Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – Diolefin product
Patent
1985-10-30
1986-07-08
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
Diolefin product
585623, 585629, C07C 1118
Patent
active
045994773
ABSTRACT:
Oxidative dehydrogenation catalysts suitable for converting C.sub.4 to C.sub.8 mono-olefins to conjugated dienes comprise vanadium, phosphorus, and alkali metal components, and preferably also a tin component, in combination with a microporous crystalline silica or a crystalline zeolite having a silica-to-alumina ratio of at least 6.0. In one embodiment, the catalyst has a surface area between 30 M.sup.2 /g to 450 M.sup.2 /g and the vanadium has an average valence in the range of from 3.50 to 4.95.
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Moorehead Eric L.
Robinson Paul R.
Davis Curtis R.
Franks Robert A.
Sandford Dean
Union Oil Company of California
Wirzbicki Gregory F.
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