Abstract
Solvent systems that separate into two phases upon absorption of CO2, one rich and one lean in CO2, have significant potential to exhibit reduced energy requirements. This reduction stems primarily from the ability to separate the two phases such that only the stream containing CO2 is heated in the regenerator resulting in reduced sensible and latent heating requirements. Thus, this class of solvents are currently under intense investigation in universities and industries globally. This chapter presents recent developments in Solid-Liquid and Liquid-Liquid phase change solvents for CO2 capture, including laboratory, pilot scale and commercial system installations.
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- A:
-
Amine (in Fig. 2)
- AAS:
-
Amino acid salt
- ABS:
-
Absorber
- AMP:
-
2-Amino-2-methyl-1-propanol
- COND:
-
Condenser
- DEA:
-
Diethanolamine
- DEEA:
-
2-(diethylamino)ethanol
- DMCA:
-
Dimethylcyclohexylamine
- DPA:
-
Dipropylamine
- HEX:
-
Heat exchanger
- HP CO2 :
-
High pressure carbon dioxide
- Kn :
-
Equilibrium constant
- LP CO2 :
-
Low pressure carbon dioxide
- MAPA:
-
3-(methylamino)propylamine
- MEA:
-
Monoethanolamine
- NMP:
-
N-methyl-2-pyrrolidone
- P:
-
Pump
- REB:
-
Reboiler
- SEP:
-
Separator
- TBS:
-
Thermomorphic biphasic solvent
- TEGDME:
-
Triethylene glycol dimethyl ether
- TEPA:
-
Tetraethylenepentamine
- TETA:
-
Triethylenetetramine
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Mumford, K.A., Smith, K.H., Stevens, G.W. (2017). Phase Change Solvents for CO2 Capture Applications. In: Budzianowski, W. (eds) Energy Efficient Solvents for CO2 Capture by Gas-Liquid Absorption. Green Energy and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-47262-1_5
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DOI: https://doi.org/10.1007/978-3-319-47262-1_5
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