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Boosting Peroxymonosulfate Activation via Co-Based LDH-Derived Magnetic Catalysts:A Dynamic and Static State Assessment of Efficient Radical-Assisted Electron Transfer Processes
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作者 Wenhan Yang Junming Xia +8 位作者 Fanfan Shang Ge Ge Yang Bin Wang Hairui Cai lingyun jing Hao Zhu Shengchun Yang Chao Liang Guosheng Shao 《Energy & Environmental Materials》 SCIE EI CAS CSCD 2024年第5期301-312,共12页
Heterogeneous catalysts promoting efficient production of reactive species and dynamically stabilized electron transfer mechanisms for peroxomonosulfates(PMS)still lack systematic investigation.Herein,a more stable ma... Heterogeneous catalysts promoting efficient production of reactive species and dynamically stabilized electron transfer mechanisms for peroxomonosulfates(PMS)still lack systematic investigation.Herein,a more stable magnetic layered double oxides(CFLDO/N-C),was designed using self-polymerization and high temperature carbonization of dopamine.The CFLDO/N-C/PMS system effectively activated PMS to remove 99%(k=0.737 min^(-1))of tetracycline(TC)within 10 min.The CFLDO/N-C/PMS system exhibited favorable resistance to inorganic anions and natural organics,as well as satisfactory suitability for multiple pollutants.The magnetic properties of the catalyst facilitated the separation of catalysts from the liquid phase,resulting in excellent reproducibility and effectively reducing the leaching of metal ions.An electronic bridge was constructed between cobalt(the active platform of the catalyst)and PMS,inducing PMS to break the O-O bond to generate the active species.The combination of static analysis and dynamic evolution confirmed the effective adsorption of PMS on the catalyst surface as well as the strong radical-assisted electron transfer process.Eventually,we further identified the sites where the reactive species attacked the TC and evaluated the toxicity of the intermediates.These findings offer innovative insights into the rapid degradation of pollutants achieved by transition metals in SR-AOPs and its mechanistic elaboration. 展开更多
关键词 advanced oxidation process degradation mechanisms electron transport layered double hydroxide reactive species
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Hazardous Waste Management in the Guangdong-Hong Kong-Macao Greater Bay Area
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作者 Beidou Xi Tianxue Yang +4 位作者 Rui Zhao lingyun jing Tiancheng Gong Qifei Huang Li’an Hou 《Engineering》 SCIE EI 2022年第1期25-28,共4页
1.Introduction Coordinated regional development is one of the national strategies in the new era[1].The fifth plenary session of the 19th Central Committee of the Communist Party of China(CPC)proposed to“promote coor... 1.Introduction Coordinated regional development is one of the national strategies in the new era[1].The fifth plenary session of the 19th Central Committee of the Communist Party of China(CPC)proposed to“promote coordinated regional development,”“persist in implementing a coordinated regional development strategy,”and“improve the coordinated regional development system and mechanism”[2]. 展开更多
关键词 COORDINATED GUANGDONG MACAO
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