Effect of reduction-oxidation treatment on the properties of VSb3W-Al2O3 catalyst for propane ammoxidation
作者： Guojun Wang , Shunhai Zhang , Xiaochun Miao , Yun Guo , Guanzhong Lu
DOI: 10.1007/S12598-010-0177-1
关键词:
摘要: VSb3W-Al2O3 catalysts for propane ammoxidation were prepared by the conventional slurry method and new method, namely, reduction-oxidation method. The effect of preparation methods on physicochemical properties studied N2 adsorption, XRD, XPS Raman spectroscopy, their catalytic performance to acrylonitrile tested. Compared with catalyst exhibited better conversion selectivity. This is due that treatment was advantageous obtaining low valence state vanadium high antimony form more rutile SbVO4, which a vital active phase ammoxidation.
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