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Carbon Management Volume 3, 2012 - Issue 5
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Review Series

Part 5c: Solvent chemistry: solubility of CO2 in reactive solvents for post-combustion CO2

Aravind V Rayer International Test Centre for CO2 Capture, Faculty of Engineering & Applied Science, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada
,
Kazi Z Sumon International Test Centre for CO2 Capture, Faculty of Engineering & Applied Science, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada
,
Teerawat Sema International Test Centre for CO2 Capture, Faculty of Engineering & Applied Science, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada
,
Amr Henni International Test Centre for CO2 Capture, Faculty of Engineering & Applied Science, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada. [email protected]
,
Raphael O Idem International Test Centre for CO2 Capture, Faculty of Engineering & Applied Science, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada; Joint International Centre for CO2 Capture & Storage, Department of Chemical Engineering, Hunan University, Changsha, 410081, PR China
&
Paitoon Tontiwachwuthikul International Test Centre for CO2 Capture, Faculty of Engineering & Applied Science, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada; Joint International Centre for CO2 Capture & Storage, Department of Chemical Engineering, Hunan University, Changsha, 410081, PR China
Pages 467-484 | Published online: 10 Apr 2014

Figures & data

Figure 1.  High-pressure solubility data for CO2 in high concentrated chemical solvents at 40°C.

Red: primary amines; turquoise: sterically hindered amines; gray: secondary amines; blue: diamines.

1-MPZ: 1-methyl piperazine; AEEA: 2-((2-aminoethyl)amino)ethanol; AEPD: 2-amino-2-ethyl-1,3-propanediol; AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; AMPD: 2-amino-1-methyl-1,3-propanediol; DEA: Diethanolamine; DGA: Diglycolamine; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; MIPA: Monoisopropanolamine; PE: 2-piperidineethanol; PZ: Piperazine; TIPA: Triisopropanolamine.

Data taken from Citation[17,19,29–42].

Figure 1.  High-pressure solubility data for CO2 in high concentrated chemical solvents at 40°C.Red: primary amines; turquoise: sterically hindered amines; gray: secondary amines; blue: diamines.1-MPZ: 1-methyl piperazine; AEEA: 2-((2-aminoethyl)amino)ethanol; AEPD: 2-amino-2-ethyl-1,3-propanediol; AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; AMPD: 2-amino-1-methyl-1,3-propanediol; DEA: Diethanolamine; DGA: Diglycolamine; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; MIPA: Monoisopropanolamine; PE: 2-piperidineethanol; PZ: Piperazine; TIPA: Triisopropanolamine.Data taken from Citation[17,19,29–42].
Figure 2.  Low-pressure solubility data for CO2 in chemical solvents (low concentrated) at 40°C.

Red: primary amines; turquoise: sterically hindered amines; gray: secondary amines; blue: diamines; black: tertiary amines.

3AP: 3-aminopyridine-2-carboxaldehyde thiosemicarbazone; 4DEA2B: 4-(diethylamino)-2-butanol; AEEA: 2-((2-aminoethyl)amino)ethanol; AEPD: 2-amino-2-ethyl-1,3-propanediol; AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; DEA: Diethanolamine; DGA: Diglycolamine; DIPA: Diisopropanolamine; HXDD: 1,6-hexanediamine; MAE: 2-methylamino ethanol; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; MO: Morpholine; PZ: Piperazine; TEA: Triethanolamine; TIPA: Triisopropanolamine.

Data taken from Citation[19,33,41–54].

Figure 2.  Low-pressure solubility data for CO2 in chemical solvents (low concentrated) at 40°C.Red: primary amines; turquoise: sterically hindered amines; gray: secondary amines; blue: diamines; black: tertiary amines.3AP: 3-aminopyridine-2-carboxaldehyde thiosemicarbazone; 4DEA2B: 4-(diethylamino)-2-butanol; AEEA: 2-((2-aminoethyl)amino)ethanol; AEPD: 2-amino-2-ethyl-1,3-propanediol; AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; DEA: Diethanolamine; DGA: Diglycolamine; DIPA: Diisopropanolamine; HXDD: 1,6-hexanediamine; MAE: 2-methylamino ethanol; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; MO: Morpholine; PZ: Piperazine; TEA: Triethanolamine; TIPA: Triisopropanolamine.Data taken from Citation[19,33,41–54].
Figure 3.  Change in the solubility of CO2 in aqueous methyldiethanolamine after addition of other amines at 40°C.

AMP: 2-amino-2-methyl-1-propanol; DEA: Diethanolamine; DIPA: Diisopropanolamine; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; PZ: Piperazine.

Data taken from Citation[46,55–58].

Figure 3.  Change in the solubility of CO2 in aqueous methyldiethanolamine after addition of other amines at 40°C.AMP: 2-amino-2-methyl-1-propanol; DEA: Diethanolamine; DIPA: Diisopropanolamine; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; PZ: Piperazine.Data taken from Citation[46,55–58].
Figure 4.  Change of solubility of CO2 in piperazine after the addition of other amines at 40°C.

AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; DEA: Diethanolamine; DIPA: Diisopropanolamine; MDEA: Methyldiethanolamine; PZ: Piperazine; TEA: Triethanolamine; TIPA: Triisopropanolamine.

Data taken from Citation[22,55,58–63].

Figure 4.  Change of solubility of CO2 in piperazine after the addition of other amines at 40°C.AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; DEA: Diethanolamine; DIPA: Diisopropanolamine; MDEA: Methyldiethanolamine; PZ: Piperazine; TEA: Triethanolamine; TIPA: Triisopropanolamine.Data taken from Citation[22,55,58–63].
Figure 5.  Change in the solubility of CO2 in aqueous diglycolamine by addition of morpholine at 25°C.

DGA: Diglycolamine; MO: Morpholine.

Data taken from Citation[52].

Figure 5.  Change in the solubility of CO2 in aqueous diglycolamine by addition of morpholine at 25°C.DGA: Diglycolamine; MO: Morpholine.Data taken from Citation[52].
Figure 6.  Change in the solubility of CO2 at 100 kPa.

3AP: 3-aminopyridine-2-carboxaldehyde thiosemicarbazone; AEEA: 2-((2-aminoethyl)amino)ethanol; AEPD: 2-amino-2-ethyl-1,3-propanediol; AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; AMPD: 2-amino-1-methyl-1,3-propanediol; DEA: Diethanolamine; DGA: Diglycolamine; DIPA: Diisopropanolamine; MAE: 2-methylamino ethanol; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; PZ: Piperazine; TEA: Triethanolamine; TIPA: Triisopropanolamine.

Data taken from Citation[17,30,31,33–36,41,42,53,54,56,60,61,64].

Figure 6.  Change in the solubility of CO2 at 100 kPa.3AP: 3-aminopyridine-2-carboxaldehyde thiosemicarbazone; AEEA: 2-((2-aminoethyl)amino)ethanol; AEPD: 2-amino-2-ethyl-1,3-propanediol; AHPD: 2-amino-2-(hydroxymethyl)-1, 3-propanediol; AMP: 2-amino-2-methyl-1-propanol; AMPD: 2-amino-1-methyl-1,3-propanediol; DEA: Diethanolamine; DGA: Diglycolamine; DIPA: Diisopropanolamine; MAE: 2-methylamino ethanol; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; PZ: Piperazine; TEA: Triethanolamine; TIPA: Triisopropanolamine.Data taken from Citation[17,30,31,33–36,41,42,53,54,56,60,61,64].
Figure 7.  Comparison of the solubility of CO2 in different mixtures of ionic liquids and amines.

[BMIM][BF4]: 1-butyl-3-methylimidazolium tetraflluoroborate; BHEAA: Bis(2-hydroxyethyl)ammonium acetate; MDEA: Methyldiethanolamine; MEA: Monoethanolamine.

Data taken from Citation[65–67].

Figure 7.  Comparison of the solubility of CO2 in different mixtures of ionic liquids and amines.[BMIM][BF4]: 1-butyl-3-methylimidazolium tetraflluoroborate; BHEAA: Bis(2-hydroxyethyl)ammonium acetate; MDEA: Methyldiethanolamine; MEA: Monoethanolamine.Data taken from Citation[65–67].
Figure 8.  CO2 capture capacity of aqueous ionic liquids, amines and their mixtures.

[BMIM][BF4]: 1-butyl-3-methylimidazolium tetraflluoroborate; IL: Ionic liquid; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; PZ: Piperazine; TEA: Triethanolamine.

Data taken from Citation[68].

Figure 8.  CO2 capture capacity of aqueous ionic liquids, amines and their mixtures.[BMIM][BF4]: 1-butyl-3-methylimidazolium tetraflluoroborate; IL: Ionic liquid; MDEA: Methyldiethanolamine; MEA: Monoethanolamine; PZ: Piperazine; TEA: Triethanolamine.Data taken from Citation[68].
Figure 9.  Comparison of the experimental data for CO2 partial pressure of the methyldiethanolamine–H2O–CO2 system and the model results.

Methyldiethanolamine concentration is ∼8 M.

e-NRTL: Electrolyte nonrandom two-liquid; MDEA: Methyldiethanolamine; T: Temperature.

Reproduced with permission from Citation[69] © American Chemical Society (2011).

Figure 9.  Comparison of the experimental data for CO2 partial pressure of the methyldiethanolamine–H2O–CO2 system and the model results.Methyldiethanolamine concentration is ∼8 M.e-NRTL: Electrolyte nonrandom two-liquid; MDEA: Methyldiethanolamine; T: Temperature.Reproduced with permission from Citation[69] © American Chemical Society (2011).
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