草酸二乙酯水解宏观动力学研究  

STUDIES ON HYDROLYSIS MACROSCOPIC KINETICS OF DIETHYL OXALATE INTO OXALIC ACID

作　　者：徐艳[1] 吴英远[1] 张毅民[1] 许根慧[1] 

机构地区：[1]天津大学化工学院碳一国家重点实验室,天津300072

出　　处：《化学反应工程与工艺》2000年第3期216-220,227,共6页Chemical Reaction Engineering and Technology

基　　金：国家"九五"科技攻关项目! (96- 539- 0 1 )

摘　　要：在 65～ 80℃对草酸二乙酯水解生成草酸的反应宏观动力学进行了研究 ,得到的草酸二乙酯水解反应速率方程可表示为r C=dccdt=kc0 .5A c1 c- kc1 .5Ck=2 .1 1 7× 1 0 5exp(- 3.479× 1 0 4 /RT)　　　　 k=5.2 73× 1 0 2 exp(- 1 .398× 1 0 4 /RT)并用实验数据对模型进行了检验。The macroscopic reaction kinetics for hydrolysis of the diethyl oxalate into the oxalic acid at the temperature of 65~80℃ had been investigated experimentally. The reaction rate equation was proposed as follows: r C = d c C d t=c 0.5 A c 1 C -c 1.5 C in which =2.117×10 5 exp (-3.479×10 4/RT), and =5.273×10 2 exp (-1.398×10 4/RT) The proposed model equation was verified with the comparisions of calculated results to experimental data with the excellent agreement. [WT5HZ]

关 键 词：草酸二乙酯 草酸 水解 宏观动力学 速率方程 

分 类 号：TQ225.142[化学工程—有机化工]