Gas: heating and illuminating – Processes – Coal and water
Patent
1974-12-23
1976-07-27
Wolk, Morris O.
Gas: heating and illuminating
Processes
Coal and water
48197R, 48206, 252373, C10B 104, C10J 354, C10J 356, C10K 108
Patent
active
039716368
ABSTRACT:
A process for gasifying coal to produce carbon monoxide and hydrogen in which a first stream of coal is burned without bed formation in a combustion zone in the presence of water under oxidation conditions to produce gases containing carbon dioxide and steam. A second stream of coal is maintained as a fluid bed in a separate gasifier zone by upflowing carbon dioxide and steam from the combustion zone while being gasified under reducing conditions to produce carbon monoxide and hydrogen. The water vapor in the gasifier product stream is condensed and the condensate is used to scrub char and pollutants from the same gasifier product stream to form a slurry which is utilized as fuel in the combustion zone.
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Gulf Oil Corporation
Marcus Michael S.
Wolk Morris O.
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