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

1977-09-22

1980-08-12

Padgett, Benjamin R.

Compositions

Co, s, negative element, or acid, bindant containing

Alkali-metal or alkali-metal compound containing

423220, 423223, 260584R, 252189, 252190, 423226, 423228, 423232, C09K 300

Patent

active

042172381

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.
patent: 3856921 (1974-12-01), Shrier et al.
patent: 4096085 (1978-06-01), Holoman et al.

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