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卷 87, 期 1-2, 页码 43-49出版社
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1022801126269
关键词
propane oxidative dehydrogenation; Cr-Mo/gamma-Al2O3 catalysts
Oxidative dehydrogenation of propane has been studied on Mo/gamma-Al2O3 catalysts with 13wt% of MoO3 and promoted with Cr. The catalysts were characterized by BET, X-ray diffraction, XPS, TPR, TPO and isopropanol decomposition. The ODH results indicated an important increase in propane conversion with Cr loading increase from 0 to 5 wt%. At 773 K the conversion increased 1.5 times whereas the selectivity to propene was not significantly modified. The higher activities obtained on Cr-doped catalysts provide for the technologically important possibility of carrying out the reaction at lower temperatures.
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