Improved absorbent regeneration

Details Improved absorbent regeneration Improved absorbent regeneration

B - Operations, Transporting

01

D

B01D 53/14 (2006.01) B01D 53/18 (2006.01) C01B 31/20 (2006.01)

Patent

CA 2670395

A method for regeneration of a rich absorbent having absorbed CO2 (5) to give a regenerated, or lean absorbent (4) wherein the lean absorbent leaving the regenerator column is flashed (32) to produce a gaseous phase (33) that is compressed (34) and reintroduced into the regeneration column, and a liquid lean absorbent phase (4) that is heat exchanged (7) against the rich absorbent.

La présente invention concerne un procédé de régénération d'un absorbant riche contenant du CO2 absorbé, qui permet d'obtenir un absorbant régénéré ou pauvre. Selon ledit procédé, l'absorbant pauvre quittant la colonne de régénération est soumis à une vaporisation instantanée visant à produire une phase gazeuse, laquelle est comprimée et réintroduite dans la colonne de régénération, et une phase liquide d'absorbant pauvre, laquelle fait l'objet d'un échange thermique contre l'absorbant riche.

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