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Document Type and Number:
Japanese Patent JPS4820710
Kind Code:
B1
Abstract:
1283822 Regenerable sorbent for CO 2 MINE SAFETY APPLIANCES CO 29 July 1970 [20 Aug 1969] 36768/70 Heading B1L CO 2 is separated from gas mixtures by sorption at <100‹C on a material comprising an inert porous carrier impregnated with a compound containing only C, H and N atoms and an imino group and which boils >200‹C. The sorbed CO 2 is desorbed by causing a front of condensing steam to pass through the sorbent. Although alumina, pumice and clays may be used as the carrier, activated carbon is preferred. Suitable imino compounds are tetraethylene pentamine and polyethyleneimine.

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Application Number:
JP7247470A
Publication Date:
June 22, 1973
Filing Date:
August 20, 1970
Export Citation:
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International Classes:
B01D53/62; B01D53/02; B01J20/26; B01J20/34



 
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