Selective vapor phase hydroformylation of ethylene over cluster-derived cobalt catalyst期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Selective vapor phase hydroformylation of ethylene over cluster-derived cobalt catalyst

Authors:	Kazuhiko Takeuchi Taka-aki Hanaoka Takehiko Matsuzaki Matti Reinikainen Yoshihiro Sugi

Affiliation:	(1) National Chemical Laboratory for Industry, Tsukuba, 305 Ibaraki, Japan;(2) Technical Research Centre of Finland, Chemical Laboratory, Biologinkuja 7, SF-2150 Espoo, Finland

Abstract:	Vapor phase hydroformylation of ethylene was studied with silica-supported metal catalysts. A cobalt metal catalyst derived from Co₂(CO)₈ gave propanal and its derivatives in as high selectivity of about 36% as Rh/SiO₂ catalyst under the reaction conditions of 1.1 MPa of a gas-mixture of ArCOC₂H₄H₂ = 1333 at 423–503 K. On the other hand, conventional cobalt catalysts derived from cobalt nitrate, chloride, or acetate, and other noble metal catalysts (Pd/SiO₂ and Ir/SiO₂) produced mainly ethane.

Keywords:	Vapor phase hydroformylation ethylene cobalt catalysts Co₂(CO)₈ propanal n-propanol
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