Ionic Liquids for CO2 Capture and Emission Reduction
The Journal of Physical Chemistry Letters2010Vol. 1(24), pp. 3459–3464
Citations Over TimeTop 1% of 2010 papers
Abstract
Ionic liquids, especially those functionalized with amine groups, show significant potential for a wide variety of CO2 separations, including postcombustion CO2 capture. By tethering the amine to the anion, the stoichiometry of the reaction can be doubled from one CO2 for every two amines (as is the case with aqueous monoethanolamine) to one CO2 for each amine. Moreover, the reaction enthalpy can be actively tuned by the design of the anion, adjusting capacity and regeneration energy. In addition, ILs can be used without added water, further reducing the parasitic energy required for CO2 removal from flue gas.
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