(704c) Thermal Swing Sorption Process for CO2 Capture from Flue Gas

Authors: 
Mulukutla, T. - Presenter, New Jersey Institute of Technology
Chau, J., New Jersey Institute of Technology
Singh, D., New Jersey Institute of Technology
Obuskovic, G., New Jersey Institute of Technology
Sirkar, K. K., New Jersey Institute of Technology

A variety of sorbents are being used in packed beds for CO2 capture from flue gas. The bed is regenerated by thermally stripping CO2 in a cyclic process. The sorbent capacity is highly relevant. The higher the sorption capacity, the lower is the energy requirement for CO2 capture and recovery. The highest values of the CO2 sorption capacity in published literature are between 2.5 and 3 mmol/g of the sorbent. We have developed a novel sorbent having a capacity of as much as 6.3-7 mmol/g of the sorbent and determined its selectivity with respect to N2. We have studied the sorption and desorption behavior of the packed bed with flue gas in a cyclic process. Experimental results will be presented and discussed. Membranes are of special use in such a process.
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