Process for single-step coal liquefaction

Details Process for single-step coal liquefaction Process for single-step coal liquefaction

C - Chemistry, Metallurgy

10

G

196/5.4

C10G 1/08 (2006.01) C10G 1/00 (2006.01) C10G 1/04 (2006.01)

Patent

CA 1300063

CASE 2732 "PROCESS FOR SINGLE-STEP COAL LIQUEFACTION" Abstract A process for the single-step coal liquefaction is disclosed, which comprises reacting the same coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from an alkaline hydroxide or carbonate, characterized in that the reaction is caused to take place at a temperature firstly maintained for a time of up to 20 minutes equal to a value selected within the range of from 300 to 370 C, then is increased over a time comprised within the range of from 20 to 40 minutes, until a temperature value is reached, which is comprised within the range of from 420 to 450°C, at which value it is kept constant for a time of up to 20 minutes.

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