2019
DOI: 10.1016/j.cej.2018.11.014
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CO2 capture using highly viscous amine blends in non-porous membrane contactors

Abstract: Link to publication on Research at Birmingham portal General rights Unless a licence is specified above, all rights (including copyright and moral rights) in this document are retained by the authors and/or the copyright holders. The express permission of the copyright holder must be obtained for any use of this material other than for purposes permitted by law. • Users may freely distribute the URL that is used to identify this publication. • Users may download and/or print one copy of the publication from th… Show more

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Cited by 40 publications
(17 citation statements)
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“…The overall mass transfer coefficients for other composite membranes formed with skin layers without fluorine functional groups, but with high free volume declined after 5 h because of high water vapor transfer that condensed in the pores. An AF2400 coating of 1.7 µm thickness on porous PP exhibited a similar CO2 mass transfer coefficient of 7.5 x 10 -4 cm/s at 25 °C [11].…”
Section: Polymeric Membranesmentioning
confidence: 91%
See 2 more Smart Citations
“…The overall mass transfer coefficients for other composite membranes formed with skin layers without fluorine functional groups, but with high free volume declined after 5 h because of high water vapor transfer that condensed in the pores. An AF2400 coating of 1.7 µm thickness on porous PP exhibited a similar CO2 mass transfer coefficient of 7.5 x 10 -4 cm/s at 25 °C [11].…”
Section: Polymeric Membranesmentioning
confidence: 91%
“…The same PTFE membranes were also used for CO2 absorption with blended amine solvents and exhibited a CO2 absorption flux of 1.15-1.8 mmol/m 2 s, despite operation under a small CO2 partial pressure [40]. resistance and can be an attractive option for membrane contactor applications as a non-porous coating [11,[134][135][136][137]. Dip-coating on porous hollow fibre supports can achieve a coating layer thickness of around 1 µm.…”
Section: Polymeric Membranesmentioning
confidence: 99%
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“…The characteristics of CO 2 absorption in the MEA solution was investigated in the previous research [39], and the performance improvement of a rotated wired concentric-tube channel was validated for enrichment of heavy water [40]. Theoretical and computational studies were performed for comparisons under various operating conditions to model the CO 2 absorption process associated with occurring reactions [41] by using amines and mixed amines [42], and to enhance CO 2 capture efficiency and reduce regeneration cost [43]. The objective of this study is to implement the spiral wires and stick them onto the membrane surface of the Membranes 2022, 12, 4 3 of 23 flow channel to enhance the local shear stress on the membrane surface and to create secondary flows or eddies in the feed stream, and thus achieve a higher CO 2 absorption rate.…”
Section: Introductionmentioning
confidence: 99%
“…Independently of the equipment used for the absorption process, a good description of the vapor liquid equilibrium, together with other properties, is essential. 3-(Diethylamino)-1,2-propanediol (DEA-12-PD) and 1-(2-hydroxyethyl)piperidine (12-HEPP) have been proposed as potential components in solvent blends for membrane contactors [12]. Very few experimental data are found for these two tertiary amines.…”
Section: Introductionmentioning
confidence: 99%