4.6 Article

The Synthesis of Glycerol Carbonate from Glycerol and Carbon Dioxide over Supported CuO-Based Nanoparticle Catalyst

期刊

MOLECULES
卷 28, 期 10, 页码 -

出版社

MDPI
DOI: 10.3390/molecules28104164

关键词

glycerol; glycerol carbonate; carbon dioxide; 2-cyanopyridine; CuO/Al2O3

向作者/读者索取更多资源

A series of CuO-based nanoparticle catalysts supported by different materials were prepared and used for the synthesis of glycerol carbonate. The catalytic activity was influenced by the CuO loading amount, calcination temperature, and properties of the support materials. CuO/Al2O3 exhibited the highest catalytic activity due to its surface area and number of basic sites. The catalyst showed a synergistic effect with 2-cyanopyridine, allowing for glycerol activation and CO2 promotion. The catalyst could be recycled for multiple cycles without deactivation.
A series of supported CuO-based nanoparticle catalysts were prepared by the impregnation method and used for the synthesis of glycerol carbonate from glycerol and CO2 in the presence of 2-cyanopyridine as a dehydrant and DMF as a solvent. The effects of supports (activated alumina, silicon dioxide, graphene oxide, graphene, and activated carbon), CuO loading amount, calcination temperature, and reaction parameters on the catalytic activity of the catalyst were investigated in detail. XRD, FTIR, SEM, BET, and CO2-TPD were used for the characterization of the prepared catalysts. It is found that CuO/Al2O3 shows a higher catalytic activity, which depends on the CuO loading amount and calcination temperature. The surface area and number of basic sites of the catalyst exhibit a crucial effect on the catalytic activity of CuO/Al2O3. Furthermore, there is a synergistic effect between the catalyst and 2-cyanopyridine where the former has a higher activation ability for glycerol and the latter acts not only as a dehydrant, but also as a promoter for CO2 activation. Recycling experiments reveal that this catalyst can be reused for at least five cycles without any inactivation. Based on the experiment results and FTIR characterization, a possible reaction mechanism for the carbonylation of glycerol and CO2 is proposed.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.6
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据