Hydrocarbon treating processes using perovskite-containing catalytic compositions

Claim 1

A fluid coking process which comprises contacting a hydrocarbonaceous feed having a Conradson carbon ranging from about 5 to about 50 weight percent at fluid coking conditions with a catalyst comprising a composition comprising at least about 60 weight percent perovskite and less than about 99 weight percent of a perovskite ABO 3 , and a non-perovskite reaction residue, wherein A is a cation of at least one metal, wherein B is a cation different from said cation A of at least one metal, said perovskite comprising at least one transition metal cation selected from the group consisting of elements having atomic numbers ranging from 21 through 30, through 39 through 48, from 57 through 80, and from 89 through 90, said composition having been prepared by reacting a component A comprising said cation A and a component B comprising said cation B at a temperature ranging from about 600° to about 2000° C. and for a time sufficient to form said perovskite ABO 3 and interrupting said reaction after formation of at least about 60 weight percent perovskite and before the formation of more than about 99 weight percent of said perovskite ABO 3 , based on the weight of said component A plus component B whereby the remainder of said composition is a non-perovskite residue resulting from said reaction.