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题名: Effect of Pore Structure of SiO2 on Catalytic Performance of Pd-SiW12/SiO2 for Direct Oxidation of Ethylene to Acetic Acid
作者: Xu Shuliang1, 2;  Wang Lixia1, 2;  Chu Wenling1;  Yang Weishen1
关键词: palladium ;  silicotungstic acid ;  silica ;  ethylene ;  oxidation ;  acetic acid
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2009-10-01
卷: 30, 期:10, 页:976-980
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The Pd-SiW12/SiO2 catalysts with different pore structure of SiO2 were prepared for direct oxidation of ethylene to acetic acid. The catalysts were characterized by X-ray diffraction, N, physical adsorption, infrared spectroscopy of adsorbed pyridine, and H-2-pulse chemical adsorption. The results showed that the pore structure of SiO2 had an important influence on the catalytic performance of the catalysts. The Pd-SiW12/SiO2 catalyst prepared by the SiO2 support with larger pore size and pore distribution exhibited the highest catalytic activity, on which 145.2 g/(L.h) of acetic acid yield was obtained. Pd dispersion was responsible for the catalytic activity of the Pd-SiW12/SiO2 catalyst.
关键词[WOS]: SELECTIVE OXIDATION ;  VAPOR-PHASE ;  PD/WO3-ZRO2 ;  ZIRCONIA ;  SUPPORT ;  ETHENE
语种: 英语
WOS记录号: WOS:000271814400002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141499
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Xu Shuliang,Wang Lixia,Chu Wenling,et al. Effect of Pore Structure of SiO2 on Catalytic Performance of Pd-SiW12/SiO2 for Direct Oxidation of Ethylene to Acetic Acid[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(10):976-980.
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