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Synthesis of dimethyl carbonate induced by electrode activated carbon |
LIU Jiexi1, ZHU Yuxia1, QIU Jinjia1, LI Yue1, ZHONG Haizheng2 |
1. High School Affiliated to Renmin University of China, Beijing 100080, China;
2. College of Materials, Beijing Institute of Technology, Beijing 100081, China |
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Abstract: The method for the methanol and the carbon dioxide to directly react to prepare the dimethyl carbonate suffers from several deficiencies, such as too strict operation conditions, complex processing equipments, and low conversion rate of the methanol. A carbonabsorption solution is developed in this paper, in which the saturation concentration of the carbon dioxide reaches 0.528g/ml; the electrolysis is used to activate the carbon dioxide and in the electrolytic process the carbon dioxide is continuously added until saturation so as to obtain the electrochemical activation solution; the methyl iodide is used as the inducer, which is refluxed for 120 minutes with the methyl alcohol at 60℃, so as to obtain the dimethyl carbonate, with a purity of 99.0%, and the conversion rate of 99.5% (measured based on the amount of the methanol).
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Received: 19 June 2017
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