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Catalytic performance of Pt/MOx loaded over SiC-DPF for soot oxidation
Oi-Uchisawa, J; Obuchi, A; Wang, S; Nanba, T; Ohi, A
关键词Pt Sic-dpf Tio2 Diesel Soot Carbon Oxidation Sulfur So2 Fuel
刊名APPLIED CATALYSIS B-ENVIRONMENTAL
2003-06-30
43期:2页:117-129
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]DIESEL EXHAUST-GASES
英文摘要The effects of the sulfur level in diesel exhaust gas and the type of support material (MOx) of the Pt catalyst on the performance of the catalyst with regard to soot oxidation were investigated. The experiments were carried out both under simulated exhaust conditions using granular-formed samples and under practical conditions using a catalyst-loaded diesel particulate filter (DPF) placed in a diesel engine exhaust. Under the simulated conditions, the catalytic activity increased as the SO2 concentration of the reactant gas increased. A promotive effect due to the sulfate produced by the oxidation of SO2 on the Pt surface appeared for soot oxidation when SO2 = 15 ppm, but was markedly lower for SO2 = 1.5 ppm. In the engine tests, the catalytic activity also increased as the sulfur content of the fuel increased. Among the support materials investigated, TiO2 derived from either Ti(SO4)(2) or a TiO2 colloidal sol showed relatively higher activity. (C) 2002 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000183359500002
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被引频次:56[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139263
专题中国科学院大连化学物理研究所
作者单位1.Natl Inst AIST, Inst Environm Management Technol, Catalyt & Electrochem Purificat Grp, Tsukuba, Ibaraki 3058569, Japan
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Oi-Uchisawa, J,Obuchi, A,Wang, S,et al. Catalytic performance of Pt/MOx loaded over SiC-DPF for soot oxidation[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2003,43(2):117-129.
APA Oi-Uchisawa, J,Obuchi, A,Wang, S,Nanba, T,&Ohi, A.(2003).Catalytic performance of Pt/MOx loaded over SiC-DPF for soot oxidation.APPLIED CATALYSIS B-ENVIRONMENTAL,43(2),117-129.
MLA Oi-Uchisawa, J,et al."Catalytic performance of Pt/MOx loaded over SiC-DPF for soot oxidation".APPLIED CATALYSIS B-ENVIRONMENTAL 43.2(2003):117-129.
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