Process for making liquid fuels from coal

Claim 1

A PROCESS FOR THE PRODUCTIN OF LIQUID FUEL FROM COAL WHICH COMPRISES (A) SUBJECTING THE COAL T SOLVENT EXTRACTIN TO CONVERT UP TO 80 WEIGHT PERCENT OF THE MAF COAL, (B) RECOVERING FROM THE EXTRACTION PRODUCTS OF STEP (A) A COAL EXTRACT SUBSTANTIALLY ALL OF WHICH IS NONDISTILLABLE BELOW 400*C., (C) TREATING SAID COAL EXTRACT FROM STEP (B) IN A PRIMARY CATALYTIC HYDROCRACKING ZONE WITH SUFFICIENT HYDROGEN TO CONVERT AT LEAST THE MAJOR PORTION THEREOF TO A DISTILLABLE HYDROCARBONACEOUS LIQUID, THE MAJOR PORTIN OF WHICH BOILS I NTHE RANGE OF 200 TO 400*C., (D) RECOVERING SAID DISTILLABLE HYDROCARBONACEOUS LIQUID FROM STEP (C) IN A SUBSTANTIALLY ASH-FREE STATE, (E) CATALYTICALLY HYDRORINING AT LEAST THE MAJOR PORTION OF SAID DISTILLABLE HYDROCARBONACEOUS LIQUID FROM STEP (D) TO YIELD EFFLUENT HYDROFINER PRODUCT SUBSTANTIALLY FREE OF NITROGEN, OXYGEN, AND SULFUR COMPOUNDS, BUT AT LEAST THE MAJOR PORTIN OF WHICH BOILS IN THE RANGE OF 200 TO 400*C., AND (F) THEREAFTER TREATING AT LEAST PORTIN OF THE HYDROFINER PRODUCTS BOILING BETWEEN 200 AND 400*C. IN A SECONDARY CATALYTIC HYDROCRACKING ZONE WITH SUFFICIENT HYDROGEN TO YIELD A LIQUID FUEL WHICH BOILS BELOW 200*C.