Regenerable CO.sub.2 /H.sub.2 O solid sorbent

Details Regenerable CO.sub.2 /H.sub.2 O solid sorbent Regenerable CO.sub.2 /H.sub.2 O solid sorbent

1991-09-30

1992-12-29

Langel, Wayne

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

55 35, B01D 5302, B01D 5314

Patent

active

051749742

ABSTRACT:
This invention relates to a CO.sub.2 /H.sub.2 O sorbent comprised of silver oxide, a CO.sub.2 sorption promoter, and a support. Preparation of this sorbent consists of impregnating the support with a silver compound, converting the silver compound to silver carbonate or silver oxide, and further impregnating the support with a CO.sub.2 sorption promoter. Prior to use as a sorbent, the silver carbonate is converted to silver oxide via the application of heat; liberating CO.sub.2 and H.sub.2 O.

REFERENCES:
patent: 2769016 (1956-10-01), Lichtenwalter et al.
patent: 3232028 (1966-02-01), McDonald et al.
patent: 3489693 (1970-01-01), Bovard
patent: 3511595 (1970-05-01), Fuchs
patent: 3557011 (1971-01-01), Colombo et al.
patent: 3619130 (1971-11-01), Ventriglio
patent: 3865924 (1975-02-01), Gidaspow et al.
patent: 4822383 (1989-04-01), Brose et al.
Colombo, G. V. "Study of CO.sub.2 Sorbents for Extravehicular Activity" NASA Paper CR114632 published Jul. 1973.

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