Separation of insoluble material from coal liquefaction product

Details Separation of insoluble material from coal liquefaction product Separation of insoluble material from coal liquefaction product

C - Chemistry, Metallurgy

10

G

196/12

C10G 1/00 (2006.01) C10G 1/04 (2006.01)

Patent

CA 1072899

3346 SEPARATION OF INSOLUBLE MATERIAL FROM COAL LIQUEFACTION PRODUCT Abstract of the Disclosure Insoluble materials are separated from a coal liquefaction product having a quinoline insoluble content of greater than 15 wt.% by diluting the product with a diluent which is a solvent for the components which are quinoline soluble and benzene insoluble, with the diluent being added in an amount to provide a mixture having a quinoline insoluble content of no greater than 13 wt.%. Insoluble material it then separate by gravity settling in the presence of a promoter liquid having a 5 volume percent distillation temperature of at least 250°F and a 95 volume percent distillation temperature of at least 350°F and no great than 750°F, with the promoter liquid having a characterization factor of at least 9.75.

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