Synthesis gas from gaseous CO.sub.2 -solid carbonaceous fuel fee

Details Synthesis gas from gaseous CO.sub.2 -solid carbonaceous fuel fee Synthesis gas from gaseous CO.sub.2 -solid carbonaceous fuel fee

1974-12-18

1976-08-24

Lindsay, Jr., Robert L.

Gas: heating and illuminating

Processes

Fuel mixtures

48203, 48210, 252373, 423415R, C10J 100

Patent

active

039764427

ABSTRACT:
This is an improved continuous partial oxidation process for producing synthesis gas or fuel gas from gaseous CO.sub.2 -solid carbonaceous fuel feeds. A solid carbonaceous fuel such as finely ground coal from a pressurized lock hopper is passed directly into a high pressure high velocity CO.sub.2 -rich gas stream which carries the particles of coal into a free-flow noncatalytic gas generator where by the partial oxidation reaction with a free-oxygen containing gas, preferably in the absence of supplemental H.sub.2 O other than that normally present in the reactants, gaseous mixtures principally comprising H.sub.2, CO, CO.sub.2, and H.sub.2 O are produced. A CO.sub.2 -rich gas stream is recovered downstream in the process and recycled to the pressurized feed system. The CO.sub.2 -rich stream serves as a carrier for the carbonaceous fuel and as a reactant in the reaction zone.

REFERENCES:
patent: 3723344 (1973-03-01), Reynolds
patent: 3868817 (1975-03-01), Marion et al.

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