Table 7.

Comparison of capacity and Selectivity values at infinite dilution for separation problems, hexane/toluene, ethanol/cyclohexane, and cyclohexane/hexane in [[EMPYR] Br + 1,5-PDO] DES as separating solvent at T = 333.15 K

Extracting solvents	Selectivity (${\mathrm{S}}_{\text{ij}}^{\infty }$)			Capacity (${\mathrm{k}}_{\mathrm{j}}^{\infty }$)
Deep Eutectic Solvents	Hexane/toluene	Ethanol/cyclohexane	Cyclohexane/hexane	Toluene	Cyclohexane	Hexane	Reference
[[EMPYR] Br + 1,5-PDO]	2.17	0.16	0.85	0.70	0.38	0.32	This work
[[EMPYR] Br + Gly]	1.70	0.03	0.82	0.02	0.01	0.01	[5]
[[TMAM] Cl + EG]	43.4	0.01	0.18	0.03	0.01	0.00	[6]
[[BMIM] Cl + Gly]	2.80	0.01	1.00	0.02	0.01	0.01	[2]
Ionic Liquids
$\left[{\left(\text{OH}\right)}_2{\mathrm{C}}_3\text{MPYR}\right]\left[\text{Cl}\right]$	6.96	0.09	0.28	0.47	0.24	0.07	[7]
$\left[\text{HMPYR}\right]\left[{\mathrm{T}}_{\mathrm{f}}\mathrm{N}\right]$	7.31	0.31	0.63	0.99	0.22	0.14	[8]
$\left[\text{EPY}\right]\left[\text{BTI}\right]$	13.1	0.09	0.53	0.49	0.07	0.04	[9]
Traditional solvents
Diethylene glycol	8.53	0.03	0.45	0.09	0.02	0.01	[10]
2-pyrrolidone	8.10	0.07	0.59	0.24	0.07	0.03	[11]
Sulfolane	10.7	0.15	0.45	0.30	0.06	0.03	[12]