Hydrogen-producing hydrocarbon conversion with...

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C - Chemistry, Metallurgy

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C10G 35/04 (2006.01) B01J 8/12 (2006.01) C10G 35/10 (2006.01) C10G 35/12 (2006.01)

Patent

CA 1098469

CASE 1781 HYDROGEN-PRODUCING HYDROCARBON CONVERSION WITH GRAVITY-FLOWING CATALYST PARTICLES ABSTRACT A multiple-stage catalytic conversion system in which a hydro- carbonaceous charge stock is reacted in a plurality of catalytic reaction zones, through all of which the catalyst particles flow downwardly via gravity-flow. The charge stock, in the absence of added, or recycle hydrogen, is reacted in a first reaction zone (1) into which fresh, or regenerated catalyst particles are introduced and, (2) from which deactivated catalyst particles are withdrawn for regeneration. The reaction product from the first reaction zone is further reacted in a multiple-zone stacked reaction system (1) into the uppermost zone of which fresh, or regenerated catalyst particles are introduced and (2) from the lowermost zone of which deactivated catalyst particles are withdrawn for regeneration. The product effluent from the lowermost reaction zone in the stacked system is separated to recover the intended product.

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