CaO催化非均相体系制备碳酸甘油酯
Synthesis of Glycerol Carbonate Catalyzed by CaO in Heterogeneous System
DOI: 10.12677/HJCET.2017.74025, PDF,    科研立项经费支持
作者: 闫天兰, 高美琦, 王 博, 雷 凯, 樵 棋, 周 瑞, 汤 颖：西安石油大学化学化工学院，陕西 西安
关键词: CaO；碳酸甘油酯；酯交换；CaO； Glycerol Carbonate； Transesterification
摘要: 以CaO为催化剂，将其用于催化甘油与碳酸二甲酯酯交换反应制备碳酸甘油酯，考察了CaO预处理条件和反应条件对碳酸甘油酯产率的影响。实验结果表明：催化剂焙烧温度对碳酸甘油酯产率影响显著，800℃焙烧的CaO具有较高的催化活性。在反应温度65℃，甘油与碳酸二甲酯摩尔比1:3，催化剂用量5%(基于甘油质量)条件下，CaO催化反应1 h碳酸甘油酯产率可达87.02%。
Abstract: CaO was applied to glycerol carbonate production by the transesterification of glycerol and dimethyl carbonate. The effects of the catalyst preparation conditions and reactions condition on the performances of CaO in the transesterification were investigated. The results showed that the catalyst activity of CaO was greatly influenced by the different calcination temperatures, and the catalyst possesses a good activity when it was calcined at the temperature 800˚C. A desired glycerol carbonate yield of 87.02% was obtained at glycerol/dimethyl carbonate of 1:3, catalyst amount of 5%, and reaction time of 1 h at 65˚C.
文章引用：闫天兰, 高美琦, 王博, 雷凯, 樵棋, 周瑞, 汤颖. CaO催化非均相体系制备碳酸甘油酯[J]. 化学工程与技术, 2017, 7(4): 168-174. https://doi.org/10.12677/HJCET.2017.74025

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