Catalytic performance of V2O5–MoO3/γ-Al2O3 catalysts for partial oxidation of n-hexane1


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In the current study, a series of V2O5–MoO3 catalyst supported on γ-Al2O3 with various V2O5 and MoO3 loadings was prepared by wet impregnation technique. The characterization of prepared catalysts includes BET surface area, powder X-ray diffraction (XRD), and oxygen chemisorptions. The partial oxidation of n-hexane by air over V2O5–MoO3/γ-Al2O3 catalysts was carried out under flow condition in a fixed bed glass reactor. The effect of V2O5 loading, temperature, MoO3 loading, and n-hexane LHSV on the n-hexane conversion and the product selectivity were investigated. The partial oxygenated products of n-hexane oxidation were ethanol, acetic anhydride, acetic acid, and acetaldehyde. The 10% V2O5–1%MoO3/γ-Al2O3 was found in most active and selective catalyst during partial oxidation of n-hexane. The results indicated that by increasing the temperature, the n-hexane conversion increases as well, although the selectivity of the products passes through a maximum by increasing the temperature.

作者简介

R. Mahmoudian

Shazand Petrochemical Co

Email: za_khd@yahoo.com
伊朗伊斯兰共和国, Arak

Z. Khodadadi

Department of Applied Chemistry, Basic Science Faculty, South Tehran Branch

编辑信件的主要联系方式.
Email: za_khd@yahoo.com
伊朗伊斯兰共和国, Tehran

Vahid Mahdavi

Department of Chemistry, Science Faculty

Email: za_khd@yahoo.com
伊朗伊斯兰共和国, Arak

Mohammed Salehi

S.T. Petrochemical Co

Email: za_khd@yahoo.com
伊朗伊斯兰共和国, Mahshahr

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