Bottoms conversion process

Details Bottoms conversion process Bottoms conversion process

C - Chemistry, Metallurgy

10

G

48/41, 196/5.9

C10G 1/04 (2006.01) C10B 55/10 (2006.01) C10G 1/00 (2006.01) C10J 3/54 (2006.01)

Patent

CA 1089388

ABSTRACT OF THE DISCLOSURE Heavy bottoms produced by the liquefaction of coal or similar carbonaceous solids are converted into more valuable products by adding an alkaline earth metal compound to the bottoms in a concentration sufficient to give, following pyrolysis of the bottoms, an alkaline earth metal-to-carbon atomic ratio of from about 0.005:1 to about 0.1:1; pyrolyzing the bottoms at a temperature of from about 900 to about 1600°F. to produce gases, hydrocarbon liquids and coke or char containing added alkaline earth metal constituents; and thereafter gasifying the car with steam.

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