1. Appl, M., Fuerst, E., Henrici, H.J., Kuessner, K., Volkamer, K., Wagner, U., 1982. Removal of CO2 and/or H2S and/or COS from gases containing these constituents. Google Patents.
2. Solubility of CO2 in aqueous piperazine and its modeling using the Kent-Eisenberg approach;Aroua;Chem. Eng. Technol.,2004
3. Absorption of carbon dioxide into aqueous piperazine: reaction kinetics, mass transfer and solubility;Bishnoi;Chem. Eng. Sci.,2000
4. CO2 absorption in aqueous piperazine solutions: experimental study and modeling;Bougie;J. Chem. Eng. Data,2011
5. Reaction of acid gases with mixtures of amines;Chakravarty;Chem. Eng. Prog.,1985