Abstract
The reduction of carbon dioxide (CO2) emissions is a major global challenge in the fight against climate change. Among the various technologies available for post-combustion CO2 capture, amine-based absorption is currently considered the most advanced and cost-effective[1]. However, the absorption process incurs a significant energy penalty, prompting research efforts to develop new energy-efficient solvents for widespread implementation of CO2 capture. One such alternative to the commonly used ethanolamine (MEA) is an aqueous blend of 2-amino-2-methyl-1-propanol (AMP) and piperazine (PZ). Research has shown that CESAR1( a blend of 3.0 M AMP and 1.5 M PZ) demonstrates lower energy consumption [2], lower degradation rates [3], [4] and higher loading capacity than MEA [5]. CESAR1 solvent’s non-proprietary nature, independence from a specific technology provider, and superior performance compared to MEA make it a compelling choice as an alternative for MEA.
Acknowledgments:
This research has received funding from the European Union’s Horizon Europe research and innovation programme
under grant agreement No. 101096521.
Keywords: post-combustions capture; amine-based absorption; solvent characterization; CESAR1 solvent; literature review.
Authors: H. K. Knuutila, D. Morlando, A. Hartono (Deparment of Chemical Engineering, NTNU, NO-7491 Trondheim, Norway), V.Buvik, H.M. Kvamsdal, E.F. da Silva, H.F. Svendsena (SINTEF Industry, NO-7465 Trondheim, Norway)
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