Table 1.
Source and purity of the chemicals used in this work.
Table 2.
List of DESs prepared in this work.
Fig 1.
Schematic diagram of the micro-reaction calorimeter [21].
Fig 2.
DSC Thermogram of neat ChCl-MEA (1:6) DES and with 5% and 10% water content.
Fig 3.
Effect of water content on the viscosity and density of the ChCl-MEA (1:6) DESs.
Table 3.
Viscosity of different amine based DESs at room temperature.
Fig 4.
Effect of (HBA:HBD) molar ratio on viscosity and density of ChCl-MEA- 5% water DESs.
Fig 5.
Effect of HBD type on the viscosity and density of ChCl-based DESs + 5% water.
Fig 6.
Effect of water content on CO2 absorption compared to 30 wt% aqueous MEA.
Fig 7.
Effect of (HBA:HBD) molar ratio on CO2 absorption capacity of the ChCl-MEA-5% water DESs.
Fig 8.
Effect of HBD type on CO2 absorption capacity of the ChCl-based DESs + 5% water.
Fig 9.
Effect of HBA type on CO2 absorption capacity of the MEA-based DESs + 5% water.
Fig 10.
Effect of temperature on CO2 solubility of amine-based DESs predicted by COSMO-RS.
Fig 11.
COSMO-RS prediction for pressure effect on CO2 solubility of amine-based DESs.
Fig 12.
Experimental vs COSMO-RS values for the CO2 solubility of the studied DESs.
Table 4.
Parameters of the VFTH equation for temperature dependence of viscosity (mPa.s), together with the correlation coefficients and relative deviation.
Fig 13.
Effect of water content (5%) on the thermal stability of ChCl-MEA DESs.