FIELD: gas treatment.
SUBSTANCE: invention relates to absorbent suitable for treatment of process, industrial, and natural gases, which can be used in chemical, petroleum processing, petrochemical and gas industries and is characterized by that aqueous ethanolamine solution-based gas-treatment absorbent contains, wt%: tricthanolamine 10.0-50.0, monoethanolamine 4.0-25.0, still residue from tricthanolamine rectification process 0.5-8.0, and water-the balance, said still residue containing mixture of polyoxyethylated triethanolamines, dialkanolamines, isopropanolamines, and butanolamines.
EFFECT: reduced process expenses, reduced power consumption and loss of adsorbent; enabled replacement of absorbent without stopping process.
2 cl, 2 ex
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