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题名: Methanol synthesis from sulfur-containing syngas over Pd/CeO2 catalyst
作者: Ma, Yuchun1, 2;  Ge, Qingjie1;  Li, Wenzhao1;  Xu, Hengyong1
通讯作者: 徐恒泳
关键词: Pd/CeO2 ;  Sulfur-tolerance ;  Methanol synthesis
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
发表日期: 2009-07-25
DOI: 10.1016/j.apcatb.2009.02.020
卷: 90, 期:1-2, 页:99-104
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 801
产权排名: 1;1
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
英文摘要: Methanol synthesis from sulfur-containing syngas over Pd/CeO2 catalyst has been investigated in this study, the characterization methods like X-ray powder diffraction (XRD), X-ray fluorescence (XRF), X-ray photoelectron spectroscopy (XPS) and pulse experiments has also been carried out for elucidating sulfurtolerant mechanism of Pd/CeO2 catalyst. The results show that methanol synthesis from sulfur-containing syngas exhibit stable reaction activity over Pd/CeO2, It Was indicated from characterization analysis that the sulfur-tolerance of Pd/CeO2 was due to the capability of CeO2 for transforming H2S to SOx. Thus, Pd active sites for methanol synthesis were protected from sulfur poisoning, which was the main deactivation reason of Pd/Al2O3 catalysts. A sulfur-tolerant model of Pd/CeO2 catalyst for syngas to methanol was proposed according to the reaction performance and characterization results, which might be expanded to other sulfur-containing feed gas reaction systems over metal/ceria-type oxides. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: OXYGEN STORAGE CAPACITY ;  CERIUM OXIDE ;  TEMPERATURE ;  REDUCTION ;  PALLADIUM ;  OXIDATION ;  H2S ;  TRANSIENT ;  STATE ;  CEO2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000267380100012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102859
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Ma, Yuchun,Ge, Qingjie,Li, Wenzhao,et al. Methanol synthesis from sulfur-containing syngas over Pd/CeO2 catalyst[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2009,90(1-2):99-104.
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