Gas: heating and illuminating – Processes – Fuel mixtures
Patent
1978-06-28
1980-07-08
Bashore, S. Leon
Gas: heating and illuminating
Processes
Fuel mixtures
48202, 48214A, C10J 354
Patent
active
042115388
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. F. and about 1500.degree. F. and a pressure in excess of about 100 psia to produce an effluent or raw product gas consisting essentially of equilibrium quantities, at reaction temperature and pressure, of methane, steam, carbon dioxide, carbon monoxide and hydrogen; recovering at least a portion of the effluent or raw product gas from the gasifier as an intermediate Btu product gas; contacting a carbon-containing material with steam in a steam reforming zone under conditions such that at least a portion of the carbon-containing material reacts with the steam to produce carbon monoxide and hydrogen; and passing the effluent from the reforming zone into the gasifier, thereby supplying the added hydrogen and carbon monoxide required in the gasifier.
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patent: 3004839 (1961-10-01), Tornquist
patent: 3115394 (1963-12-01), Gorin et al.
patent: 3119667 (1964-01-01), McMahon
patent: 3758037 (1973-09-01), Marion et al.
patent: 3847567 (1974-11-01), Kalina et al.
patent: 3929431 (1975-12-01), Koh et al.
patent: 4094650 (1978-06-01), Koh et al.
patent: 4118204 (1978-10-01), Eakman et al.
Eakman James M.
Euker, Jr. Charles A.
Nahas Nicholas C.
Bashore S. Leon
Exxon Research & Engineering Co.
Finkle Yale S.
Kratz Peter F.
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