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Density and refractive index measurements of transition-temperature mixture (deep eutectic analogues) based on potassium carbonate with dual hydrogen bond donors for CO2 capture

Ghaedi, H. and Ayoub, M. and Sufian, S. and Shariff, A.M. and Lal, B. and Wilfred, C.D. (2018) Density and refractive index measurements of transition-temperature mixture (deep eutectic analogues) based on potassium carbonate with dual hydrogen bond donors for CO2 capture. Journal of Chemical Thermodynamics, 118 . pp. 147-158.

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Abstract

The transition-temperature mixture (TTM) is a new type of solvent and is known as a tuneable solvent similar to deep eutectic solvent (DES). The new type of solvent called ternary transition-temperature mixture (TTTM) was prepared to use for CO2 capture purposes. In this work, TTMs and TTTMs were prepared with potassium carbonate (PC) as a hydrogen bond acceptor (HBA) and three hydrogen bond donors (HBDs) such as glycerol (GL), ethylene glycol (EG) and 2-amino-2-methyl-1-3-propanediol (AMPD) known as a hindered amine (HA). Binary TTMs were PC-GL with mole ratios 1:10 and 1:16 and PC-EG with the same mole ratios. TTTMs were prepared by adding AMPD in binary TTMs such as PC-GL-AMPD 1:16:1 and PC-EG-AMPD 1:10:1. The experimental density and refractive index of all mixtures were measured at temperatures from 293.15 K to 343.15 K with an interval of 5 K. The effect of temperature, mole ratio, molar massand alkyl chain length on the properties was investigated. The molar volumes and isobaric thermal expansion were calculated using experimental density data. The experimental refractive index values were used to derive the specific refraction, molar refraction, free molar volume, electronic polarization and polarizability at several temperatures. © 2017 Elsevier Ltd

Item Type:Article
Impact Factor:cited By 2
Uncontrolled Keywords:Bins; Carbon dioxide; Density (specific gravity); Ethylene; Ethylene glycol; Eutectics; Hydrogen bonds; Mixtures; Polarization; Potash; Refraction; Salts; Solvents; Temperature; Thermal expansion; Truck trailers; Volume measurement, Deep eutectic solvents; Effect of temperature; Electronic polarization; Hydrogen bond acceptors; Hydrogen bond donors; Isobaric thermal expansions; Refractive index measurement; TTTM, Refractive index
Departments / MOR / COE:Division > Academic > Faculty of Science & Information Technology > Fundamental and Applied Science
ID Code:20603
Deposited By: Ahmad Suhairi
Deposited On:23 Jul 2018 07:16
Last Modified:23 Jul 2018 07:16

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