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- W2387844404 abstract "The synthesis of diethyl carbonate via alcoholysis of urea with the composite metal oxide catalysts was studied.Among a series of test catalysts,the Zn-Mg-Al(2∶1∶3) catalyst showed the highest catalytic activity.The catalyst was characterized by BET and XRD and the reaction parameters were optimized.For the Zn-Mg-Al(2∶1∶3) catalyst,yield of diethyl carbonate was over 38 % under the optimized reaction conditions: catalyst mass fraction of 4 %,ethanol/urea molar ratio of 10:1,reaction temperature of 190℃ and reaction time of 7 hours.The catalyst had excellent stability for the alcoholysis of urea,and the yield was still more than 30% at the fourth reuse." @default.
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- W2387844404 date "2012-01-01" @default.
- W2387844404 modified "2023-09-22" @default.
- W2387844404 title "Synthesis of diethyl carbonate via alcoholysis of urea catalyzed by composite metal oxide catalysts" @default.
- W2387844404 hasPublicationYear "2012" @default.
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