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电化学(中英文) ›› 2009, Vol. 15 ›› Issue (4): 458-461.  doi: 10.61558/2993-074X.2025

• 研究论文 • 上一篇    下一篇

以Pb-(BrO_3~-/Br~-)为媒介间接电氧化合成双醛淀粉

陈妮娜;陈日耀;郑曦;陈晓;陈震;   

  1. 漳州城市职业学院;福建师范大学化学与材料学院;
  • 收稿日期:2009-11-28 修回日期:2009-11-28 出版日期:2009-11-28 发布日期:2009-11-28

Indirect Electrosynthesis of Double Aldehyde Starch Using Pb-(BrO_3~-/Br~-) as Electro-catalytic Mediator

CHEN Ni-na1,CHEN Ri-yao2,ZHENG Xi2,CHEN Xiao2,CHEN Zhen2*   

  1. (1.Zhangzhou City University,Zhangzhou 363000,Fujian,China;2.College of Chemistry and Materials Science,Fujian Normal University,Fuzhou 350007,Fujian,China
  • Received:2009-11-28 Revised:2009-11-28 Published:2009-11-28 Online:2009-11-28

摘要: 应用间接氧化法,以Pb为阳极,BrO3-/Br-为氧化媒介,电氧化淀粉制备双醛淀粉.研究了温度、硫酸与淀粉浓度对电合成过程的影响.在35℃,阳极液WNaBr=2%,CH2SO4=0.05 mol/L,W淀粉=10%,电流密度15 mA/cm2的实验条件下,电流效率为50%.

关键词: BrO3-/Br-, 电合成, 双醛淀粉

Abstract: In this paper,Nafion membrane was used as the separator in the electrolysis cell to indirectly electro-generating the double aldehyde starch(DAS) with BrO-3/Br-as a redox mediator and Pb as an anode.Effects of temperature,concentration of sulfuric acid and starch on the electro-oxidation of DAS were discussed.The steady state polarization curves were obtained.The experiment results showed that the current efficiency was over 50% when the electrolysis current density was 15mA/ cm2.

Key words: BrO-3/Br-, electrosynthesis, dialdehyde starch

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