Preparation of high capacity unsupported regenerable CO.sub.2 so

Details Preparation of high capacity unsupported regenerable CO.sub.2 so Preparation of high capacity unsupported regenerable CO.sub.2 so

1990-03-07

1992-01-07

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Silicon containing

B01J 2004, B01J 2010

Patent

active

050792091

ABSTRACT:
A technique for preparing an unsupported, high capacity CO.sub.2 sorbent. The sorbent is comprised of silver carbonate, alkali metal silicate and alkaline earth metal salt binders for structural integrity, and alkali metal carbonate for CO.sub.2 sorption promotion. The sorbent disclosed in this invention has a high silver oxide density, consumes minimum volume, exhibits high CO.sub.2 absorption rates, and resists dusting and degradation for at least 50 absorption/desorption cycles.

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"Metal Oxide Regenerable Carbon Dioxide Removel System for an Advanced Portable Life Support System", M. S. Nacheff, G. V. Colombo, C. H. Change and R. Cusick, SAE Technical Paper Series, 19th Intersociety Conf. on Environmental Systems, San Diego, Calif., Jul. 24-26, 1989.
"Study of CO.sub.2 Sorbents for Extravehicular Activity", G. V. Colombo, NASA, 7/1973.

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