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题名: Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia
作者: He, DP;  Ding, YJ;  Luo, HY;  Li, C
关键词: higher alcohol synthesis ;  synthesis gas ;  zirconia ;  crystal phase
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 2004-02-02
DOI: 10.1016/S1381-1169(03)00542-9
卷: 208, 期:1-2, 页:267-271
收录类别: SCI
文章类型: Article
项目归属: 805503
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The catalytic performances of ZrO2-based catalysts were evaluated for the synthesis of higher alcohols from synthesis gas. The crystal phase structures were characterized by X-ray diffraction (XRD) and UV Raman. The results indicated that ZrO2 and Pd modified ZrO2 catalysts were effective catalysts in the synthesis of ethanol or isobutanol, and their selectivities basically depended on the crystal phase of ZrO2 surface. The ZrO2 with surface tetragonal crystal phase exhibited a high activity to form ethanol, while the ZrO2 with surface monoclinic crystal phase exhibited a high activity to form isobutanol. Temperature-programmed desorption (TPD) experiment indicated that the high activity of isobutanol formation from synthesis gas over monoclinic zirconia was due probably to the strong Lewis acidity of Zr4+ cations and the strong Lewis basicity of O2- anions of coordinative unsaturated Zr4+-O2- pairs on the surface of monoclinic ZrO2. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: SYNTHESIS GAS ;  CATALYSTS ;  ISOBUTANOL ;  CALCINATION ;  STABILITY ;  EVOLUTION ;  METHANOL ;  SUPPORT ;  TEXTURE ;  OXIDE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000187726200033
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/81413
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, Nat Gas Utilizat & Appl Catalysis Lab, Dalian 116023, Peoples R China

Recommended Citation:
He, DP,Ding, YJ,Luo, HY,et al. Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2004,208(1-2):267-271.
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