期刊
PURE AND APPLIED CHEMISTRY
卷 84, 期 3, 页码 603-620出版社
WALTER DE GRUYTER GMBH
DOI: 10.1351/PAC-CON-11-06-02
关键词
carbon dioxide; dimethyl carbonate synthesis; oxidative carbonylation; phosgene-free; transesterification; urea
资金
- State Key Program for Development and Research of China [2006BAC02A08]
Dimethyl carbonate (DMC) is considered as an environmentally benign chemical due to negligible ecotoxicity, low bioaccumulation, and low persistence. However, the traditional process of DMC synthesis via phosgene and methanol is limited in industry owing to the toxic raw material involved. Thus, environmentally friendly phosgene-free processes for DMC production have been proposed and developed in the past decades. Until now, the alternatives appear to be the oxidative carbonylation of methanol, the transesterification of pro pylene or ethylene carbonate (PC or EC), the methanolysis of urea, and the direct synthesis of DMC from CO2 with methanol. In this review, we present some recent developments of these phosgene-free approaches and their prospects for industrialization.
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