Vanadium/phosphorus mixed oxide catalyst precursor
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United States of America Patent
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May 11, 2004
Grant Date -
N/A
app pub date -
Apr 4, 2002
filing date -
Jun 1, 1999
priority date (Note) -
Expired
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Abstract
A process for the preparation of a vanadium/phosphorus mixed oxide catalyst precursor is described, comprising the reaction of a vanadium source in selected organic media in the presence of a phophorus source. The medium comprises: (a) isobutyl alcohol or a mixture of isobutyl alcohol and benzyl alcohol and (b) a polyol in the weight ratio (a) to (b) of 99:1 to 5:95. After its activation, the vanadium/phosphorus mixed oxide catalyst precursor is an excellent catalyst in the conversion of non-aromatic hydrocarbons like n-butane to malic anhydride.
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