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dc.contributor.authorBernhardsen, Ida
dc.contributor.authorAnsaloni, Luca
dc.contributor.authorBetten, Hanne Kalvøy
dc.contributor.authorDeng, Liyuan
dc.contributor.authorKnuutila, Hanna K
dc.identifier.citationSeparation and Purification Technology. 2019, 222 188-201.nb_NO
dc.description.abstractThe effect of liquid viscosity on the performance of a non-porous membrane contactor is important to study for a proper solvent selection and process design. In this work, the overall mass transfer coefficient for MEA- and NaOH-based solutions was studied using a string of discs contactor in the temperature range 28–64 °C and a thin composite membrane contactor at 40 °C. Also, viscosity, density and N2O solubility of the aqueous solutions were measured in the temperature range 30–70 °C. The solvent viscosity of MEA and NaOH solutions was artificially adjusted from 0.5 to 54.7 mPa s by addition of sugar and/or glycerol. The overall mass transfer coefficient was found to decrease with increasing amount of viscosifier and the decrease seemed to be independent of the solvent system. In the membrane contactor, the decrease in the overall mass transfer coefficient was attributed to the decreasing CO2 solubility and CO2 diffusion coefficient, but as these properties alone were not able to describe the experimental values, the reason was attributed also to the establishment of an additional resistance at the membrane/liquid interface.nb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.titleEffect of liquid viscosity on the performance of a non-porous membrane contactor for CO2 capturenb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.journalSeparation and Purification Technologynb_NO
dc.description.localcode© 2019. This is the authors’ accepted and refereed manuscript to the article. Locked until 9.4.2021 due to copyright restrictions. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
cristin.unitnameInstitutt for kjemisk prosessteknologi

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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal