Catalytic conversion of heavy hydrocarbon materials

Details Catalytic conversion of heavy hydrocarbon materials Catalytic conversion of heavy hydrocarbon materials

C - Chemistry, Metallurgy

10

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196/154, 48/33

C10G 11/00 (2006.01) C10G 1/00 (2006.01) C10G 1/08 (2006.01) C10G 11/14 (2006.01) C10G 11/18 (2006.01) C10J 3/00 (2006.01)

Patent

CA 1123774

Abstract A process is descried for converting heavy hydrocarbon materials, e.g. bitumen pitch, to hydrocarbon gases and liquids, carbon monoxide and hydrogen. The process com- prises spraying a preheated heavy hydrocarbon feedstock into contact with a preheated bifunctional particulate catalyst, said catalyst having (a) a pyrolysis or cracking reaction component and (b) a carbon-steam and carbon- oxygen reaction component, the spraying causing the heavy hydrocarbon material to coat the exterior surface of the catalyst particles. A pyrolysis or cracking reaction is continued whereby the heavy hydrocarbon coating is conver- ted to an adhering char and hydrocarbon vapours. The hydrocarbon vapours are separated from the char-coated catalyst particles and these particles are then contacted with steam and an oxidizing medium to convert the char to carbon monoxide, carbon dioxide and hydrogen gas. These gases are separated and the remaining catalyst is recycled.

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