Density and viscosity of aqueous mixtures of N-Methyldiethanolamines (MDEA) and ionic liquids

Yusoff, R. and Aroua, Mohamed Kheireddine and Shamiri, A. and Ahmady, A. and Jusoh, N.S. and Asmuni, N.F. and Bong, L.C. and Thee, S.H. (2013) Density and viscosity of aqueous mixtures of N-Methyldiethanolamines (MDEA) and ionic liquids. Journal of Chemical and Engineering Data, 58 (2). pp. 240-247. ISSN 0021-9568

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The density and viscosity of aqueous mixtures of N-methyldiethanolamine (MDEA) and the ionic liquids (ILs) 1-n-butyl-3-methylimidazolium tetrafluoroborate (bmimBF4), 1-butyl-3-methylimidazolium dicyanamide (bmimDCA), and 1-ethyl-3-methylimidazolium trifluoromethanesulfonate (emimOTf) were determined. The measurements were carried out at 1 atm pressure and temperatures ranging from (303.15 to 363.15) K. The concentration of MDEA was fixed at (2.0 and 4.0) M, whereas the IL concentration was varied from (0.5 to 2.0) M. Both densities and viscosities were increased with increasing IL concentration. Correlation equations of density and viscosity for pure substances and for MDEA and ILs aqueous mixtures as a function of temperature and concentration of MDEA and ILs were also determined. The linear correlation for density had an excellent accuracy with less than 0.98 % deviation for all aqueous mixtures of MDEA and ILs. Meanwhile, the extended Arrhenius equation for viscosity achieved acceptable precision with less than 30 % of deviation from experimental data except for 2.0 M MDEA and 1.5 M bmimDCA mixtures.

Item Type: Article
Additional Information: Export Date: 21 April 2013 Source: Scopus CODEN: JCEAA :doi 10.1021/je300628e Language of Original Document: English Correspondence Address: Yusoff, R.; Department of Chemical Engineering, Faculty of Engineering, University Malaya, 50603 Kuala Lumpur, Malaysia; email: References: Ahmady, A., Aroua, M.K., Hashim, M.A., Absorption of Carbon Dioxide in the Aqueous Mixtures of Methyldiethanolamine with Three Types of Imidazolium-Based Ionic Liquids (2011) Fluid Phase Equilib., 309, pp. 76-82; Brennecke, J.F., Maginn, E.J., Ionic liquids: Innovative fluids for chemical processing (2001) AIChE J., 47, pp. 2384-2389; Gordon, C.M., New developments in catalysis using ionic liquids (2001) Appl. Catal. A: Gen., 222, pp. 101-117; Holbrey, J.D., Seddon, K.R., Ionic Liquids (1999) Clean Technol. Environ. Policy, 1, pp. 223-236; Welton, T., Room-Temperature Ionic Liquids. Solvents for Synthesis and Catalysis (1999) Chem. 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Uncontrolled Keywords: 1-ethyl-3-methylimidazolium trifluoromethanesulfonate; bmimBF; Aqueous mixtures; Arrhenius equation; Correlation equation; Dicyanamide; Experimental datum; Ionic liquid (ils); Linear correlation; N-methyldiethanolamine; Pressure and temperature; Pure substances; Tetrafluoroborates; Mixtures; Viscosity; Ionic liquids.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 16 Jul 2013 01:43
Last Modified: 31 May 2019 04:26

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