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Investigation into enhanced performance of toluene and Hg0 stimulative abatement over Cr-Mn oxides co-modified columnar activated coke

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成果类型:
期刊论文
作者:
Wang, Jiajie;Liu, Jie;Gao, Lei;Xie, Dong;Li, Caiting;...
通讯作者:
Lei Gao
作者机构:
School of Resources Environment and Safety Engineering, University of South China, Hengyang 421001, China
National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, Hengyang 421001, China
Key Laboratory of Prefabricated Building Energy Saving Technology of Hunan Province, Hengyang 421001, China
[Li, Caiting] College of Environmental Science and Engineering, Hunan University, Changsha 410082, China
[Wang, Jiajie; Liu, Jie; Xiong, Huiyu; Xie, Jiaqi; Pan, Yueguo] School of Resources Environment and Safety Engineering, University of South China, Hengyang 421001, China<&wdkj&>National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, Hengyang 421001, China<&wdkj&>Key Laboratory of Prefabricated Building Energy Saving Technology of Hunan Province, Hengyang 421001, China
通讯机构:
[Lei Gao] S
School of Resources Environment and Safety Engineering, University of South China, Hengyang 421001, China<&wdkj&>National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, Hengyang 421001, China<&wdkj&>Key Laboratory of Prefabricated Building Energy Saving Technology of Hunan Province, Hengyang 421001, China<&wdkj&>College of Environmental Science and Engineering, Hunan University, Changsha 410082, China
语种:
英文
关键词:
Binary alloys;Catalysts;Catalytic oxidation;Coke;Cost effectiveness;Efficiency;Physicochemical properties;Redox reactions;Temperature distribution;Toluene;Activated cokes;Cr-mn oxide;Element mercury;Mn oxides;Performance;Physicochemical property;Removal efficiencies;Removal performance;XRD;]+ catalyst;Oxygen;chromium;column;experimental study;laboratory method;manganese;oxidation;oxide;physicochemical property;removal experiment;toluene
期刊:
环境科学学报(英文版)
ISSN:
1001-0742
年:
2025
卷:
148
页码:
88-106
基金类别:
This work was supported by the Scientific Research Project of Hunan Provincial Department of Education (No. 22B0458 ), and the National Natural Science Foundation of China (No. 52270102 ).
机构署名:
本校为第一且通讯机构
摘要:
In this study, a string of Cr-Mn co-modified activated coke catalysts (XCryMn1-y/AC) were prepared to investigate toluene and Hg0 removal performance. Multifarious characterizations including XRD, TEM, SEM, in situ DRIFTS, BET, XPS and H2-TPR showed that 4%Cr0.5Mn0.5/AC had excellent physicochemical properties and exhibited the best toluene and Hg0 removal efficiency at 200℃. By varying the experimental gas components and conditions, it was found that too large weight hourly space velocity would reduce the removal efficiency of toluene and Hg0...

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