Method for hydrocracking heavy fraction oils

Details Method for hydrocracking heavy fraction oils Method for hydrocracking heavy fraction oils

C - Chemistry, Metallurgy

10

G

196/147

C10G 47/00 (2006.01) C10G 47/34 (2006.01) C10G 65/12 (2006.01)

Patent

CA 1291057

ABSTRACT OF THE DISCLOSURE A method for hydrocracking a heavy fraction oil which comprises cracking a heavy fraction oil in the coexistence of a catalyst and a hydrogen donating solvent such as tetralin while adding a hydrogen-containing gas to the cracking reactor thereby inhibiting the formation of carbonaceous substances and precursors thereof and then hydrogenating the reaction products in the presence of a solid catalyst while adding a hydrogen-containing gas to the hydrogenating reactor thereby to convert the toluene-insoluble carbonaceous substances and precursors thereof to toluene-soluble ones, thus causing no clogging in an apparatus used.

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