abstract |
The invention relates to the removal of acidic compounds in a gaseous effluent in an absorption process using an aqueous solution of N, N, N ', N'-Tetramethyl-1,6-hexanediamine formulated with a particular secondary diamine , making it possible to obtain a monophasic absorbent solution under the absorption conditions of acid gases such as CO2. The invention is advantageously applicable to the treatment of natural gas and gas of industrial origin. |