| 超声辅助合成乙酸苄酯反应条件优化及其动力学 |
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| 引用本文： | 王俊,陈曦,吕效平,韩萍芳.超声辅助合成乙酸苄酯反应条件优化及其动力学[J].化学反应工程与工艺,2011,27(2):172-177. |
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| 作者姓名： | 王俊 陈曦 吕效平 韩萍芳 |
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| 作者单位： | 南京工业大学化学化工学院超声化学工程研究所,江苏南京,210009 |
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| 摘 要： | 以乙酸和苯甲醇为原料,浓硫酸为催化剂催化合成乙酸苄酯.考察了超声频率、超声强度、反应温度、催化剂用量、带水剂种类和带水剂用量对合成乙酸苄酯的影响,同时对超声和无超声辅助合成乙酸苄酯条件下的动力学进行了研究.绌果表明,在超声频率10 kHz,超声强度1.0 W/cm2,苯甲醇和乙酸的物质的量之比1.5∶1,催化剂用量为2...
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| 关 键 词： | 超声 乙酸苄酯 酯化反 应动力学 乙酸 苯甲醇 浓硫酸 |
Reaction Conditions and Kinetics in Synthesis of Benzyl Acetate by Ultrasound |
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| Wang Jun,Chen Xi,Lv Xiaoping,Han Pingfang.Reaction Conditions and Kinetics in Synthesis of Benzyl Acetate by Ultrasound[J].Chemical Reaction Engineering and Technology,2011,27(2):172-177. |
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| Authors: | Wang Jun Chen Xi Lv Xiaoping Han Pingfang |
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| Affiliation: | Wang Jun,Chen Xi,Lv Xiaoping,Han Pingfang (Nanjing University of Technology,College of Chemistry and Chemical Engineering. Institute of Sonochemical Engineering.Nanjing 210009,China) |
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| Abstract: | Benzyl acetate was synthesized from acetic and benzyl alcohol using concentrated sulfuric acid as catalyst under ultrasonic radiation.The effects of ultrasonic frequency,ultrasonic intensity,reaction temperature, catalyst dosage,water-carrying agent and water-carrying agent dosage on the esterification were investigated.The kinetics of synthesis of benzyl acetate was studied under ultrasonic radiation or not.The results showed that the esterification reached 93.7%under the conditions of ultrasonic frequency... |
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| Keywords: | ultrasound benzyl acetate esterification kinetics acetic benzyl alcohol concentrated sulfuric acid |
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