Methanation of gas streams containing carbon monoxide and hydrog

Details Methanation of gas streams containing carbon monoxide and hydrog Methanation of gas streams containing carbon monoxide and hydrog

1981-01-12

1983-08-23

Waltz, Thomas A.

Chemistry of hydrocarbon compounds

Saturated compound synthesis

From nonhydrocarbon feed

48197R, C10K 304

Patent

active

044005750

ABSTRACT:
Carbon monoxide-containing gas streams having a relatively high concentration of hydrogen are pretreated so as to remove the hydrogen in a recoverable form for use in the second step of a cyclic, essentially two-step process for the production of methane. The thus-treated streams are then passed over a catalyst to deposit a surface layer of active surface carbon thereon essentially without the formation of inactive coke. This active carbon is reacted with said hydrogen removed from the feed gas stream to form methane. The utilization of the CO in the feed gas stream is appreciably increased, enhancing the overall process for the production of relatively pure, low-cost methane from CO-containing waste gas streams.

REFERENCES:
patent: 2686819 (1954-08-01), Johnson
patent: 3031287 (1962-04-01), Benson et al.
patent: 4242103 (1980-12-01), Rabo et al.
patent: 4242104 (1980-12-01), Frost
patent: 4242105 (1980-12-01), Frost

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