Selective oxidation of isobutane on V-Mo-O mixed oxide catalysts | Zendy

Gheorghiţa Mitran | Zendy; IoanCezar Marcu | Zendy; Tatiana Yuzhakova | Zendy; Ioan Săndulescu | Zendy

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Selective oxidation of isobutane on V-Mo-O mixed oxide catalysts

Author(s) -

Gheorghiţa Mitran,

IoanCezar Marcu,

Tatiana Yuzhakova,

Ioan Săndulescu

Publication year - 2008

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0801055m

Subject(s) - isobutane , catalysis , chemistry , vanadium , vanadium oxide , inorganic chemistry , butane , mixed oxide , molar ratio , selectivity , oxide , oxygen , metal , atmospheric pressure , atmospheric temperature range , organic chemistry , oceanography , physics , meteorology , geology

Four V-Mo-O mixed metal oxides were prepared, characterized and tested for the selective oxidation of isobutane in the temperature range 350-550 °C, at atmospheric pressure. Isobutane was mainly oxidized to iso-butene and carbon oxides. The systems with low vanadium contents showed low activities but high isobutene selectivities, while the systems with high vanadium contents showed high activities with high carbon oxides selectivities. The effects of temperature, contact time and the molar ratio iso-butane to oxygen on the conversion of isobutane and the selectivity of the oxidation were studied.

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