Citation: Xing Cui Guo, Zhang Feng Qin, Guo Fu Wang, Jian Guo Wang. Critical temperatures and pressures of reacting mixture in synthesis of dimethyl carbonate with methanol and carbon dioxide[J]. Chinese Chemical Letters, ;2008, 19(2): 249-252. doi: 10.1016/j.cclet.2007.12.007 shu

Critical temperatures and pressures of reacting mixture in synthesis of dimethyl carbonate with methanol and carbon dioxide

a State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P. O. Box 165, Taiyuan, Shanxi 030001, China;
b Graduate School of the Chinese Academy of Sciences, Beijing 100049, China

Received Date: 27 August 2007

Fund Project: The authors are grateful for the financial support of the State Key Fundamental Research Project (2006CB202504) and the National Natural Science Foundation of China (No. 20473110) and Natural Science Foundation of Shanxi Province.

Critical temperatures and pressures of nominal reacting mixture in synthesis of dimethyl carbonate (DMC) from methanol and carbon dioxide (quaternary mixture of carbon dioxide+methanol+water+DMC) were measured using a high-pressure view cell.The results suggested that the critical properties of the reacting mixture depended on the reaction extent as well as its initial composition (initial ratio of carbon dioxide to methanol).Such information is essential for determining the reaction conditions when one intends to carry out the synthesis of DMC with CO₂ and methanol under supercritical conditions.
- Critical properties,
- Reacting mixture,
- Supercritical fluid,
- Dimethyl carbonate,
- Synthesis,
- Methanol,
- Carbon dioxide
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