期刊
SEPARATION AND PURIFICATION TECHNOLOGY
卷 34, 期 1-3, 页码 255-263出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S1383-5866(03)00198-9
关键词
dimethyl carbonate; reactive distillation; reactor modeling; kinetics; transesterification reaction
This paper gives a comprehensive study on dimethyl carbonate synthesis by transesterification reaction of methanol with ethylene carbonate (EC) resulted from CO2 and ethylene epoxide, co-producing useful ethylene glycol (EG). The reaction is reversible with an EC equilibrium conversion of about 80%. The reactive distillation column is an ideal reactor to realize a completion conversion of EC. A novel experimental reactor is proposed with several flasks interlinked, and the satisfactory results are obtained. A rigorous mathematical model is developed including mass balance equation, heat balance equation, phase equilibrium equation. summation equation and reaction kinetics equation. The calculated results show a good agreement with the experimental ones. (C) 2003 Elsevier B.V. All rights reserved.
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