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Solubility, kinetics, absorption heat and mass transfer studies of CO2 absorption into aqueous solution of 1-Dimethylamino-2-propanol

Abstract

In this work, the performance of CO 2 absorption into aqueous 1-dimethylamino-2-propanol (1DMA2P) solution was investigated for possible CO 2 absorption application and compared with those of MEA and MDEA. The CO 2 absorption performance was presented in terms of equilibrium solubility, absorption rate, absorption heat, and overall mass transfer coefficient (K G a v ). The results show that 1DMA2P has a higher solubility and a lower absorption heat than those of MEA and MDEA, a faster absorption rate and a higher K G a v than that of MDEA, but a lower K G a v than that of MEA. Due to the high performance of the 1DMA2P, it can be considered to be a promising alternative solvent for CO 2 capture.

Publication details

  • Authors: Liu, H., Liang, Y., Liang, Z., Liu, S., Fu, K., Sema, T., Rongwong, W.
  • Published in: (2014) Energy Procedia, 63, pp. 659-664.
  • Year: 2014
  • DOI: 10.1016/j.egypro.2014.11.073