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Removal of sulfur dioxide from diesel exhaust gases by using dry desulfurization MnO2 filter
Osaka, Yugo1; Kito, Tsuyoshi2; Kobayashi, Noriyuki2; Kurahara, Shinya3; Huang, Hongyu4; Yuan, Haoran4; He, Zhaohong4
2015-08-17
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
Volume150Pages:80-85
AbstractThe sulfur dioxide (SO2) contained in combustion exhaust gases from medium-scale facilities or ocean ships must be removed because of its role as an air pollutant. In this study, dry DeSO(x) filter of manganese oxide was used to capture SO2 with a simple sulfate reaction. The thermogravimetry (TG), experiments shows that the MnO2 sample having a specific surface area of 250 m(2)/g absorbed SO2 at about 0.45 g-(SO2)/g-(MnO2) and 0.18 g(SO2)/g(MnO2) at 450 degrees C and 250 degrees C, respectively. Desulfurization breakthrough experiment in a packed bed was employed to evaluate the possibility of deep desulfurization. As a result, the inlet SO2 is almost absorbed by the high specific surface area (HSSA) MnO2 bed, over 99.5% absorbed at space velocity of 0.5 x 10(4) h(-1). Higher space velocity condition is targeting a more compact filter. Under the condition of 5.0 x 10(4) h(-1), SO2 over 80% against inlet SO2 can be absorbed at early time. Conclusively, this material has a large enough SO2 absorption rate to capture significant amounts of SO2 gas. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordDry Desulfurization Diesel Engine Exhaust Sulfur Dioxide Manganese Oxide
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.seppur.2015.02.001
WOS Subject ExtendedEngineering
WOS KeywordLEAN NOX TRAP ; SO2 REMOVAL ; PERFORMANCE ; CATALYST ; TEMPERATURE ; ADSORPTION ; CARBON
Indexed BySCI
Language英语
WOS SubjectEngineering, Chemical
WOS IDWOS:000358809300010
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10842
Collection中国科学院广州能源研究所
Affiliation1.Kanazawa Univ, Sch Mech Engn, Coll Sci & Engn, Kanazawa, Ishikawa 9201192, Japan
2.Nagoya Univ, Dept Chem & Biol Engn, Nagoya, Aichi 4648603, Japan
3.Aichi Inst Technol, Dept Mech Engn, Toyota, Aichi 4700392, Japan
4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Osaka, Yugo,Kito, Tsuyoshi,Kobayashi, Noriyuki,et al. Removal of sulfur dioxide from diesel exhaust gases by using dry desulfurization MnO2 filter[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2015,150:80-85.
APA Osaka, Yugo.,Kito, Tsuyoshi.,Kobayashi, Noriyuki.,Kurahara, Shinya.,Huang, Hongyu.,...&He, Zhaohong.(2015).Removal of sulfur dioxide from diesel exhaust gases by using dry desulfurization MnO2 filter.SEPARATION AND PURIFICATION TECHNOLOGY,150,80-85.
MLA Osaka, Yugo,et al."Removal of sulfur dioxide from diesel exhaust gases by using dry desulfurization MnO2 filter".SEPARATION AND PURIFICATION TECHNOLOGY 150(2015):80-85.
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