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Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia; Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia
He, DP; Ding, YJ; Luo, HY; Li, C
关键词Higher Alcohol Synthesis Higher Alcohol Synthesis Synthesis Gas Synthesis Gas Zirconia Zirconia Crystal Phase Crystal Phase
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL ; JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2004-02-02 ; 2004-02-02
DOI10.1016/S1381-1169(03)00542-9 ; 10.1016/S1381-1169(03)00542-9
208期:1-2页:267-271
收录类别SCI ; SCI
文章类型Article ; Article
项目归属805503 ; 805503
产权排名1;1 ; 1;1
WOS标题词Science & Technology ; Science & Technology ; Physical Sciences ; Physical Sciences
类目[WOS]Chemistry, Physical ; Chemistry, Physical
研究领域[WOS]Chemistry ; Chemistry
关键词[WOS]SYNTHESIS GAS ; SYNTHESIS GAS ; CATALYSTS ; CATALYSTS ; ISOBUTANOL ; ISOBUTANOL ; CALCINATION ; CALCINATION ; STABILITY ; STABILITY ; EVOLUTION ; EVOLUTION ; METHANOL ; METHANOL ; SUPPORT ; SUPPORT ; TEXTURE ; TEXTURE ; OXIDE ; OXIDE
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.; 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.
语种英语 ; 英语
原文出处查看原文 ; 查看原文
WOS记录号WOS:000187726200033 ; WOS:000187726200033
引用统计
被引频次:60[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/321008/81413
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Nat Gas Utilizat & Appl Catalysis Lab, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
He, DP,Ding, YJ,Luo, HY,et al. Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia, Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2004, 2004,208, 208(1-2):267-271, 267-271.
APA He, DP,Ding, YJ,Luo, HY,&Li, C.(2004).Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,208(1-2),267-271.
MLA He, DP,et al."Effects of zirconia phase on the synthesis of higher alcohols over zirconia and modified zirconia".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 208.1-2(2004):267-271.
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