Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1979-07-30
1981-03-31
Thomas, Earl C.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
423229, 423230, 55 68, 55 73, 55 74, 55 96, 252414, B01D 5334
Patent
active
042593018
ABSTRACT:
A method for removing an acidic component from a gaseous mixture by contacting the gaseous mixture in an absorber with an absorbing solution which removes substantial quantities of the acidic component. The gaseous mixture is then passed through an adsorption zone containing an adsorbent which removes additional quantities of the acidic component. The adsorbent is regenerated by passing regenerating solution through the adsorption zone. In a preferred embodiment, the composition of the regenerating and absorbing solutions are substantially the same and include an amine. This solution may be passed through the adsorption zone to regenerate the adsorbent and then into the absorber to remove acidic components from the gaseous mixture therein.
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Exxon Research and Engineering Co.
Mazer Edward H.
Thomas Earl C.
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