Discrimination of active sites for ethylene homologation and ethylene metathesis on molybdena silica 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

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Discrimination of active sites for ethylene homologation and ethylene metathesis on molybdena silica catalyst

Authors:	Takashi Suzuki Katsumi Tanaka and Isamu Toyoshima

Institution:	(1) Department of Chemistry, Faculty of Textile Science and Technology, Shinshu University, Tokida, 386 Ueda, Nagano, Japan;(2) Research Institute for Catalysis, Hokkaido University, Kita-ku, 060 Sapporo, Japan

Abstract:	Active sites for ethylene homologation (3C₂H₄2C₃H₆) and ethylene metathesis (C₂H₄–¹²C₂+C₂H₄–¹³C₂2C₂H₄–¹³C₁) were discriminated by adding platinum to a reduced molybdena silica catalyst, and the former was presumed to be composed of several molybdenum species, while the latter was presumed to be composed of one molybdenum species. (3C₂H₄2C₃H₆) (C₂H₄–¹²C₂+C₂H₄–¹³C₂2C₂H₄–¹³C₁) . , , .

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