Selectivities and Intermediates in the Oxidation of Butene on Vanadium Oxides on Titania
1989; Elsevier BV; Volume: 49; Issue: 2 Linguagem: Inglês
10.1016/s0166-9834(00)83023-7
ISSN1873-3867
AutoresTakehiko Ono, T. Mukai, Hisashi Miyata, Takashi Ohno, Fumikazu Hatayama,
Tópico(s)Catalysis and Hydrodesulfurization Studies
ResumoThe adsorption and oxidation of butene on vanadium oxides/titania prepared by gas-phase and impregnation methods was studied by IR spectroscopy and the microcatalytic method. These catalysts with low vanadium loadings show high selectivities towards furan formation, while those with high vanadium loadings show high selectivities towards acetaldehyde and acetic acid. The formation of a dihydrofuran-like intermediate before the oxidation of butene to furan is proposed. Formation of acetaldehyde and acetic acid is attributed to the presence of Brønsted acidity.
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