Method for hydrocracking heavy fraction oil

Details Method for hydrocracking heavy fraction oil Method for hydrocracking heavy fraction oil

C - Chemistry, Metallurgy

10

G

196/147

C10G 47/00 (2006.01) C10G 45/00 (2006.01) C10G 65/12 (2006.01)

Patent

CA 1304034

ABSTRACT OF THE DISCLOSURE A method for hydrocracking a heavy fraction oil characterized by cracking a heavy fraction oil in the presence of a hydrogen donating solvent and hydrogen gas and circulating a fraction having a specific boiling range as the circulating solvent through the cracking reactor whereby the formation of carbonaceous substances is greatly inhibited, the supply of a makeup hydrogen donating solvent is dispensed with and the concentration of tetralin in the circulating solvent is maintained at a fixed or higher level.

556926

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