Production of pipeline gas from coal

Details Production of pipeline gas from coal Production of pipeline gas from coal

1982-02-24

1983-10-18

Lindsay, Jr., Robert L.

Gas: heating and illuminating

Processes

Coal

48197R, 48206, 60 39182, 518703, C10J 300

Patent

active

044103360

ABSTRACT:
A process for producing pressurized pipeline gas wherein coal is gasified in oxygen at a relatively low pressure, typically less than 5 atmospheres, to produce a raw gas containing carbon monoxide, hydrogen, carbon dioxide, gaseous sulfur compounds and particulates. A major portion of the raw gas is cooled, cleaned and methanated to produce a pipeline quality product gas consisting essentially of methane. The remaining portion of the raw gas is cleaned, compressed and combusted to produce a high temperature, high pressure flue gas which is used to power a gas turbine and generate steam to power a steam turbine. The gas turbine and steam turbine each drive compressors for compressing the low pressure product gas to pipeline pressure.

REFERENCES:
patent: 2423527 (1947-07-01), Steinschlaeger
patent: 3031287 (1962-04-01), Benson et al.
patent: 4092825 (1978-06-01), Egan
patent: 4121912 (1978-10-01), Barber et al.
patent: 4202167 (1980-05-01), Suggitt et al.
Information Series 64 "Coal Gassification a State of the Art Review" Berkowitz 4/1973, p. 21, FIG. 4-1.
Clean Fuels from Coal Symposium II 11T Res. Inst Auditorium Inst. of Gas Technology 1975, pp. 14 and 102.

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