Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1982-01-22
1984-06-05
Thomas, Earl C.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
423220, 423229, 423243, 55 73, B01D 5334
Patent
active
044527632
ABSTRACT:
Process for regeneration of a solvent for preferentially absorbing acid gases. The solvent, which comprises between 5 and 55 percent by weight water, is steam stripped in a regenerator, and vapor leaving the regenerator with the acid gases is condensed. The resulting condensate is returned to the solvent downstream of the regeneration zone. The condensate may be partially or wholly recirculated to the upper part of the regenerator provided that the majority of it is withdrawn above the regeneration zone. Some of the condensate may be added back to the solvent at the bottom of the regenerator or in a reboiler associated with the regenerator.
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Darton Richard C.
van de Kraats Eduard J.
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