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Simultaneous catalytic removal of NO and chlorobenzene over Mn-Ce-Sm-Sn-O_x/P84 composite catalytic filter

Journal of Rare Earths 2025年第3期43卷 526-533,I0004页

作者： Mutao Xu Liguo Chen Xinpei Cheng Qijie Jin Ranran Zhou Jian Yang Chengzhang Zhu Sheng Wang Haitao Xu School of Environmental Science and Engineering Nanjing Tech UniversityNanjing210009China State Key Laboratory for Clean and Efficient Coal-fired Power Generation and Pollution Control State Key Laboratory of Low-carbon Smart Coal-fired Power Generation and Ultra-clean EmissionNanjing210046China College of Materials Science and Engineering Nanjing Tech UniversityNanjing210009China State Key Laboratory of Materials-Oriented Chemical Engineering Nanjing Tech UniversityNanjing210009China Nanjing Gekof Institute of Environmental Protection Technology&Equipment Co. Nanjing210031China

The integration of surface filtration and catalytic decomposition functions in catalytic bags enables the synergistic removal of multiple pollutants(such as dust,nitrogen oxide,acid gases,and dioxins)in a single reactor,thus effectively reducing the cost and operational difficulties associated with flue gas *** this study,Mn-Ce-Sm-Sn(MCSS)catalysts were prepared and loaded onto hightemperature resistant polyimide(P84)filter through ultrasonic impregnation to create composite catalytic *** results demonstrate that the NO conversion rates of the composite catalytic filter consistently achieve above 95%within the temperature range of 160-260℃,with a chlorobenzene T_(90)value of 230℃.The ultrasonic impregnation method effectively loaded the catalyst onto the filter,ensuring high dispersion both on the surface and inside the *** increased exposure of catalyst active sites enhances the catalytic activity of the composite catalytic ***,increasing the catalyst loading leads to a gradual decrease in permeability,an increase in pressure drops and the long residence time of the flue gas,thereby improving catalytic *** to ordinary impregnation methods,ultrasonic impregnation improves the bonding strength between the catalyst and filter,as well as the permeability of the composite catalytic filter under the same loading ***,this study presents a novel approach to prepare composite catalytic filter for the simultaneous removal of NO and chlorobenzene at low temperatures.

关键词： Compound catalytic filter Simultaneous catalysis Polyimide fibers Ultrasonic impregnation Rare earths

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Correction of Wind Power Prediction Error Under the Extreme Weather Based on K-nearest Neighbor Algorithm 1

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8th Purple Mountain Forum on smart Grid protection and control, PMF 2023

作者： Ye, Wenjie Liu, Gang Yang, Dongmei Liang, Yiheng Yang, Yize Tang, Chenghong Chen, Yizhi State Key Laboratory of Smart Grid Protection and Control Nanjing211106 China Nanjing211106 China NARI Technology Development Co. Ltd Nanjing211106 China

ISBN: (数字)9789819992515

ISBN: (纸本)9789819992508

Extreme weather, such as cold waves and frosts, can significantly impact the output of wind farms. To address this issue, this paper proposes a short-term power prediction and correction method suitable for wind farms during extreme weather, based on the K-nearest neighbor algorithm and multiple linear regression model. By verifying that wind power output is affected by wind speed, temperature, humidity, wind power kurtosis, and other factors, the K-nearest neighbor algorithm is used to obtain the sample set of similar days on the day to be measured. The regression model of influencing factors and output errors is established to improve the power prediction accuracy. A wind farm in northwest China is used as a test example to verify the effectiveness of the output correction method. © 2024, state Grid Electric Power.

关键词： Nearest neighbor search

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Review on Optimization of Nuclear Power Development:A Cyber-Physical-Social System in Energy Perspective

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Journal of Modern Power Systems and Clean Energy 2022年第3期10卷 547-561页

作者： Xinxin Yang Bin Cai Yusheng Xue School of Electrical Engineering Southeast UniversityNanjingChina State Grid Electric Power Research Institute(NARI Group Corporation) NanjingChina State Key Laboratory of Smart Grid Protection and Operation Control NanjingChina

Nuclear power development is a complex issue spanning cyber,physical,and social systems that is essential to achieving energy security and climate *** the ongoing worldwide trend towards carbon neutrality,the positioning of nuclear power in energy mix should be *** paper aims to present a systematic review of current research on optimization of nuclear power *** concept of cyber-physical-social system in energy(CPSSE)is adopted,which provides a suitable perspective and enables the review of relevant studies to achieve some novel *** on the CPSSE,firstly,a research framework is established and the main research elements in optimization are identified,followed by a proposed conceptual risk-based optimization ***,current studies are analyzed and classified into four categories according to the research *** status quo and limitations are *** is found that the research results of nuclear-specific issues have not been well integrated into the optimization of nuclear *** a relatively reliable power supply,nuclear power is capable of maintaining power and electricity adequacy of the whole system,especially in the case of power shortage caused by long-period low output of renewable energy or extreme external *** superiority should not be ignored in the *** critical factors that should be further considered include disruptive technologies,nuclear safety,energy policies,and stakeholder ***,suggestions are given for future research.

关键词： Carbon emission carbon neutrality cyber-physical-social system in energy(CPSSE) comprehensive evaluation dynamic interactive hybrid simulation energy transition multi-objective optimization

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A Fault Ranging Method Applicable for the Four-Terminal Lines 7th

A Fault Ranging Method Applicable for the Four-Terminal Line...

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7th Purple Mountain Forum on smart Grid protection and control, PMF2022

作者： Yu, Hong Sun, Liangkai Wu, Tonghua Wang, Xiaohong Yang, Pingyi Jiang, Yuan NARI Group Corporation Jiangsu Nanjing211106 China State Key Laboratory of Smart Grid Protection and Control Jiangsu Nanjing211106 China

ISBN: (纸本)9789819900626

With the rapid development of new energy resources and the economic consideration for the construction of the grid, the four-terminal and above lines are being used more and more, but subject to technical and other conditions, the fault ranging of the current multi-terminal line is mostly single-terminal ranging achieved by distance protection, which has large errors when a single-phase ground fault occurs via transition resistance. In this paper, a double-terminal data ranging method is introduced for multi-terminal line faults based on the combined sequence component. First, the fault section selection is performed by the combined sequence component bucking voltage algorithm. Then the fault ranging is performed based on the fault section selection results with the analog information collected at the first end of the faulty branch and the virtual analog information at the nearest T-point of the branch. After theoretical analysis and RTDS simulation experiments, it is verified that the above fault ranging methods can accurately range the multi-terminal line faults under various conditions of line faults. © state Grid Electric Power Research Institute 2023.

关键词： Energy resources

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High potential in synergizing the reduction of dissolved organic carbon concentration and carbon dioxide emissions for submerged-vegetationcovered river networks

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Journal of Environmental Sciences 2025年第5期151卷 298-309页

作者： Qingqian Li Ruixia Liu Zhangmu Jing Yanjie Wei Shengqiang Tu Huibin Yu Hongjie Gao Peng Yuan State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental ScienceBeijing 100012China State Environmental Protection Key Laboratory of Estuarine and Coastal Environment Chinese Research Academy of Environmental ScienceBeijing 100012China State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China College of Municipal and Environmental Engineering Shenyang Jianzhu UniversityShenyang 110168China

Various technologies and projects have been explored and developed for the synergetic control of environmental pollution and carbon emissions in aquatic *** submerged vegetation in shallow waters was also expected to achieve this ***,the magnitude and mechanism of carbon dioxide(CO_(2))emission affected by submerged vegetation is not clear enough in complex aquatic *** study investigated the influences of submerged plants on CO_(2)emission,ecosystem metabolism features,and microbial community traits based on observations in river networks on the Changjiang River *** results showed that CO_(2)emission from planted waters accounted for 73%of unplanted ***,planted waters had higher dissolved organic carbon removal capacity in overlying water and higher potential of carbon sequestration in sediment at the same *** distinctions between the two habitats were attributed to(1)improved CO_(2)and bicarbonate consumption in water columns via enhancing photosynthesis and(2)inhibited CO_(2)production by reconstructing the benthic microbial *** eco-advantages were found in planted sediments,such as a high potential of methane oxidation and xenobiotics biodegradation and a low risk of becoming black and *** brief,submerged vegetation is beneficial in promoting pollution removal and carbon retention *** study advances our understanding of the feedback between aquatic metabolism and CO_(2)emission.

关键词： Mitigated CO_(2)emission Submerged vegetation Paired O_(2)-CO_(2)departure Carbon uptake velocity Microbial metabolism pathways The Changjiang River

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A self-cleaning window for high-efficiency photodegradation of indoor formaldehyde

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Chinese Chemical Letters 2024年第9期35卷 340-345页

作者： Changzhu Huang Wei Dai Shimao Deng Yixin Tian Xiaolin Liu Jia Lin Hong Chen Department of Physics Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric PowerShanghai University of Electric PowerShanghai 200090China Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution ControlGuangdong Provincial Key Laboratory of Soil and Groundwater Pollution ControlSchool of Environmental Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China Eastern Institute for Advanced Study Eastern Institute of TechnologyNingbo 315200China

Formaldehyde(HCHO)as an indoor air pollutant released by new furniture and decorative materials is of great *** a self-cleaning device to remove HCHO is an ideal way to improve indoor air *** this study,a self-cleaning window with a multilayered structure constructed from fluorinedoped tin oxide/bismuth tungstate/resorcinol-formaldehyde resin(FTO/Bi_(2)WO_(6)/RF)has been fabricated,which is capable of degrading HCHO in natural indoor *** as-fabricated device could utilize the natural room light and promote the generation and transfer of the photocatalytic carriers in Bi_(2)WO_(6),which subsequently delivers a good catalytic oxygen reduction efficiency in RF to produce hydrogen peroxide(H_(2)O_(2)).The as-synthesized H_(2)O_(2)could further split into hydroxyl radicals(•OH),then oxide the HCHO molecules in the *** present study demonstrates a novel and efficient strategy to fabricate a transparent multifunctional window for self-cleaning indoor gaseous pollutants,the concept is of great importance to be expanded in a broad range of indoor furniture for in-house air pollution control.

关键词： Bismuth tungstate Resorcinol-formaldehyde Photocatalysis Hydrogen peroxide HCHO degradation

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Simultaneous Degradation, Dehalogenation, and Detoxification of Halogenated Antibiotics by Carbon Dioxide Radical Anions

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Engineering 2024年第6期37卷 78-86页

作者： Yanzhou Ding Xia Yu Shuguang Lyu Huajun Zhen Wentao Zhao Cheng Peng Jiaxi Wang Yiwen Zhu Chengfei Zhu Lei Zhou Qian Sui State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process School of Resources and Environmental EngineeringEast China University of Science and TechnologyShanghai 200237China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China Shanghai Academy of Environmental Sciences Shanghai 200233China

Despite the extensive application of advanced oxidation processes(AOPs)in water treatment,the efficiency of AOPs in eliminating various emerging contaminants such as halogenated antibiotics is constrained by a number of *** moieties exhibit strong resistance to oxidative radicals,affecting the dehalogenation and detoxification *** address these limitations of AOPs,advanced reduction processes(ARPs)have been ***,a novel nucleophilic reductant—namely,the carbon dioxide radical anion(CO_(2)^(·-))—is introduced for the simultaneous degradation,dehalogenation,and detoxification of florfenicol(FF),a typical halogenated *** results demonstrate that FF is completely eliminated by CO_(2)^(·-),with approximately 100%of Cland 46%of Freleased after 120 min of *** detoxification is observed,which exhibits a linear response to the release of free inorganic halogen ions(R^(2)=0.97,p<0.01).The formation of halogen-free products is the primary reason for the superior detoxification performance of this method,in comparison with conventional hydroxyl-radical-based *** identification and density functional theory(DFT)calculations reveal the underlying dehalogenation mechanism,in which the chlorine moiety of FF is more susceptible than other moieties to nucleophilic attack by CO_(2)^(·-).Moreover,CO_(2)^(·-)-based ARPs exhibit superior dehalogenation efficiencies(>75%)in degrading a series of halogenated antibiotics,including chloramphenicol(CAP),thiamphenicol(THA),diclofenac(DLF),triclosan(TCS),and ciprofloxacin(CIP).The system shows high tolerance to the pH of the solution and the presence of natural water constituents,and demonstrates an excellent degradation performance in actual groundwater,indicating the strong application potential of CO_(2)^(·-)-based ARPs in real ***,this study elucidates the feasibility of CO_(2)^(·-)for the simultaneous degradation,dehalogenation,and detoxification of halog

关键词： Carbon dioxide radical anions Advanced reduction processes Halogenated antibiotics Dehalogenation Detoxification

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A Coupled RTK/INS Positioning Method Based on Robust Estimation 14th

A Coupled RTK/INS Positioning Method Based on Robust Estimat...

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14th China Satellite Navigation Conference, CSNC 2024

作者： Yu, Huizhen Teng, Xianliang Pan, Shuguo Zhang, Min Shen, Jian Gao, Wang School of Instrument Science and Engineering Southeast University Nanjing210096 China State Key Laboratory of Smart Grid Protection and Control Nari Group Corporation Jiangsu Nanjing211106 China

ISBN: (纸本)9789819969319

In the urban environment, the positioning results of RTK/INS integrated navigation are often influenced by grosses, which degrades the positioning accuracy and damages the stability of the navigation system. To solve this dilemma, a loose coupled RTK/INS positioning method based on robust estimation is proposed. Firstly, during RTK positioning, for eliminating corrupted measurements caused by Non-Line-of-Sight (NLOS) signals and multipath, this paper researches the RTK positioning algorithm based on bifactor robust estimation. In this method, the ambiguity is fixed and solved back into the Double-Difference (DD) equation in least square model. The posterior residual vector is used for the bifactor robust processing to eliminate the influence of some abnormal observations. Then, the RTK positioning results are loosely integrated with Inertial Navigation System (INS), and the robust processing based on Huber equivalent weight function is implemented in the process of the Kalman filter update. Finally, the proposed algorithm is validated by vehicle data in a typical urban environment. The experimental results show that compared with the traditional least squares-based RTK, the accuracy of the bifactor RTK method is improved by 2.48 cm in the horizontal direction. Meanwhile, in contrast with the RTK/INS method based on the single robust processing, the accuracy of the proposed robust bifactor error method in the horizontal direction is increased by 3.85 cm. The navigation accuracy and reliability are significantly enhanced. In dynamic environment, this research has certain theoretical reference and practical value for vehicular and autonomous driving applications. © Aerospace Information Research Institute 2024.

关键词： Kalman filters

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Degradation of chloroxylenol by CoS_x activated peroxomonosulfate:Role of cobalt-sulfur ratio

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Chinese Chemical Letters 2025年第4期36卷 379-383页

作者： Jiayi Guo Liangxiong Ling Qinwei Lu Yi Zhou Xubiao Luo Yanbo Zhou State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process East China University of Science and TechnologyShanghai 200237China School of Life Sciences Key Laboratory of Jiangxi Province for Functional Biology and Pollution Control in Red Soil RegionsJinggangshan UniversityJi'an 343009China State Key Laboratory of Coal Liquification Gasification and Utilization with High Efficiency and Low Carbon TechnologyShanghai 200237China

Cobalt sulfide has received widespread attention in the advanced oxidation treatment of wastewater,and its catalytic activity is infiuenced by crystal structure and exposed active *** work successfully constructed three types of cobalt sulfides,namely Co_(9)S_(8),Co_(3)S_(4)and CoS_(2),by changing the molar ratio of cobalt to *** results showed that the degradation efficiency of Co_(9)S_(8),Co_(3)S_(4)and CoS_(2) on chloroxylenol by activated peroxomonosulfate(PMS)were 100%,88.70%and 67.73%,*** with density functional theory(DFT),the structural properties and reaction energy barriers of different cobaltsulfur ratios were *** the ratio of cobalt to sulfur increases,the sulfur vacancies realized a fuller exposure of active sites(Co_(surf.)^(2+))on the surface of the catalysts,with a highly linear relationship with the reaction rate constant(R^(2)=0.945).This work explores the structure-activity relationship between cobalt sulfur ratio and degradation efficiency,which can guide new catalyst synthesis.

关键词： Peroxymonosulfate Fenton-like reaction Cobalt sulfides Chloroxylenol degradation Morphology control

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Dynamic coupling of ferrihydrite transformation and associated arsenic desorption/redistribution mediated by sulfate-reducing bacteria

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Journal of Environmental Sciences 2024年第1期135卷 39-50页

作者： Wenjing Zhou Huiyan Zhu Shiwen Hu Bowei Zhang Kun Gao Zhi Dang Chongxuan Liu State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control School of Environmental Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters Ministry of EducationSouth China University of TechnologyGuangzhou 510006China

Sulfate-reducing bacteria play an important role in the geochemistry of iron(oxyhydr)oxide and arsenic(As)in natural environments;however,the associated reaction processes are yet to be fully *** this study,batch experiments coupled with geochemical,spectroscopic,microscopic,and thermodynamic analyses were conducted to investigate the dynamic coupling of ferrihydrite transformation and the associated As desorption/redistribution mediated by Desulfovibrio vulgaris(***).The results indicated that *** could induce ferrihydrite transformation via S^(2-)-driven and direct reduction *** the absence of SO_(4)^(2-),*** directly reduced ferrihydrite,and As desorption and re-sorption occurred simultaneously during the partial transformation of ferrihydrite to *** increase in SO_(4)^(2-)loading promoted the S^(2-)-driven reduction of ferrihydrite and accelerated the subsequent mineralogical *** the low and medium SO_(4)^(2-)treatments,ferrihydrite was completely transformed to a mixture of magnetite and mackinawite,which increased the fraction of As in the residual phase and stabilized *** the high SO_(4)^(2-)treatment,although the replacement of ferrihydrite by only mackinawite also increased the fraction of As in the residual phase,22.1%of the total As was released into the solution due to the poor adsorption affinity of As to mackinawite and the conversion of As^(5+)to As^(3+).The mechanisms of ferrihydrite reduction,mineralogy transformation,and As mobilization and redistribution mediated by sulfate-reducing bacteria are closely related to the surrounding SO_(4)^(2-)*** results advance our understanding of the biogeochemical behavior of Fe,S,and As,and are helpful for the risk assessment and remediation of As contamination.

关键词： Sulfate-reducing bacteria Arsenic Ferrihydrite Transformation Redistribution

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