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AuthorChong, F.K.
AuthorFoo, D.C.Y.
AuthorEljack, F.T.
AuthorAtilhan, M.
AuthorChemmangattuvalappil, N.G.
Available date2023-09-10T17:35:34Z
Publication Date2015
Publication NameClean Technologies and Environmental Policy
ResourceScopus
URIhttp://dx.doi.org/10.1007/s10098-015-0938-5
URIhttp://hdl.handle.net/10576/47373
AbstractCarbon capture and storage is an emerging technology to mitigate carbon dioxide (CO2) emissions from industrial sources such as power plants. Post-combustion capture based on aqueous amine scrubbing is one of the most promising technologies for CO2 capture currently. This technology, however, possesses a number of shortcomings, including high regeneration energy requirement, high solvent loss, degradation of solvent, etc. To overcome these limitations, researchers suggested different solvents and alternative technologies to replace the current amine scrubbing technique. Ionic liquids (ILs) are the most potential substitute among all. This is mainly because they have negligible vapour pressure and high thermal stability, which reduce solvent loss. However, there are up to a million possible combinations of cation and anion that may make up the ILs, which makes experimental works very time consuming and costly. In this work, optimal IL solvents specifically for carbon capture purpose are designed using computer-aided molecular design approach. This approach utilises group contribution method to estimate the thermophysical properties of ILs, and UNIFAC model to predict CO2 solubility in the ILs. Structural constraints are included to ensure that the synthesised ILs structure will satisfy the bonding requirement. This work focuses on design of ILs based on a physical absorption mechanism, and hence no chemical reaction is involved. The results show that the designed ILs are capable of capturing CO2 and their predicted properties are in good agreement with properties as determined through experimental works. Springer-Verlag Berlin Heidelberg 2015.
SponsorThe financial support from Faculty of Engineering Dean's Ph.D. scholarship and NPRP Grant No 6-678-2-280 from the Qatar National Research Fund (a member of Qatar Foundation) are both gratefully acknowledged.
Languageen
PublisherSpringer Verlag
SubjectCarbon capture and storage
Group contribution method
Ionic liquids
UNIFAC model
TitleIonic liquid design for enhanced carbon dioxide capture by computer-aided molecular design approach
TypeArticle
Pagination1301-1312
Issue Number5
Volume Number17
dc.accessType Abstract Only


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