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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
KeywordHigher Alcohol Synthesis Higher Alcohol Synthesis Synthesis Gas Synthesis Gas Zirconia Zirconia Crystal Phase Crystal Phase
Source PublicationJOURNAL 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
Volume208Issue:1-2Pages:267-271
Indexed BySCI ; SCI
SubtypeArticle ; Article
Funding Project805503 ; 805503
Contribution Rank1;1 ; 1;1
WOS HeadingsScience & Technology ; Science & Technology ; Physical Sciences ; Physical Sciences
WOS SubjectChemistry, Physical ; Chemistry, Physical
WOS Research AreaChemistry ; Chemistry
WOS KeywordSYNTHESIS GAS ; SYNTHESIS GAS ; CATALYSTS ; CATALYSTS ; ISOBUTANOL ; ISOBUTANOL ; CALCINATION ; CALCINATION ; STABILITY ; STABILITY ; EVOLUTION ; EVOLUTION ; METHANOL ; METHANOL ; SUPPORT ; SUPPORT ; TEXTURE ; TEXTURE ; OXIDE ; OXIDE
AbstractThe 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.
Language英语 ; 英语
URL查看原文 ; 查看原文
WOS IDWOS:000187726200033 ; WOS:000187726200033
Citation statistics
Cited Times:64[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/81413
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Nat Gas Utilizat & Appl Catalysis Lab, Dalian 116023, Peoples R China
Recommended Citation
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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