Process for the preparation of diolefins from olefins

Details Process for the preparation of diolefins from olefins Process for the preparation of diolefins from olefins

C - Chemistry, Metallurgy

07

C

260/702.4

C07C 5/48 (2006.01) B01J 23/88 (2006.01)

Patent

CA 1037500

PROCESS FOR THE PREPARATION OF DIOLEFINS FROM OLEFINS ABSTRACT OF THE DISCLOSURE A catalyst is disclosed wherein the atomic ratios are disclosed by the empirical formula: Aa Cc Dd Fee Bif Mog Ox wherein A is chromium, tellurium, germanium, tungsten, manganese, thorium, niobium, praseodymium, cerium, lanthanum, zinc or mixture thereof; C is an alkali metal, alkaline earth metal, Tl, In, Ag, Cu, Sn, Sb, rare earth metal or mixture thereof; D is nickel, cobalt, magnesium, zinc, cadmium, manganese, calcium or mixture thereof; A is not the same as D; and wherein a is greater than zero to about 4; c is 0 to about 4; d is 0.1 to about 20; e and f are 0.01 to 12; g is 10 to 15; and x is the number of oxygens required by the valence states of the other elements present. This catalyst may be employed for the oxidative dehydrogenation of olefins of 1 to about 10 carbon atoms.

210722

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