Production of pipeline gas from coal

Gas: heating and illuminating – Processes – Coal

Patent

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Details

48197R, 2604496M, 260449S, C10J 300

Patent

active

042081912

ABSTRACT:
Acid gases are removed from a coal gasification gas, followed by contacting the gas with a reduced iron catalyst at conditions selected to primarily produce methane, and some olefins together with carbon dioxide as byproduct. After separation of carbon dioxide byproduct, the gas is contacted with a nickel catalyst under methanation conditions to produce additional methane and convert olefins to alkanes to thereby produce a pipeline gas having an increased heating value.

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Woodward, "Catalyst Available for High-temperature Methanation", Hydrocarbon Processing, pp. 136-138, Jan. 1977.

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