Absorption medium and method for removing sour gases from fluid streams, in particular from flue gases
First Claim
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1. An absorption medium for acid gases which comprises(A) an oligoamine of the general formula (I)
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Abstract
Absorption medium for acid gases comprising an oligoamine (A) of the general formula (I)
and a piperazine derivative (B) of the general formula (II)
in which the weight ratio of oligoamine (A) to the piperazine derivative (B) is 0.2 to 25, and also process for removing acid gases from a gas stream by contacting the gas stream at a pressure of 0.05 to 10 MPa abs with an aqueous solution of said absorption medium which is brought to and maintained at a temperature of 20 to 80° C.
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Citations
15 Claims
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1. An absorption medium for acid gases which comprises
(A) an oligoamine of the general formula (I)
Specification