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Issue 29, 2017
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Review on the mass transfer performance of CO2 absorption by amine-based solvents in low- and high-pressure absorption packed columns

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Abstract

The gas-phase volumetric overall mass transfer coefficient (KGaV) plays a key role in the assessment of an absorption packed column's performance since it determines the height of an absorber column. The effective and useable data provided by KGaV is necessary for designing and scaling up absorption packed columns. This study provides the first comprehensive review of mass transfer performance in terms of KGaV for CO2 (KGCO2aV) absorption into amine solutions for absorber columns with random and structured packing. To date, researchers associated with the KGCO2aV parameter have focused on two main fields: experimental works and developing empirical correlations. For experimental works, KGCO2aV has been evaluated in the literature for a large number of conventional and improved amines over a range of operating parameters in laboratory-scale packed columns. In addition, researchers have developed empirical correlations for KGCO2aV based on operating parameters affecting KGCO2aV and physical properties. The details of research determining the KGCO2aV have been reviewed for low- and high-pressure absorption packed columns. Finally, directions for future research of the mass transfer performance for absorber packed columns in the CO2 capture process have been discussed.

Graphical abstract: Review on the mass transfer performance of CO2 absorption by amine-based solvents in low- and high-pressure absorption packed columns

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Publication details

The article was received on 01 Feb 2017, accepted on 15 Mar 2017 and first published on 23 Mar 2017


Article type: Review Article
DOI: 10.1039/C7RA01352C
Citation: RSC Adv., 2017,7, 17857-17872
  • Open access: Creative Commons BY license
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    Review on the mass transfer performance of CO2 absorption by amine-based solvents in low- and high-pressure absorption packed columns

    M. Afkhamipour and M. Mofarahi, RSC Adv., 2017, 7, 17857
    DOI: 10.1039/C7RA01352C

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