| abstract |
FIELD: gas purification. SUBSTANCE: process is effected by way of physically washing gas with a tertiary nitrogen- containing heterocyclic compound selected from group including dialkyl-substituted or dialkylaminoalkyl-disubstituted 1,2- or 1,3- diazinanones, dialkylaminoalkyl-substituted oxazolidines, di- or trialkyl- substituted 1,2-diazolidinones, and alkyl-substituted 1,2- oxadiazinones. EFFECT: increased selectivity of cleaning. 3 cl, 1 dwg, 1 tbl |