Process for the recovery of CO.sub.2 from flue gases

Details Process for the recovery of CO.sub.2 from flue gases Process for the recovery of CO.sub.2 from flue gases

1983-03-03

1984-10-16

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423212, 423229, B01D 5334

Patent

active

044774192

ABSTRACT:
A method is disclosed for recovering carbon dioxide from gases containing the same as well as oxygen and/or sulfur compounds employing aqueous 5 to 80% alkanolamine solutions. Corrosion of the metals of construction and solvent degradation are minimized by the use of copper ion maintained in solution and continuous removal of ionic iron and solvent degradation products by treating the solvent or a portion of the solvent with a carbon bed, mechanical filter and/or a anion exchange resin.

REFERENCES:
patent: 1944122 (1934-01-01), Fife
patent: 2377966 (1945-06-01), Reed
patent: 2559580 (1951-07-01), Alexander
patent: 2797188 (1957-06-01), Taylor, Jr. et al.
patent: 3568405 (1971-03-01), Perry
patent: 4287161 (1981-09-01), Agrawal

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