Modified Zinc Oxide for the Direct Synthesis of Propylene Carbonate from Propylene Glycol and Carbon dioxide |
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| Authors: | Shiyong Huang Shuigang Liu Junping Li Ning Zhao Wei Wei Yuhan Sun |
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| Affiliation: | (1) State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, P.R. China;(2) Graduate School of the Chinese Academy of Sciences, Beijing, 100039, P.R. China |
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| Abstract: | A series of modified zinc oxide catalysts were prepared and their catalytic activities were evaluated by the direct synthesis
of propylene carbonate from propylene glycol and carbon dioxide in the presence of acetonitrile, which acted as not only the
solvent but also the dehydrating reagent in the reaction. The reusability test indicated that the modified catalysts had the
high stability. Ammonium carbonate was added into the reaction to significantly elevate the selectivity of propylene carbonate. |
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| Keywords: | Propylene carbonate Modified zinc oxide Propylene glycol Carbon dioxide |
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