Treatment of gas streams for removal of acid gases

Details Treatment of gas streams for removal of acid gases Treatment of gas streams for removal of acid gases

1986-02-13

1987-09-29

Hart, Charles

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

55 68, 423229, C01B 1716

Patent

active

046968032

ABSTRACT:
Improvements are provided in accordance with the present invention by a continuous process for the treating of a gas stream containing acid gas components wherein the gas stream is counter currently contacted in an absorption zone with an aqueous solution of a mixture of N-methyldiethanolamine with N,N-diethyl hydroxylamine to thereby provide for acid gas (e.g., CO.sub.2) absorption.

REFERENCES:
patent: 3622267 (1971-11-01), Bartholome
patent: 4096085 (1978-06-01), Holoman et al.
patent: 4336233 (1982-06-01), Appl et al.
patent: 4483834 (1984-11-01), Wood
patent: 4537753 (1985-08-01), Wagner et al.
patent: 4575455 (1986-03-01), Miller
"Reaction of Acid Gases with Mixtures of Amines", Chakravarty et al., Chemical & Engineering Science, vol. 39, #12, pp. 1753-1757, 1984, printed in Great Britain.

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