Process for reversibly absorbing acid gases from gaseous mixture

Details Process for reversibly absorbing acid gases from gaseous mixture Process for reversibly absorbing acid gases from gaseous mixture

1992-11-10

1994-08-16

Lewis, Michael

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Direct contact with molten material

423220, 423230, 42324306, 42324401, 4232422, B01D 4700, C01B 1716, C01C 300, B01J 800

Patent

active

053385217

ABSTRACT:
A process is disclosed for reversibly absorbing acid gases from gaseous mixtures wherein a salt hydrate is heated to a temperature above its melting point and exposed to an acid gas which is absorbed by the salt hydrate to form a salt hydrate melt. This melt is thereafter cooled to a temperature sufficient to solidify the melt and to desorb the acid gas from the solidified salt hydrate. Preferred salt hydrates include tetramethylammonium fluoride tetrahydrate and tetraethylammonium acetate tetrahydrate.

REFERENCES:
patent: 4944934 (1990-07-01), Dunbobbin et al.
patent: 4973456 (1990-11-01), Quinn et al.

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