期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 41, 页码 12919-12925出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta12261a
关键词
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资金
- NSF of China [21173117, 21273106, 21273111]
- Analysis Center of Nanjing University
A synergistic effect between a self-dispersion of MgO and biomass-derived carbon in the adsorption of CO2 is reported for the first time. Magnesia and carbon mixed particles are formed in situ during the carbonization of magnesium acetate on activated carbon made from coconut, increasing the accessibility of basic sites for CO2 adsorption. With these complementary effects of the hierarchical structural support, the composite containing 20% magnesia can trap 5 times more CO2 than 20% MgO/SiO2, in the harsh instantaneous adsorption of CO2 at 100 and 150 degrees C, offering a new candidate for the adsorption of CO2 in flue gas vents.
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