Method for absorption of acid gases

Details Method for absorption of acid gases Method for absorption of acid gases

2011-04-19

2011-04-19

Smith, Duane (Department: 1776)

Gas separation: processes

Liquid contacting

Inorganic gas, liquid particle, or solid particle sorbed

C095S210000, C095S213000, C095S236000, C423S228000

Reexamination Certificate

active

07927403

ABSTRACT:
The invention relates to a method for the absorption of acid gases, such as CO2 and H2S, from gas mixtures. According to the invention, acid gases are absorbed from a gas mixture by contacting this gas mixture with a liquid in which is dissolved so high a concentration of an amino acid or a salt thereof that a precipitate is formed. The contact takes place in a column of the packing-free type or a column suitable for processing slurries.

REFERENCES:
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patent: 1945163 (1934-01-01), Rosenstein et al.
patent: 1990217 (1935-02-01), Baehr et al.
patent: 2176441 (1939-10-01), Ulrich et al.
patent: 3042483 (1962-07-01), Wolfram et al.
patent: 3660016 (1972-05-01), John et al.
patent: 5749941 (1998-05-01), Jansen et al.

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