Acidic gas absorbent and process for production thereof

Details Acidic gas absorbent and process for production thereof Acidic gas absorbent and process for production thereof

1990-04-16

1991-07-09

Konopka, Paul E.

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

Solid sorbent

55 68, 55 71, 252189, 423230, 423240, B01J 2004, C09K 300, C01B 3120, C01B 700

Patent

active

050306103

ABSTRACT:
A molded acidic gas absorbent produced by press molding powders, etc. of calcium hydroxide and one or more powders, etc. of alkali metal hydroxides and alkaline earth metal hydroxides except for calcium hydroxide, impregnating the molded article with water, followed by heat treatment while maintaining a predetermined amount of water therein is effective for absorbing an acidic gas such as CO.sub.2 in air and a narcotic gas.

REFERENCES:
patent: 2322206 (1943-06-01), Gardenier
patent: 3557011 (1971-01-01), Colombo et al.
patent: 4552767 (1985-11-01), Saleer et al.

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