Integrated gasification apparatus

Details Integrated gasification apparatus Integrated gasification apparatus

1982-04-20

1984-05-15

Kratz, Peter F.

Gas: heating and illuminating

Generators

Retort

48111, C10J 320

Patent

active

044485883

ABSTRACT:
An integrated apparatus for the gasification of coal alone or with other carbon-containing materials such as solid municipal wastes, biomass and sewage sludges, wherein the endothermic heat required by the gasification reaction is supplied at least in a significant part by the exothermic reaction of CaO in the form of calcined lime or dolomite with carbon dioxide. The CO.sub.2 is recycled to provide a high CO.sub.2 vapor pressure for the exothermic reaction. The calcium carbonate formed in the reaction is decomposed in a combustor to produce the CaO which is recycled to the gasification stage.

REFERENCES:
patent: 749945 (1904-01-01), Naef
patent: 1413799 (1922-04-01), Smith
patent: 1613299 (1922-01-01), Torbox
patent: 3020209 (1962-02-01), Culbertson et al.
patent: 4077847 (1978-03-01), Choi et al.
patent: 4152122 (1979-05-01), Feldmann
patent: 4347119 (1982-08-01), Thomas

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