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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    Special 2    September 2009

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Effect of preparation conditions on selective oxidation of propane to acrylic acid
YU Zhen-xing(于振兴), ZHENG Wei(郑 伟), XU Wen-long(徐文龙),
ZHANG Yu-hang(张宇航), FU Hong-ying(付红英), ZHANG Ping(张 平)

Daqing Nanyuan Group Co., Ltd, Daqing 163517, China

Abstract:The effects of chemical composition and preparation conditions, especially calcination atmosphere and water content on the catalytic performances of MoVTeNbO mixed oxide catalyst system for the selective oxidation of propane to acrylic acid were investigated. Among the catalysts studied, Mo1.0V0.3Te0.23Nb0.12Ox catalyst calcined in inert atmosphere at 600 ℃ shows the best performance in terms of propane conversion and selectivity to acrylic acid. The results reveal that proper chemical composition, calcination atmosphere and water content affect greatly the catalysts in many ways including structure, chemical composition, which are related to their catalytic performances; and 51.0% propane conversion and 30.5% one-pass yield to acrylic acid can be achieved at the same time.

 

Key words: selective oxidation; propane oxidation; catalysts preparation; acrylic acid; propane

ISSN 1672-7029
CN 43-1423/U

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