Catalytic performance of V2O5鈥揗oO3/纬-Al2O3 catalysts for partial oxidation of n-hexane1
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- 作者：R. Mahmoudian ; Z. Khodadadi ; Vahid Mahdavi…
- 关键词：纬 ; alumina ; vanadium oxide ; molybdenum oxide ; n ; hexane oxidation
- 刊名：Russian Journal of Physical Chemistry A, Focus on Chemistry
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：90
- 期：1
- 页码：65-71
- 全文大小：892 KB
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Z. Khodadadi (2)
Vahid Mahdavi (3)
Mohammed Salehi (4)
1. Shazand Petrochemical Co, Arak, Iran
2. Department of Applied Chemistry, Basic Science Faculty, South Tehran Branch, Islamic Azad University, Tehran, Iran
3. Department of Chemistry, Science Faculty, Arak University, Arak, Iran
4. S.T. Petrochemical Co, Mahshahr, Iran - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Physical Chemistry
Russian Library of Science - 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
- ISSN：1531-863X
文摘
In the current study, a series of V2O5鈥揗oO3 catalyst supported on 纬-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鈥揗oO3/纬-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鈥?%MoO3/纬-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. Keywords 纬-alumina vanadium oxide molybdenum oxide n-hexane oxidation