Cr_2O_7~(2-)/Cr~(3+)间接氧化环己醇合成己二酸

doi:10.61558/2993-074X.1860

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (1): 40-45. doi: 10.61558/2993-074X.1860

Cr_2O_7~(2-)/Cr~(3+)间接氧化环己醇合成己二酸

梁镇海;崔玉青;孙红艳;

太原理工大学洁净化工研究所,太原理工大学洁净化工研究所,太原理工大学洁净化工研究所山西太原030024,山西太原030024,山西太原030024

收稿日期:2008-02-28 修回日期:2008-02-28 发布日期:2008-02-28 出版日期:2008-02-28

Synthesis of Adipic Acid from Cyclohexanol by Electrochemical Oxidation Using Cr_2O_7~(2-)/Cr~(3+) as Indirect Oxidant

LIANG Zhen-hai,CUI Yu-qing,SUN Hong-yan

(Institute of Clean Technique for Chemical Engineering of Taiyuan University of Technology,Taiyuan 030024,Shanxi,China

Received:2008-02-28 Revised:2008-02-28 Online:2008-02-28 Published:2008-02-28

摘要/Abstract

摘要： 以Cr2O72-/Cr3+作为间接氧化剂电氧化环己醇制备己二酸.应用正交实验优化工艺条件,得出在原料比n(环己醇)∶n(Cr2O72-)=0.4∶1,t=35℃和CH2SO4=5mol.L-1条件下己二酸的收率可达70.29%.同时研究了Ag2SO4、(NH4)2SO4、H2SO4浓度、电流密度对Cr3+电氧化为Cr2O72-的影响,Cr3+的转化率可达82.52%.

关键词: 间接电氧化, 环己醇, 己二酸, Cr2O72-/Cr3+

Abstract: Adipic acid was synthesized by electro-oxidation of cyclohexanol taking Cr2O72-/Cr3+ as indirect oxidant.The best technological conditions were optimized by orthogonal experiment.The optimum condition are as follows: the temperature is 35℃,ratio of crude material is n(cyclohexanol)∶n(Cr2O72-)=0.4∶1 and concentration of H2SO4 is 4 mol·L-1.Under these conditions,the yield of adipic acid can reach 70.29%.Moreover,The effects of concentration of Ag2SO4,(NH4)2SO4,H2SO4and current density on the formation of Cr2O72-were also explored.The rate of Cr3+ conversion can reach 82.52%.

Key words: indirect electro-oxidation, cyclohexanol, adipic acid, Cr2O72-/Cr3+

中图分类号:

O624.3

梁镇海, 崔玉青, 孙红艳, . Cr_2O_7~(2-)/Cr~(3+)间接氧化环己醇合成己二酸[J]. 电化学（中英文）, 2008, 14(1): 40-45.

LIANG Zhen-hai, CUI Yu-qing, SUN Hong-yan. Synthesis of Adipic Acid from Cyclohexanol by Electrochemical Oxidation Using Cr_2O_7~(2-)/Cr~(3+) as Indirect Oxidant[J]. Journal of Electrochemistry, 2008, 14(1): 40-45.

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https://electrochem.xmu.edu.cn/CN/Y2008/V14/I1/40

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Cr_2O_7~(2-)/Cr~(3+)间接氧化环己醇合成己二酸

Synthesis of Adipic Acid from Cyclohexanol by Electrochemical Oxidation Using Cr_2O_7~(2-)/Cr~(3+) as Indirect Oxidant

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