Catalyst activity in coal liquid upgrading

Details Catalyst activity in coal liquid upgrading Catalyst activity in coal liquid upgrading

C - Chemistry, Metallurgy

10

G

196/147

C10G 47/00 (2006.01) C10G 45/04 (2006.01)

Patent

CA 1179958

ABSTRACT OF THE DISCLOSURE An improved process for upgrading a coal liquid where the coal liquid is catalytically converted by hydrogenating and hydro- cracking. In theprocess of upgrading a coal liquid where the coal liquid is fed with hydrogen into a catalytic reactor, the improvement comprises the feeding of a sulfur-containing liquid with the coal liquid. The sulfur-containing liquid ranges from about 0.2 to about 2.0 weight percent of the coal liquid feed. The sulfur-containing liquid is a high boiling hydrocarbon sulfur compound of the formula RSR1, where R is an alkyl group having 2 to 20 carbon atoms or a phenyl group and R1 is H, an alkyl group having 2 to 20 carbon atoms or a phenyl group.

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