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CO hydrogenation to C-2-oxygenates over Rh-Mn-Li/SiO2 catalyst: Effects of support pretreatment with nC(1)-C-5 alcohols
Jiang, Dahao1,2; Ding, Yunjie1; Pan, Zhendong1,2; Chen, Weimiao1; Luo, Hongyuan1
KeywordNc(1)-c-5 Alcohols Support Pretreatment Rh-based Catalyst C-2-oxygenates Co Hydrogenation
Source PublicationCATALYSIS LETTERS
2008-03-01
DOI10.1007/s10562-007-9322-3
Volume121Issue:3-4Pages:241-246
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordCARBON-MONOXIDE ; SURFACE MODIFICATION ; SYNGAS CONVERSION ; RH/SIO2 CATALYSTS ; PROMOTED RHODIUM ; RH ; PERFORMANCE ; ADSORPTION ; AL2O3 ; STATE
AbstractThe effects of support pretreatment with nC(1)-C-5 alcohols on the performance of Rh-Mn-Li/SiO2 catalyst in the synthesis of C-2-oxygenates from syngas have been investigated by CO hydrogenation reaction, transmission electron microscopy (TEM), pulse adsorption of CO and H-2, and Fourier Transform infrared (FT-IR) spectroscopy. The catalysts prepared from the pretreated silica supports exhibited higher space time yields of C-2-oxygenates (STYC2-oxy) and selectivities towards C-2-oxygenates (SC2-oxy) than that prepared from the untreated silica support. The enhancement in the hydrophobicity of the pretreated silica supports would be favorable for increasing Rh dispersion and ratio of Rh+/Rh-0 sites, therefore increasing the number of active sites, especially the active sites for CO insertion. Such variations are responsible for the improvements in the catalytic performance of the Rh-Mn-Li/SiO2 catalyst.
Language英语
WOS IDWOS:000252940800009
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141035
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Dahao,Ding, Yunjie,Pan, Zhendong,et al. CO hydrogenation to C-2-oxygenates over Rh-Mn-Li/SiO2 catalyst: Effects of support pretreatment with nC(1)-C-5 alcohols[J]. CATALYSIS LETTERS,2008,121(3-4):241-246.
APA Jiang, Dahao,Ding, Yunjie,Pan, Zhendong,Chen, Weimiao,&Luo, Hongyuan.(2008).CO hydrogenation to C-2-oxygenates over Rh-Mn-Li/SiO2 catalyst: Effects of support pretreatment with nC(1)-C-5 alcohols.CATALYSIS LETTERS,121(3-4),241-246.
MLA Jiang, Dahao,et al."CO hydrogenation to C-2-oxygenates over Rh-Mn-Li/SiO2 catalyst: Effects of support pretreatment with nC(1)-C-5 alcohols".CATALYSIS LETTERS 121.3-4(2008):241-246.
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