Title: Study on Novel Technology for Green Synthesis of Benzyl Acetate
Abstract: The esterification of benzyl alcohol and acetic acid with N-methyl pyrrolidonium hydrogen sulfate(HSO4) as a catalyst and the cyclohexane as a water-carrying agent was studied.The effects of different factors such as the amount of catalyst,reaction temperature,reaction time,molar ratio of acid to alcohol and the water-carrying agent were investigated in detail.The results showed that HSO4 exhibited excellently catalytic activity.When the dosage of catalyst was 1% based on alcohol,the molar ratio of acetic acid to benzyl alcohols was 1.4∶1,the dosage of cyclohexane was 6 mL(the molar ratio of cyclohexane /benzyl alcohols was 0.56),the reaction temperature was 110℃,the reaction time was 1h,the yield of benzyl acetate was over 98%.The yield of benzyl acetate was 97.5% when the experiment was 10 times magnification.The catalyst could be reused for six times without significant yield declining.The corrosive experiment showed that the corrosive ratio of stainless steel in HSO4 was 0.015 2 g/(m2·h).
Publication Year: 2009
Publication Date: 2009-07-25
Language: en
Type: article
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