Novick, Kim & Lee, PLLC
Method for separating dimethyl carbonate from methanol
A method for separating dimethyl carbonate from methanol includes subjecting a raw material containing dimethyl carbonate and methanol to extractive distillation. The extractant contains an ionic liquid and a compound having a general formula of CH3O(CH2CH2O)nCH3, n being an integer of 2-8. The ionic liquid is an imidazole ionic liquid, a pyridine ionic liquid, or a mixture thereof.
Shanghai Research Institute of Petrochemical Technology, SINOPEC China Petroleum & Chemical Corporation
C B C B B B
C07C B01D C07C B01D B01D B01D
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Junwei Jun Jiahua Taikang Wenjun Weimin
Ge Li Wang Fei He Yang