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AuthorAltamash T.
AuthorNasser M.S.
AuthorElhamarnah Y.
AuthorMagzoub M.
AuthorUllah R.
AuthorQiblawey H.
AuthorAparicio S.
AuthorAtilhan M.
Available date2019-10-17T07:44:38Z
Publication Date2018
Publication NameJournal of Molecular Liquids
AbstractNatural deep eutectic solvent (NADES) produced herein this work by mixing betaine and alanine with lactic acid and malic acid with 1:1 M mixing ratios. Thermophysical properties including water content, thermal stability, density and gas solubility of CO2 and N2 were experimented at different isotherms for wide pressures range up to 50 bars. Moreover, detailed rheological experiments were conducted on the studied materials to obtain viscosity and deduce the dynamic flow behavior. A pressure driven physisorption mechanism was observed for the studied systems. Betaine based NADES materials showed superior carbon dioxide and nitrogen solubility when they are mixed with lactic acid. On the other hand, the rheological experimental results show shear-thinning effect in which the ? is decreasing with shear rate at all temperatures. Low viscosity profiles NADES assure the less mass transfer resistance for lactic acid based NADES systems and it also confirmed that the high CO2 and N2 solubility for lactic acid based NADES samples. - 2018
SponsorThis work was made possible by NPRP grant # 6-330-2-140 from the Qatar National Research Fund (a member of Qatar Foundation) and by Ministerio de Econom?a y Competitividad (Spain, project CTQ2013-40476-R). Appendix A
PublisherElsevier B.V.
SubjectDeep eutectic solvents
SubjectGas solubility
SubjectNatural products
TitleGas solubility and rheological behavior study of betaine and alanine based natural deep eutectic solvents (NADES)
Volume Number256

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