Process for removing acid gases with hindered amines and amino a

Details Process for removing acid gases with hindered amines and amino a Process for removing acid gases with hindered amines and amino a

1976-12-14

1978-06-13

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423228, 423229, 423232, 423234, B01D 5334

Patent

active

040949575

ABSTRACT:
Acidic components are removed from gaseous mixtures by contacting the gaseous mixture with an aqueous solution comprising (1) a basic salt and (2) an activator for said basic salt comprising at least one sterically hindered amine and an aminoacid which is a cosolvent for the sterically hindered amines. The aminoacid serves to prevent phase separation of the aqueous solution at high temperatures and low fractional conversions during the contacting.

REFERENCES:
patent: 2139122 (1938-12-01), Hass et al.
patent: 2139124 (1938-12-01), Hass et al.
patent: 3848057 (1974-11-01), Leder et al.

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