Purification of gases containing CO and/or CO.sub.2

Details Purification of gases containing CO and/or CO.sub.2 Purification of gases containing CO and/or CO.sub.2

1983-11-18

1985-06-04

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423219, 423230, 423238, 423240, 423244, 423245, 502202, 502345, B01D 5336

Patent

active

045213879

ABSTRACT:
Gases containing CO and/or CO.sub.2 are purified by removing sulfur compounds and other impurities by catalytic reaction at elevated temperatures by a process in which the gases to be purified are passed directly through a catalyst charge containing a Cu/ZnO catalyst prepared by thermal decomposition of a mixed crystalline compound of zinc hydroxide carbonate, and the space velocity is set at 500-5,000 m.sup.3 (S.T.P.) per m.sup.3 of catalyst per hour. Preferably, the catalyst used is a Cu/ZnO catalyst which is prepared by thermal decomposition of a catalyst precursor of the general formula

REFERENCES:
patent: 1631823 (1927-06-01), Jannek
patent: 4048196 (1977-09-01), Broecker et al.
patent: 4088736 (1978-05-01), Courty et al.
patent: 4386017 (1983-05-01), Nakamura et al.
Chemical Abstracts, vol. 77, 1972, p. 155, Abstract No. 90878j.

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