Table 1.

DESs database studied in this work for CO₂ solubility.

DES	HBA	HBD	Mole ratio (HBA:HBD)	Temperature range (K)	Press range (KPa)	Numbers of data	References
ChCl-Phenol	Choline chloride	Phenol	1:2	293.15–323.15	99–520.2	19	Li et al., 2014
BTEACl-AC	Benzyltriethylammonium chloride	Acetic acid	1:2	298.15	325–2054	6	Sarmad et al., 2017b
BTMACl-AC	Benzyltrimethylammonium chloride	Acetic acid	1:2	298.15	219–2037	7
BTMACl-GLY	Benzyltrimethylammonium chloride	Glycerol	1:2	298.15	394–2026	6
TBACl-AC	Tetrabutylammonium chloride	Acetic acid	1:2	298.15	348–2002	6
TBABr-AC	Tetrabutylammonium bromide	Acetic acid	1:2	298.15	388–2011	5
TEACl-AC	Tetraethylammonium chloride	Acetic acid	1:2	298.15	281–2018	6
TEMACl-AC	Triethylmethylammonium chloride	Acetic acid	1:2	298.15	198–1837	7
TEMACl-EG	Triethylmethylammonium chloride	Ethylene glycol	1:2	298.15	138–1345	6
TEMACl-LA	Triethylmethylammonium chloride	Lactic acid	1:2	298.15	143–1863	6
TEMACl-LEV	Triethylmethylammonium chloride	Levulinic acid	1:2	298.15	136–1617	5
TEMACl-GLY	Triethylmethylammonium chloride	Glycerol	1:2	298.15	150-1648	5
TBACl-LA	Tetrabutylammonium chloride	Lactic acid	1:2	308, 318	93–1992, 93–1992	28	Zubeir et al., 2014
TEACl-LA	Tetraethylammonium chloride	Lactic acid	1:2	308, 318	97–1993, 94–1992	40
TMACl-LA	Tetramethylammonium chloride	Lactic acid	1:2	308, 318	98–1992, 95–1993	40
ChCl-DEG	Choline chloride	Diethylene glycol	1:3	293.15–323.15	112.8–524	20	Li et al., 2014
ChCl-FA	Choline chloride	Furfuryl alcohol	1:3	303.15–333.15	80.9–586.4	24	Lu et al., 2015
ChCl-LEV	Choline chloride	Levulinic acid	1:3	303.15–333.15	69.8–579.8	24
ChCl-Phenol	Choline chloride	Phenol	1:3	293.15–323.15	104.4–514.4	20
ChCl-TEG	Choline chloride	Triethylene glycol	1:3	293.15–323.15	109.3–516	20	Li et al., 2014
TEACl-AC	Tetraethylammonium chloride	Acetic acid	1:3	298.15	397–2016	6	Sarmad et al., 2017b
TEACl-OCT	Tetraethylammonium chloride	Octanoic acid	1:3	298.15	353–2018	6
MTPPBr-LEV	Methyltriphenyl phosphonium bromide	Levulinic acid	1:3	298.15	301–2068	7
ChCl-DEG	Choline chloride	Diethylene glycol	1:4	293.15–323.15	110.4–526.9	20	Li et al., 2014
ChCl-FA	Choline chloride	Furfuryl alcohol	1:4	303.15–333.15	65.2–585.4	24	Lu et al., 2015
ChCl-LEV	Choline chloride	Levulinic acid	1:4	303.15–333.15	60–587.4	24
ChCl-Phenol	Choline chloride	Phenol	1:4	293.15–323.15	108.2–529.1	20	Li et al., 2014
ChCl-TEG	Choline chloride	Triethylene glycol	1:4	293.15–323.15	109.3–520.3	20
TMACl-AC	Tetramethylammonium chloride	Acetic acid	1:4	298.15	294–1741	6	Sarmad et al., 2017b
TPACl-EA	Tetrapropylammonium chloride	Ethanolamine	1:4	298.15	481–2009	6
MTPPBr-AC	Methyltriphenyl phosphonium bromide	Acetic acid	1:4	298.15	173–2014	8
MTPPBr-1,2-PRO	Methyltriphenyl phosphonium bromide	1,2-Propanediol	1:4	298.15	220–2026	7
ChCl-LEV	Choline chloride	Levulinic acid	1:5	303.15–333.15	71.5–581	24	Lu et al., 2015
ChCl-FA	Choline chloride	Furfuryl alcohol	1:5	303.15–333.15	70.9–577.2	24
TPACl-AC	Tetrapropylammonium chloride	Acetic acid	1:6	298.15	350–2030	6	Sarmad et al., 2017b