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CO 2 adsorption properties on Mg modified silica mesoporous materials were investigated. By using the methods of co-condensation, dispersion and ion-exchange, Mg 2+ was introduced into SBA-15 and MCM-41, and transformed into MgO in the calcination process. The basic MgO can provide active sites to enhance the acidic CO 2 adsorption capacity. To improve the amount and the dispersion...
Novel CO2 adsorbents were prepared by grafting aminosilanes on mesoporous silica MCM-41. The effects of solvent and temperature on the grafting of the amine group were studied. The results of thermal gravimetric analysis of the AEAPDMS-MCM-41s produced in different solvents revealed that the nonpolar solvent toluene and the aprotic polar solvent THF are beneficial to the amine group modification reaction...
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