| abstract |
PCT No. PCT/FR89/00243 Sec. 371 Date Jan. 18, 1990 Sec. 102(e) Date Jan. 18, 1990 PCT Filed May 23, 1989 PCT Pub. No. WO89/11327 PCT Pub. Date Nov. 30, 1989.Liquid absorbing acid gas compounds presenting an improved CO2 absorption capacity, said absorbing liquid containing one or a plurality of tertiary alkanolamines and a CO2 absorption activator. The activator is comprised of at least one amino compound selected amongst polyalkylenepolyamines, alkylenediamines or cycloalkylenediamines, the aminoalkylated compounds of heterocycles such as piperazine, piperidine, furan, thiophene, tetrehydrofuran et tetrahydrothiophene, the alkoxyalkylamines and the alkylmonoalkanolamines having an alkyl residue in at least C2. Application of said absorbant liquid to the deacidification of gases containing CO2 and optionally other acid gas compounds, particularly H2S and/or COS. |