It was revealed that the quantity of CO2 captured in mesoporous silica functionalized with polyethylenimine is made best use of at a temperature level dependent on the amount of PEI; for SBA-15/ PEI-50 the ideal temperature is 75 C. A better understanding of the mechanism of CO2 sorption in PEI functionalized mesoporous silica has been gotten, revealing how to more efficiently apply these materials for carbon capture. PEI loaded SBA-15 was identified by common methods as well as small angle neutron spreading. SANS was used to measure CO2 capture in-situ producing the meso-structure and CO2 circulation as a function of temperature.
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