双媒质(H_2O_2/O_2,VO_((acac)_2)OOH/VO_((acac)_2)) 间接电合成环氧丁二酸  

Indirect Electro-synthesis 2,3-epoxysuccinic Acid by Bi-mediums (H_2O_2/O_2,VO_((acac)_2)OOH/VO_((acac)_2))

作　　者：刘欣[1] 王瑞芝[1] 顾登平[1] 张星辰[2] 张元静[2] 胡瑞省[1] 

机构地区：[1]河北师范大学化学学院,河北石家庄050016 [2]石家庄学院化学系,河北石家庄050801

出　　处：《河北师范大学学报（自然科学版）》2004年第6期596-598,共3页Journal of Hebei Normal University：Natural Science

摘　　要：用H2O2/O2,VO(acac)2OOH/VO(acac)2作氧化还原媒质电合成环氧丁二酸,研究了pH、电流密度、媒质的初始浓度及温度对电合成环氧丁二酸电流效率的影响,其最佳工艺条件是:电流密度1mA/cm2,pH=7,温度30～50℃,VO(acac)2OOH/VO(acac)2的初始浓度0.5mmol/L.在此条件下平均电流效率为61%.The experiment study electro-organic synthesis of 2,3-epoxysuccinic acid by bi-mediums of oxidating-reducing H_2O_2/O_2,VO_((acac)_2)OOH/VO_((acac)_2) and study the effect of the pH,electrolysis temperation current density,concentration of mediums,temperature on the current efficiency.The optimum productive condition,that is pH=7,temperature 30～50℃,current density 1mA/cm^2.The average current efficiency was 61%.

关 键 词：丁二酸 环氧 间接电合成 媒质 H2O2 最佳工艺条件 电流密度 VO 平均电流 电流效率 

分 类 号：TQ225[化学工程—有机化工] TN919.81[电子电信—通信与信息系统]