291803 Assessment of Functionalized Alkylimidazoles for Post-Combustion CO2 Capture Processes

Monday, October 29, 2012
Hall B (Convention Center )
Kristofer Reclusado1, Jason E. Bara2, Joshua Moon2, Matthew S. Shannon2, Alexander Stanton2, A. Christopher Irvin2 and Michelle S. Hindman2, (1)Chemical Engineering, Villanova University, Villanova, PA, (2)Chemical & Biological Engineering, University of Alabama, Tuscaloosa, AL

Imidazole-based solvents are advantageous for the development of engineering processes for clean energy generation and consumption. Post-combustion CO2 capture processes are one of the technologies where imidazole-based solvents can be implemented.  Research was conducted on a systematically varied library of imidazoles in order to gauge their feasibility in post-combustion CO2 capture processes. A number of imidazole-based compounds were synthesized and physical properties such as viscosity, density, and vapor pressures were characterized. All tests were done both experimentally and through the use of computer simulations. Comparisons were made between different imidazoles in order to distinguish the influence of the size and position of alkyl groups attached to the imidazole ring. Results show that the addition alkyl groups along the main ring can have significant influence on the properties and performances of these solvents. Our research indicates that this class of compounds possesses both physical and chemical properties useful for absorptive removal of CO2 from industrial gas streams.

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