shenghu Zhang Yi Luo Key Laboratory of Pesticide Environmental Assessment and Pollution Control Nanjing Institute of Environmental Science Ministry of Ecology and Environment of the People's Republic of China Nanjing 210042 China. State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing 210023 China. Key Laboratory of Pesticide Environmental Assessment and Pollution Control Nanjing Institute of Environmental Science Ministry of Ecology and Environment of the People's Republic of China Nanjing 210042 China. Electronic address: wangna@***. Key Laboratory of Pesticide Environmental Assessment and Pollution Control Nanjing Institute of Environmental Science Ministry of Ecology and Environment of the People's Republic of China Nanjing 210042 China. Electronic address: zsh@***.

Antibiotics are emerging pollutants largely considered to have a lower risk based on persistent, bioaccumulative, toxic (PBT) risk assessments. However, an increasing number of studies have illustrated that antibiotics are responsible for the global increase in antimicrobial resistance (AMR), which suggests that the risk of antibiotics has been largely underestimated by using PBT risk assessment. Here, we designed an integrated innovation risk assessment framework of persistent, bioaccumulative, toxic, and resistance (PBTR) that accounts for antibiotic resistance to better represent the antibiotic environmental risk. This novel antibiotic risk assessment framework was further verified via application to 39 target antibiotics in the 23 drinking water sources of the lower Yangtze River (LYR), China, during the normal and flood seasons. In contrast with the PBT assessment, single toxicity assessment and single resistance assessment, in the PBTR assessment, 7 of 39 target antibiotics with bacterial insensitivity were observed to represent a more prominent risk, as were the sites sampled during the flood season with low concentrations but high pollution loads, which confirmed that the sensitivity of PBTR risk assessment was instructive. The PBTR risk assessment for the screened priority antibiotics contributes not only representative data but also an innovative approach for identifying resistance risks. Using the positive matrix factorization (PMF) model, the sources of priority antibiotics can be predicted and thus supported the corresponding policy. Overall, this study first constructed a PBTR risk assessment framework, then applied it to facilitate the accurate management of antibiotic pollution at the basin level.

关键词： Antibiotics Drinking water sources PBTR risk Assessment Priority list source

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Microbe-Citric Acid Assisted Phytoremediation of Chromium by Castor Bean (Ricinus Communis L.)

SSRN

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SSRN 2022年

作者： Ali, Shafaqat Rizwan, Muhammad Hussain, Afzal Shahid, Munazzam Jawad Waseem, Muhammad Nafees, Muhammad Department of Environmental Sciences and Engineering Government College University Faisalabad Faisalabad38000 Pakistan Department of Environmental Sciences The University of Lahore Lahore54000 Pakistan Department of Microbiology Government College University Faisalabad Faisalabad38000 Pakistan State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Jiangsu Nanjing210023 China Department of Biological Sciences and Technology China Medical University Taichung 40402 Taiwan

Chromium is one of the heavy metals highly toxic to plant growth and development especially hexavalent chromium (Cr+6) due to its readily available nature and mobility into the environment. The chelating agents and hyperaccumulator plant can contribute to remediating the heavy metals from the contaminated medium. This study was conducted to analyze the role of citric acid and chromium resistant bacteria and castor beans in the remediation of Cr+6 from the polluted soil. The soil was spiked with different concentrations of citric acid (0, 2.5, 5 mM) and chromium (0, 10, 20 mg kg-1). The ripened plants were harvested and analyzed for growth parameters, chlorophyll contents, gas exchange parameters, oxidative stress markers, antioxidant enzymes activities and chromium accumulation in different parts of castor bean plants. The high concentration of chromium 20 mg kg-1 drastically reduced the plant growth, decreased photosynthetic rate and increased oxidative stress. The application of CA improved the plant growth even at the highest concentration of chromium which was further boosted by the combined application of CA and chromium resistant bacteria. However, the performance of staphylococcus aureus was found significantly better than Bacillus subtilis due to its better ability to tolerate chromium toxicity even at high concentrations. The finding proved that castor bean has excellent potential to tolerate high chromium concentrations and can be effectively used to remediate metals contaminated soil. Further, CA and metal resistant bacteria can significantly enhance the phytoremediation potential of castor bean and other hyperaccumulator plants. The bacteria assisted phytoremediation coupled with the chelating agent can be a practical approach to remediate the metals contaminating soils. © 2022, The Authors. All rights reserved.

关键词： Soils

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