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Red mud-based catalysts for the catalytic removal of typical air pollutants: A review

Journal of Environmental Sciences 2023年第5期127卷 628-640页

作者： Jiawei Chen YaoWang Zhiming Liu State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical TechnologyBeijing 100029China Beijing Center for Environmental Pollution Control and Resource Recovery Beijing University of Chemical TechnologyBeijing 100029China Beijing Key Laboratory of Energy Environmental Catalysis Beijing University of Chemical TechnologyBeijing 100029China

Red mud,as a solid waste produced during the alumina production,can cause severe ecoenvironmental pollution and health risks to ***,the resourcing of this type of solid waste is an effective way for the sustainable *** paper reviews the recent progress on red mud-based catalysts for the removal of typical air pollutants,such as the catalytic reduction of nitrogen oxides(NO_(x))by NH_(3)(NH_(3)-SCR)and the catalytic oxidation of CO and volatile organic compounds(VOCs).The factors influencing the catalytic performance and the structure–activity relationship have been *** prospects and directions for the development of such catalysts are also *** review would benefit for the high value-added utilizations of red mud in mitigating atmospheric pollutions.

关键词： Red mud Catalyst NH_(3)-SCR Catalytic oxidation Air pollutants

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Fluorescence analysis of antibiotics and antibiotic-resistance genes in the environment: A mini review

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Chinese Chemical Letters 2024年第10期35卷 82-91页

作者： Yuxin Li Chengbin Liu Qiuju Li Shun Mao College of Environmental Science and Engineering State Key Laboratory of Pollution Control and Resource ReuseTongji UniversityShanghai 200092China Institute for Agri-food Standards and Testing Technology Shanghai Academy of Agricultural SciencesShanghai 201403China

Antibiotics,as widely used antibacterial drug,exist in various environmental *** residues can affect biological metabolism and lead to bacterial resistance and the formation of antibiotic-resistance genes,posing a threat to human health and ecological *** efficient detection methods for antibiotics and antibiotic-resistance genes has great environmental *** detection methods,due to their fast response,high sensitivity and specificity,and low-cost,are widely used in chemical and biological *** review first summarizes the pre-treatment methods for different types of environmental samples,and then focuses on the recent advances of fluorescence methods for the detection of antibiotics and antibiotic-resistance ***,main challenges and future research directions of fluorescence methods for antibiotic and antibiotic-resistance genes detection are *** review highlights the promising prospect of fluorescence methods in-situ detection and monitoring of antibiotics and antibiotic-resistance genes,and provides guidance for the construction of overall risk assessment system of environmental media.

关键词： Antibiotics Antibiotic-resistancegenes Fluorescence detection Environmental samples In-situdetection

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Quantifying the performance of urban sewer network using inverse-problem models: An approach for synchronous determination of in-sewer groundwater infiltration and pollutant degradation

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Journal of Hydrodynamics 2025年第1期37卷 1-13页

作者： Hui-jin Zhang Zu-xin Xu Wan-qiong Wang Shou-hai Peng Chong Li Shuai Fang Danlu Guo Hai-long Yin Key Laboratory of Urban Water Supply Water Saving and Water Environment Governance in the Yangtze River Delta of Ministry of Water ResourcesTongji UniversityChinaShanghai 200092China State Key Laboratory of Pollution Control and Resource Reuse Tongji UniversityShanghai 200092China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China China Three Gorges Corporation Wuhan 430010China School of Engineering College of EngineeringComputing and CyberneticsAustralian National UniversityCanberraAustralia

The performance of sewer network is associated with both clean water infiltration and in-sewer pollutant *** their contributions in large-scale sewer network remains challenging due to the infeasibility of numerous on-site measurements of water flows and water quality concentrations in the whole *** study developed a physically inverse problem approach to address this challenge,which was tested in an actual sewer network system(25.66 km^(2))with gridding-based in-sewer flow rate and water quality *** optimization framework was integrated into sewer hydrodynamic and water quality models to inversely estimate source parameters including source flow rates and source discharge *** simulated annealing algorithm can demonstrate 20.6%-54.2% higher accuracy compared with the other methods,due to its progressive instead of fast and steep convergence toward the true *** the developed approach,the infiltrated clean water infiltration and mass loss of chemical oxygen demand(COD)within the sewer network were quantified ***,the condition of sewer structural defects was assessed,and a reference value for allowable in-sewer COD degradation was also presented,which was 4%-5%COD mass per hour of sewage hydraulic ***,this methodology can provide cost-effective solution for comprehensive assessment of sewer network conditions.

关键词： Sewer network mathematical model inverse problem approach pollutant degradation hydraulic transport

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Synergistic effects of peroxydisulfate on UV/O_(3) process for tetracycline degradation:Mechanism and pathways

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Chinese Chemical Letters 2024年第10期35卷 408-413页

作者： Fengrui Yang Debing Wang Xinying Zhang Jie Zhang Zhichao Wu Qiaoying Wang State Key Laboratory of Pollution Control and Resource Reuse Shanghai Institute of Pollution Control and Ecological SecuritySchool of Environmental Science and EngineeringTongji UniversityShanghai 200092China Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology College of Environment&Safety EngineeringFuzhou University.Fuzhou 350108China

Tetracycline(TC)as a typical emerging pollutant is becoming a serious threat to the environment and human health.A combined advanced oxidation technology of UV/Ozone(O_(3))/peroxydisulfate(PDS)process was developed to explore an efficient and economic treatment process of TC in ***,the reactive sites and transformation pathways of TC were explored and the toxicity of the intermediates was quantified with a quantitative structure-activity relationship(QSAR)*** degradation performance of TC was substantially enhanced in UV/O_(3)/PDS process with a kobsof 0.0949 min-1,which was 2.3 times higher than UV/O_(3)and 3.2 times than sole *** results demonstrated that there was a superior synergistic effect of PDS on UV/O_(3)processes for the degradation of *** paramagnetic resonance(EPR)analysis and quenching experiments show that·OH,SO_(4)·-,O_(2)·-and1O_(2)all contributed to TC degradation in the UV/O_(3)/PDS process and exhibited a synergistic effect,which inhibited the generation of harmful *** addition,the UV/O_(3)/PDS system can effectively degrade TC in a wide range of substrate concentrations and pH,and also showed excellent adaptability to various concentrations of anions(Cl-and HCO_(3)-).This study proves the feasibility of UV/O_(3)/PDS process for treating TC contaminated wastewater with complicated water matrix.

关键词： UV/ozonation/peroxydisulfate Synergistic effect Tetracycline Degradation Wastewater

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Smart Gas Sensors:Recent Developments and Future Prospective

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Nano-Micro Letters 2025年第3期17卷 55-86页

作者： Boyang Zong Shufang Wu Yuehong Yang Qiuju Li Tian Tao Shun Mao College of Environmental Science and Engineering Biomedical Multidisciplinary Innovation Research InstituteShanghai East HospitalState Key Laboratory of Pollution Control and Resource ReuseTongji University1239 Siping RoadShanghai 200092People’s Republic of China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092People’s Republic of China Microbiome Medicine Center Department of Laboratory MedicineZhujiang HospitalSouthern Medical UniversityGuangzhou 510280People’s Republic of China

Gas sensor is an indispensable part of modern society withwide applications in environmental monitoring,healthcare,food industry,public safety,*** the development of sensor technology,wireless communication,smart monitoring terminal,cloud storage/computing technology,and artificial intelligence,smart gas sensors represent the future of gassensing due to their merits of real-time multifunctional monitoring,earlywarning function,and intelligent and automated *** electronicand optoelectronic gas sensors have been developed for high-performancesmart gas *** the development of smart terminals and the maturityof integrated technology,flexible and wearable gas sensors play an increasingrole in gas *** review highlights recent advances of smart gassensors in diverse *** structural components and fundamentalprinciples of electronic and optoelectronic gas sensors are described,andflexible and wearable gas sensor devices are ***,sensorarray with artificial intelligence algorithms and smart gas sensors in“Internet of Things”paradigm are ***,the challengesand perspectives of smart gas sensors are discussed regarding the future need of gas sensors for smart city and healthy living.

关键词： Smart gas sensor Electronic sensor Optoelectronic sensor Flexible and wearable sensor Artificial intelligence

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Efficient removal and recovery of Cd^(2+)from aqueous solutions by capacitive deionization(CDI)method using biochars

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Journal of Materials Science & Technology 2023年第17期148卷 10-18页

作者： Zhao Song Lingyu Li Yidi Chen Xiaoguang Duan Nanqi Ren State Key Laboratory of Urban Water Resource and Environment Shenzhen Key Laboratory of Organic Pollution Prevention and ControlSchool of Civil and Environmental EngineeringHarbin Institute of Technology(Shenzhen)Shenzhen 518055China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA 5005Australia

Biochars are low-cost and sustainable materials for environmental *** this work,we pre-pared three biochars using pomelo peel(P-BC),algae(A-BC),and corncob(C-BC)to recover Cd^(2+)from wastewater via capacitive deionisation(CDI).A-BC possesses the highest amount of mesopores and nitro-gen functionality and attains the highest removal of Cd^(2+)via physical *** the electro-sorption capacity,C-BC and A-BC perform better capacitive removal of Cd^(2+)than P-BC due to the smaller charge-transfer and mass-transfer ***,this work investigated the impacts of surface morphology,cell voltage,NaCl,initial pH,and Cd^(2+)concentrations on Cd^(2+)capacitive removal and electrode regen-eration *** results indicated that A-BC and C-BC may be prospective materials for Cd^(2+)removal from wastewater by ***,the presence of competing cations at high concentrations may influence the removal of Cd^(2+)at a low level,requiring the modification of A-BC and C-BC in future work.

关键词： Biochar Cd removal Capacitive deionisation Heavy metals Selectivity

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Linkages of volatile fatty acids and polyhexamethylene guanidine stress during sludge fermentation:Metagenomic insights of microbial metabolic traits and adaptation

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Chinese Chemical Letters 2023年第6期34卷 172-177页

作者： Feng Wang Wei Du Wenxuan Huang Shiyu Fang Xiaoshi Cheng Leiyu Feng Jiashun Cao Jingyang Luo Yang Wu Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes Ministry of EducationHohai UniversityNanjing 210098China College of Environment Hohai UniversityNanjing 210098China State Key Laboratory of Pollution Control and Resource Reuse School of Environmental Science and EngineeringTongji UniversityShanghai 200092China

The massive use of polyhexamethylene guanidine(PHMG),as a typical bactericidal agent,raised environmental concerns to the *** work comprehensively revealed the hormesis effects of PHMG occurred in waste activated sludge(WAS)on the generation of volatile fatty acids(VFAs)during anaerobic *** low level of PHMG(100 mg/g TSS)significantly promoted the VFAs generation(1283 mg COD/L,compared with 337 mg COD/L in the control)via synchronously facilitating the solubilization,hydrolysis,and acidification steps but inhibiting *** analysis showed that the functional anaerobe(i.e.,Bacteroides,Macellibacteroide and Parabacteroide)and corresponding genetic expressions responsible for extracellular hydrolysis(i.e.,clp P),membrane transport(i.e.,ffh and gsp F),intracellular substrates metabolism(i.e.,ald and paa F)and VFAs biosynthesis(i.e.,ACACA and FASN)were enhanced in the optimal presence of ***,the anaerobic species could respond and adapt to low PHMG stimuli via quorum sensing(i.e.,cqs A,rpf C and rpf G),and thus maintain the high microbial metabolic ***,they were unable to tolerate the toxicity of excessive PHMG,resulting in the extremely low VFAs *** work enlightened the effects of emerging pollutants on WAS fermentation at the genetic levels,and provided guidance on the WAS treatment and resource recovery.

关键词： Polyhexamethylene guanidine(PHMG) Waste activated sludge(WAS) Volatile fatty acids(VFAs) Metabolic pathways Adaptive mechanisms

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Chinese Chemical Letters 2023年第4期34卷 396-401页

作者： Jingyang Luo Yuxiao Li Wenxuan Huang Feng Wang Shiyu Fang Xiaoshi Cheng Qian Feng Fang Fang Jiashun Cao Yang Wu Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes Ministry of EducationHohai UniversityNanjing 210098China College of Environment Hohai UniversityNanjing 210098China State Key Laboratory of Pollution Control and Resource Reuse School of Environmental Science and EngineeringTongji UniversityShanghai 200092China

The distinct influences of cephalosporins(CEPs, i.e., cefamandole nafate and cefpirome sulfate) affiliated to different generations on the volatile fatty acids(VFAs) production and antibiotic resistance genes(ARGs) fates during waste activated sludge(WAS) fermentation were unveiled. The presence of CEPs mainly exhibited negative effects on the total VFAs production(5%–15% reduction), especially the cefamandole nafate, which is quite different to previous understanding. Further investigation revealed that the CEPs contributed to the solubilization and hydrolysis but inhibited the acidification process by affecting the functional microbial populations(i.e., Tissierella) and general microbial metabolic activities(i.e., pyruvate metabolism and VFAs biosynthesis). In addition, CEPs(especially the cefpirome sulfate)caused the propagation of ARGs(i.e., bla TEM, tet X and mex F) during WAS fermentation. CEPs enhanced the cell membrane permeability to promote the antibiotics mechanism of efflux pump and the horizontal transfer of ARGs. Also, the CEPs altered the regulatory systems(i.e., two component system) and microbial populations associated with ARGs, resulting in the proliferation of specific ARGs. Overall, the dissimilarity of different CEPs impacts on the WAS fermentation for VFAs production and ARGs variations enlightened the diverse environmental behaviors of anthropogenic pollutants and evoked the caution of ecological risks.

关键词： Wasteactivated sludge(WAS) Cephalosporins(CEPs) Volatilefattyacids(VFAs) Antibiotic resistancegenes(ARGs) Geneticexpressions

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Synergistic effects of sodium hypochlorite disinfection and iron-oxidizing bacteria on early corrosion in cast iron pipes

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Frontiers of Environmental Science & Engineering 2022年第6期16卷 61-70页

作者： Weiying Li Yu Tian Jiping Chen Xinmin Wang Yu Zhou Nuo Shi State Key Laboratory of Pollution Control and Resource Reuse Tongji UniversityShanghai 200092China College of Environmental Science and Engineering Tongji UniversityShanghai 200092China

Corrosion in drinking water distribution systems(DWDSs)may lead to pipe failures and water quality deterioration;biocorrosion is the most common *** disinfectants are widely used in DWDSs to inhibit microorganism growth,but these also promote electrochemical corrosion to a certain *** study explored the independent and synergistic effects of chlorine and microorganisms on pipeline *** hypochlorite(NaOCl)at different concentrations(0,0.25,0.50,and 0.75 mg/L)and iron-oxidizing bacteria(IOB)were added to the reaction system,and a biofilm annular reactor(BAR)was employed to simulate operational water supply pipes and explain the composite *** degree of corrosion became severe with increasing NaOCl *** accelerated the corrosion rate at an early stage,after which the reaction system gradually *** NaOCl and IOB existed together in the BAR,both synergistic and antagonistic effects occurred during the corrosion *** AOC content increased due to the addition of NaOCl,which is conducive to bacterial ***,biofilm on cast iron coupons was greatly influenced by the disinfectant,leading to a decrease in microbial biomass over *** research is needed to provide guidelines for pipeline corrosion control.

关键词： Cast iron pipe corrosion Drinking water distribution systems Chlorine disinfection Iron-oxidizing bacteria Coupling effects

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Data-driven models employed to waste plastic in China: Generation, classification, and environmental assessment

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Journal of Industrial Ecology 2023年第1期27卷 170-181页

作者： Lin, Kunsen Zhao, Youcai Zhang, Meilan Shi, Wenjie Kuo, Jia-Hong The State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and Engineering Tongji University Shanghai China Shanghai Institute of Pollution Control and Ecological Security Shanghai China Department of Safety Health and Environmental Engineering National United University Maoli Taiwan

It is crucial to precisely predict the generation of plastic waste and realize its fine classification in terms of policy demand and environmental benefits. Only a few studies have used the date-driven model to forecast the amount of plastic waste. The benefits of classifying the plastic waste using deep learning have also been only scarcely reported in the literature. Therefore, this study used the Prophet model to estimate the amount of plastic waste from 2005 to 2025. Four types of Visual Geometry Group Networks based on Transfer Learning (TLVGGNet) were performed for classifying the plastic waste. Potentials of saved energy, the reduction of green-house gases emission (GHG), and air pollutants were also discussed under different scenarios (current recycling system and TLVGGNet system). The results showed that the amount of waste plastic was anticipated to be 26.44 Mt in 2020 and 33.18 Mt in 2025 in China. The method of transfer learning could shorten the training time and improve the performance of the TLVGGNet-11 model in the test dataset (41.6–68.1%). Moreover, TLVGGNet-16 was considered to be the most optimum model for plastic waste classification in terms of training time (83.94 s), accuracy (75.5%), precision (76.9%), recall (75.5%), and F1 score (75.1%). The TLVGGNet-16 system contributes about 12.15–15.97% in terms of electricity-savings. Compared with the current recycling system, the amount of CO2 emissions saved and reduction in CH4 emissions could be more than 8–10% and 0.4–0.5%, respectively, in the TLVGGNet-16 system. The saved VOCS and NOX emissions were within the ranges of 34.84–127.22 billion kg and 93.64–414.14 billion kg between 2017 and 2025 using the method of deep learning. © 2022 by the International Society for Industrial Ecology.

关键词： Greenhouse gases

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