C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/5.8
C10G 1/06 (2006.01) C10G 1/00 (2006.01)
Patent
CA 1174624
METHOD FOR CONTROLLING BOILING POINT DISTRIBUTION OF COAL LIQUEFACTION OIL PRODUCT Abstract of the Disclosure The relative ratio of heavy distillate to light dis- tillate produced in a coal liquefaction process is contin- uously controlled by automatically and continuously con- trolling the ratio of heavy distillate to light distillate in a liquid solvent used to form the feed slurry to the coal liquefaction zone, and varying the weight ratio of heavy distillate to light distillate in the liquid solvent inversely with respect to the desired weight ratio of heavy distillate to light distillate in the distillate fuel oil product. The concentration of light distillate and heavy distillate in the liquid solvent is controlled by recycling predetermined amounts of light distillate and heavy distillate for admixture with feed coal to the pro- cess in accordance with the foregoing relationships.
382245
Anderson Raymond P.
Schmalzer David K.
Wright Charles H.
Mccarthy Tetrault Llp
Mitsui Src Development Co. Ltd.
Pittsburg & Midway Coal Mining Co. (the)
Ruhrkohle Ag
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