Process for producing a gas containing methane

Details Process for producing a gas containing methane Process for producing a gas containing methane

1984-03-22

1985-06-25

Mars, Howard T.

Chemistry: fischer-tropsch processes; or purification or recover

Plural zones each having a fischer-tropsch reaction

Diverse catalysts utilized in at least two zones

518706, 518708, 518711, 518712, 518713, 518714, 518715, 48197R, 422200, 422190, 422193, 422211, C07C 104

Patent

active

045254826

ABSTRACT:
This invention provides an improved, simple and energy saving process for producing a gas containing methane, which process utilizes a reactor having a catalyst bed of a structure wherein a synthesis gas is allowed to pass perpendicularly to the longitudinal directions of a plurality of cooling tubes installed vertically within the catalyst bed. Within the cooling tubes, a liquid coolant at its boiling temperature is flowed upwardly under pressure. A portion of the reaction product gas leaving the catalyst bed is mixed, without cooling, with fresh feed gas and is recirculated to the catalyst bed. The amount of the recycled gas is less than 5 times the amount of fresh feed gas. The foregoing process produces a product gas containing methane from a feed gas containing carbon monoxide and hydrogen.

REFERENCES:
patent: 2662911 (1953-12-01), Dorschner et al.
patent: 2852545 (1958-09-01), Jenny

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