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Development of a compact MnO2 filter for removal of SO2 from diesel vehicle emissions
Liu, Xuecheng1,2; Osaka, Yugo3,4; Huang, Hongyu1; Li, Jun4; He, Zhaohong1; Yang, Xixian1; Huhetaoli1; Li, Shijie1; Kobayashi, Noriyuki
2017
发表期刊RSC ADVANCES
卷号7期号:30页码:18500-18507
摘要Increasing concern about sulfur dioxide (SO2) from diesel vehicle exhausts causing detrimental effects on NOx removal catalysts has resulted in the development of dry desulfurization filters for complete removal of SO2. In this study, a compact MnO2 filter was developed for diesel emission control. The SO2-capture behavior of the compact MnO2 filter was investigated by using a volumetric device in a low temperature range (200-400 degrees C) and low SO2 pressure conditions. The maximal capacity of the MnO2 filter was 304.1 mg(SO2) per g(MnO2) at 400 degrees C. Based on the experimental results, the required volume of the MnO2 filter was estimated as only 0.6 L for a diesel car with 30 000 km distance traveled per year. The thickness of the MnO2 filter had significant influence on its SO2-capture performance. The sulfate reaction mechanism was also discussed by using a grain model under four reaction temperature conditions for improving the efficiency of the design of the desulfurization filter. The sulfate process can be divided into two control stages (the chemical reaction control stage and the solid diffusion control stage) and the prediction models fit the experimental data well for both control stages, indicating that the two-stage grain model is suitable for the sulfate reaction between the MnO2 filter and SO2. The calculated apparent activation energy of 18.8 kJ mol(-1) indicates that the MnO2 filter exhibits high activity for SO2 adsorption in a pure SO2 atmosphere.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China (NSFC) through International (Regional) Cooperation and Exchange Projects(21550110494) ; Chinese Academy of Sciences President's International Fellowship Initiative(2016VTC068) ; National Natural Science Foundation of China (NSFC) through International (Regional) Cooperation and Exchange Projects(21550110494) ; Chinese Academy of Sciences President's International Fellowship Initiative(2016VTC068)
DOI10.1039/c7ra00096k
研究领域[WOS]Chemistry
关键词[WOS]LOW-TEMPERATURE ; SULFUR-DIOXIDE ; DESULFURIZATION ACTIVITY ; ACTIVATED CARBON ; DESO(X) FILTER ; CATALYSTS ; EXHAUST ; OXIDATION ; PERFORMANCE ; TRAPS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NSFC) through International (Regional) Cooperation and Exchange Projects(21550110494) ; Chinese Academy of Sciences President's International Fellowship Initiative(2016VTC068) ; National Natural Science Foundation of China (NSFC) through International (Regional) Cooperation and Exchange Projects(21550110494) ; Chinese Academy of Sciences President's International Fellowship Initiative(2016VTC068)
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000399005500039
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14112
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Kanazawa Univ, Kanazawa, Ishikawa 9201192, Japan
4.Nagoya Univ, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
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Liu, Xuecheng,Osaka, Yugo,Huang, Hongyu,et al. Development of a compact MnO2 filter for removal of SO2 from diesel vehicle emissions[J]. RSC ADVANCES,2017,7(30):18500-18507.
APA Liu, Xuecheng.,Osaka, Yugo.,Huang, Hongyu.,Li, Jun.,He, Zhaohong.,...&Kobayashi, Noriyuki.(2017).Development of a compact MnO2 filter for removal of SO2 from diesel vehicle emissions.RSC ADVANCES,7(30),18500-18507.
MLA Liu, Xuecheng,et al."Development of a compact MnO2 filter for removal of SO2 from diesel vehicle emissions".RSC ADVANCES 7.30(2017):18500-18507.
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