Simultaneous hydroprocessing of two feedstocks

Details Simultaneous hydroprocessing of two feedstocks Simultaneous hydroprocessing of two feedstocks

C - Chemistry, Metallurgy

10

G

C10G 65/14 (2006.01) C10G 49/22 (2006.01) C10G 65/12 (2006.01)

Patent

CA 2351196

A catalytic hydrocracking process wherein a first hydrocarbonaceous feedstock is contacted with a hydrogen and a metal promoted hydrocracking catalyst in a hydrocracking reaction zone at elevated temperature and pressure to obtain conversion to lower boiling hydrocarbons. The resulting hot, uncooled effluent from the hydrocracking reaction zone is hot hydrogen stripped in a stripping zone maintained at essentially the same pressure as the hydrocracking zone to produce a first gaseous hydrocarbonaceous stream and a first liquid hydrocarbonaceous stream. At least a portion of the first liquid hydrocarbonaceous stream is preferably recycled to the hydrocracking reaction zone. A second hydrocarbonaceous feedstock having a boiling temperature range lower than that of the first hydrocarbonaceous feedstock is introduced into an upper end of the stripper to serve as reflux. The first gaseous hydrocarbonaceous stream is removed from the stripper and passed to a post- treat hydrogenation reaction zone to saturate aromatic compounds.

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