Catalytic behavior of calcium oxide for synthesis of dimethyl carbonate from propylene carbonate and methanol near room temperature

被引：0

作者：

Wei, T ^{[1
]}

Wang, M ^{[1
]}

Wei, W ^{[1
]}

Sun, YH ^{[1
]}

Zhong, B ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Conservat, Taiyuan 030001, Peoples R China

来源：

UTILIZATION OF GREENHOUSE GASES | 2003年 / 852卷

关键词：

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

For the first time, DMC was synthesized near room temperature from propylene carbonate (PC) and methanol (MeOH) on CaO with high yields and selectivity. Based on the assumption that hydroxylpropyl methyl carbonate (HPMC) was the intermediate in this reaction, the charge distributions for MeOH, PC and HPMC were calculated and a possible side reaction, the polymerization of PC, was inferred. The effect of temperature, catalyst concentration as well as the ratio of PC to MeOH on DMC yield and DMC selectivity was investigated in detail. The results obtained support the hypothesis of the intermediate and the side reaction. In addition, the effects of the addition method, temperature, catalyst concentration and the ratio of PC to MeOH on reaction rate were also investigated in detail. Based on these results, the possible mechanism of this reaction on CaO is proposed.

引用

页码：138 / 158

页数：21

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