Gas: heating and illuminating – Processes – Fuel mixtures
Patent
1977-02-25
1978-10-03
Lindsay, Jr., Robert L.
Gas: heating and illuminating
Processes
Fuel mixtures
48202, 48214A, C01J 354
Patent
active
041182049
ABSTRACT:
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.degree. and about 1500.degree. 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.
REFERENCES:
patent: 3004839 (1961-10-01), Tornquist
patent: 3115394 (1963-12-01), Gorin et al.
patent: 3847567 (1974-11-01), Kalina et al.
patent: 3929431 (1975-12-01), Koh et al.
Eakman James M.
Euker, Jr. Charles A.
Nahas Nicholas C.
Exxon Research & Engineering Co.
Finkle Yale S.
Kratz Peter F.
Lindsay, Jr. Robert L.
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