Multiple-stage hydrorefining/hydrocracking process

Details Multiple-stage hydrorefining/hydrocracking process Multiple-stage hydrorefining/hydrocracking process

C - Chemistry, Metallurgy

10

G

196/86

C10G 65/02 (2006.01) C10G 65/12 (2006.01)

Patent

CA 1138362

MULTIPLE-STAGE HYDROREFINING/HYDROCRACKING PROCESS ABSTRACT A multiple-stage process for the conversion of a heavy hydrocarbonaceous charge stock, contaminated by sulfurous and nitrogenous compounds, into lower-boiling hydrocarbon products. Fresh feed and hydrogen are intro- duced into a catalytic hydrorefining reaction zone to convert the contaminants into ammonia and hydrogen sulfide. Hydrorefined product effluent is admixed with the effluent from a catalytic hydrocracking reaction zone, and sepa- rated into various product streams. Hydrocarbons boil- ing above the predetermined end boiling point of the desired end product and hydrogen are introduced into the catalytic hydrocracking reaction zone for conversion to lower-boiling hydrocarbons.

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