Table 5 The partial molar enthalpy of CO2 solution in DESs employed in this study, other DESs, and various physical and chemical solvents across temperature and pressure ranges.
From: An environmentally friendly deep eutectic solvent for CO2 capture
DES (HBA + HBD) | Temperature range (K) | ΔHsol (kJ·mol−1) | Ref |
|---|---|---|---|
TBAC + decanoic acid (1:2) (\({x}_{{CO}_{2}}=0.1\)) | 298–323 | − 11.600 | |
TOAB + decanoic acid (1:2) (\({x}_{{CO}_{2}}=0.1\)) | 298–323 | − 10.500 | |
TOAC + decanoic acid (1:1.5) (\({x}_{{CO}_{2}}=0.1\)) | 298–323 | − 10.400 | |
TOAC + decanoic acid (1:2) (\({x}_{{CO}_{2}}=0.1\)) | 298–323 | − 10.500 | |
Selexol | 294–357 | − 13.400 | |
Ethanol | 298 | − 12.800 | |
Heptane | 298 | − 9.670 | |
Benzene | 298 | − 9.340 | |
MEA (30 wt %,\({x}_{{CO}_{2}}=0.1\)) | 313 | − 84.200 | |
TPAB + formic acid (1:1) | 298.15–318.15 | − 13.164 | This study |
TPAB + formic acid (1:2) | 298.15–318.15 | − 16.175 | This study |
