Process for controlling sulfur oxides in coal gasification

Details Process for controlling sulfur oxides in coal gasification Process for controlling sulfur oxides in coal gasification

1980-06-16

1981-11-24

Bashore, S. Leon

Gas: heating and illuminating

Processes

Fuel mixtures

48202, 55 73, 55 74, 55 79, 252373, 423244, 423574R, C10J 300

Patent

active

043022189

ABSTRACT:
In a fluidized coal gasification process in which heat for the gasifier is provided by recycle combustor residue from a slagging combustor, SO.sub.2 in the combustor's flue gas is removed by contacting the flue gas with the incoming coal feed whereby the SO.sub.2 is adsorbed on the coal and converted to H.sub.2 S in the gasifier. Sulfur is recovered from the H.sub.2 S in a Claus Plant.

REFERENCES:
patent: 3345125 (1967-10-01), Kruel et al.
patent: 3495941 (1970-02-01), Van Helden
patent: 3502427 (1970-03-01), Johswich
patent: 3563704 (1968-08-01), Torrence
patent: 3886411 (1975-07-01), Marion et al.
patent: 3917469 (1975-11-01), Cotter et al.
patent: 3966633 (1976-06-01), Friedman
patent: 3966634 (1976-06-01), Sacks
patent: 4082519 (1978-04-01), Steiner

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