TWO-STAGE PYROLYSIS OF COAL FOR PRODUCING LIQUID HYDROCARBON FUELS

摘要

Abstract of the DisclosureIncreased yields of liquid hydrocarbon are obtained froma carbonaceous material (e.g., coal) by a two-stage processcomprising pretreatment of the carbonaceous material with anappropriate gas in a first stage, followed by pyrolysis of thepretreated carbonaceous material, in a second stage.