氨基改質之鋁鎂氧氣凝膠應用於二氧化碳／環氧丙烷之環加成反應

林詠傑

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氨基改質之鋁鎂氧氣凝膠應用於二氧化碳／環氧丙烷之環加成反應

Amino Group Modification of Al-Mg-O Aerogels for Carbon Dioxide／Propylene Oxide Cycloaddition Reaction

林詠傑 , Masters　　Advisor：林義峯　　

繁體中文

氧化鋁氣凝膠；鋁鎂氧氣凝膠；氨基改質之鋁鎂氧凝膠；二氧化碳再利用；環加成反應；環氧丙烷；碳酸丙烯酯； Alumina aerogel ； Al-Mg-O aerogel ； Amine Al-Mg-O aerogel ； CO2 recovery ； cycloaddition ； propylene oxide ； propylene carbonate

Abstract │ Reference (78) │ Altmetrics

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CO2 is the primary greenhouse gas which causes global warming in recent years. As the carbon capture and storage (CCS) getting maturing, the reuse of carbon dioxide which made from CCS is the important issue. In this way, the most common method is the synthesis of cyclic carbonate chemicals from the cycloaddition reaction of carbon dioxide and epoxide. The catalyst plays an important role in the CO2/epoxide cycloaddition reactions. The Lewis acidic and basic sites are both needed on the catalyst surface for the help of epoxide ring opening, leading to the synthesis of cyclic carbonate. Furthermore, the larger specific surface area and more active site of the catalyst are also needed to enhance the efficiency of the CO2/epoxide cycloaddition reactions.
　　Aerogel is a mesoporous nanomaterial (pore size between 2~50 nm) with high specific surface area and porosity (at least 90%) and low density. In this study, for the first time, the ternary metal oxide aerogels, Mg-doped Al2O3 aerogels, with higher specific surface area and Lewis acidic and basic sites on the aerogel surface are successfully prepared using a facile sol-gel reaction. The as-prepared Mg-doped Al2O3 aerogels are also served as a heterogeneous catalyst for the CO2/propylene oxide cycloaddition reaction. Compared to the pristine Al2O3 aerogels, the Mg-doped Al2O3 aerogels possessed both Lewis acidic and basic sites on the surface are able to enhance the efficiency of the CO2/propylene oxide cycloaddition reactions. As a result, the as-prepared Mg-doped Al2O3 aerogels are a promising and novel catalyst for the CO2/epoxide cycloaddition reactions.

Reference ( 78 ) 〈TOP〉

[3] T. Sankaranarayanan, SYNTHESIS OF CHEMICALS FROM CARBON DIOXIDE, Chapter-14 (2015).
連結：
[7] A.R. Kulkarni, D.S. Sholl, Analysis of equilibrium-based TSA processes for direct capture of CO2 from air, Industrial & Engineering Chemistry Research, 51 (2012) 8631-8645.
連結：
[8] J. Merel, M. Clausse, F. Meunier, Experimental investigation on CO2 post− combustion capture by indirect thermal swing adsorption using 13X and 5A zeolites, Industrial & Engineering Chemistry Research, 47 (2008) 209-215.
連結：
[9] L. Wang, Z. Liu, P. Li, J. Yu, A.E. Rodrigues, Experimental and modeling investigation on post-combustion carbon dioxide capture using zeolite 13X-APG by hybrid VTSA process, Chemical engineering journal, 197 (2012) 151-161.
連結：
[10] C.-C. Lin, B.-C. Chen, Carbon dioxide absorption into NaOH solution in a cross-flow rotating packed bed, Journal of Industrial and Engineering Chemistry, 13 (2007) 1083-1090.
連結：

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