In the process of producing high purity dimethyl carbonate, commercial dimethyl carbonate is placed in a cooling stage, the first heating stage, the separation stage and the second heating stage.

摘要

Process for the production of high purity dimetilcarbonato (DMC), which includes subjecting The DMC to between 6 and - 5C Cooling and Cooling at a Speed of between 0.5 to 2 c / hourSubmit the DMC - Warming between 5 to 6 c and at a Speed between 1 to 40 / hour, Solid Liquid Separating DMC,The DMC and submit to a Solid Second heating at 20 and 40; and use of DMC.