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Synergy of ruthenium and cobalt in SiO2-supported catalysts on ethylene hydroformylation
Huang, L; Xu, YD
关键词Silica Ruthenium Cobalt Synergy Hydroformylation
刊名APPLIED CATALYSIS A-GENERAL
2001-01-08
205期:1-2页:183-193
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
类目[WOS]Chemistry, Physical ; Environmental Sciences
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]CLUSTER-DERIVED CATALYSTS ; BIMETALLIC RH-CO ; HOMOGENEOUS MULTIMETALLIC CATALYSTS ; VAPOR-PHASE HYDROFORMYLATION ; FISCHER-TROPSCH SYNTHESIS ; OLEFIN HYDROFORMYLATION ; DICOBALT OCTACARBONYL ; INORGANIC CARRIERS ; CO/SIO2 CATALYSTS ; SUPPORTED RU
英文摘要Dynamic hydroformylation of ethylene at atmospheric pressure and 150 degreesC has been studied in a fixed bed reactor over ruthenium- and cobalt-containing SiO2-supported catalysts (1% Ru loading). Any combination of ruthenium and cobalt precursors leads to significant improvement of hydroformylation activity with respect to those of monometallic catalysts. The optimal atomic ratio of Co:Ru is estimated to be 3:1 for ideal catalytic activity. A catalyst derived from Ru-3(CO)(12) and Co-2(CO)(8) is most active. A catalyst derived from metal carbonyls is generally more active than a catalyst prepared from metal salts. Metal chlorides retard the preparation of active catalysts in most cases, The catalysts studied exhibit fairly good catalytic stability. The determined rate enhancement of ethylene hydroformylation suggests a synergy of ruthenium and cobalt, which is understood as catalysis by bimetallic particles or ruthenium and cobalt monometallic particles in intimate contact, The synergy causes high ethylene hydrogenation activity while giving enhanced ethylene hydroformylation activity. Meanwhile, the potential of the ruthenium-based catalysts is evaluated from both catalytic performances and cost by comparison with the corresponding rhodium-based ones, (C) 2001 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000166181600019
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被引频次:10[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/321008/138919
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Huang, L,Xu, YD. Synergy of ruthenium and cobalt in SiO2-supported catalysts on ethylene hydroformylation[J]. APPLIED CATALYSIS A-GENERAL,2001,205(1-2):183-193.
APA Huang, L,&Xu, YD.(2001).Synergy of ruthenium and cobalt in SiO2-supported catalysts on ethylene hydroformylation.APPLIED CATALYSIS A-GENERAL,205(1-2),183-193.
MLA Huang, L,et al."Synergy of ruthenium and cobalt in SiO2-supported catalysts on ethylene hydroformylation".APPLIED CATALYSIS A-GENERAL 205.1-2(2001):183-193.
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