Enhancing amine-supported materials for ambient air capture.
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abstract
Worth the wait: A new variable, zirconium content, has been added to the already complex amine-supported porous silica systems used for CO2 capture. SBA-15 incorporating Zr ions and loaded with poly(ethyleneimine) was exposed to simulated flue gas (10 % CO2) and ambient air (400 ppm CO2). Not only was the performance of the Zr-doped material significantly better than that of the pristine system, it also displayed improved desorption kinetics. Copyright 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.