Process for the production of an intermediate btu gas

Details Process for the production of an intermediate btu gas Process for the production of an intermediate btu gas

C - Chemistry, Metallurgy

10

J

48/33

C10J 3/16 (2006.01) C10J 3/54 (2006.01)

Patent

CA 1086949

ABSTRACT OF THE DISCLOSURE An intermediate Btu gas is produced by reacting steam with a carbonaceous feed material in the presence of a carbon-alkali metal catalyst and substantially equilibrium quantities of added hydrogen and carbon monoxide at a temperature between about 1000°F. and about 1500°F. and a pressure in excess of about 100 psia to produce a raw product gas consisting essentially of equilibrium quantities, at reaction temperature and pressure, of methane, steam,carbon dioxide, carbon monoxide and hydrogen; withdrawing the raw product gas from the gasifier and treating it for the removal of acid gases to produce a treated gas; withdrawing a portion of the treated gas as an intermediate Btu product gas; mixing the remainder of the treated gas with steam; passing the resultant mixture into a steam reforming furnace where the methane in the gas reacts with the steam to produce additional amounts of carbon monoxide and hydrogen; and passing the effluent from the reforming furnace into the gasifier.

297665

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