柠檬酸螯合Fe(Ⅲ)活化过硫酸盐降解活性艳红X-3B

doi:10.11894/1005-829x.2018.38(1).048

工业水处理 ›› 2018, Vol. 38 ›› Issue (1): 48-51. doi: 10.11894/1005-829x.2018.38(1).048

柠檬酸螯合Fe(Ⅲ)活化过硫酸盐降解活性艳红X-3B

张楠^1,2, 李建民¹, 汪应灵³

1. 河南科技学院资环与环境学院, 河南新乡 453003;
2. 河南科技学院新乡市农作物重大有害生物防控重点实验室, 河南新乡 453003;
3. 新乡医学院基础医学院, 河南新乡 453003

收稿日期:2017-10-10 出版日期:2018-01-20 发布日期:2018-02-12
通讯作者: 李建民,硕士,实验师。电话:13462262719。E-mail:275833486@qq.com。 E-mail:275833486@qq.com
作者简介:张楠(1983-),博士,讲师。电话:15837370234。E-mail:29164616@qq.com。
基金资助:
河南省科技攻关项目（172102310615，162102110018）

Research on the degradation of reactive brilliant red X-3B by citric acid chelated with Fe(Ⅲ)

Zhang Nan^1,2, Li Jianmin¹, Wang Yingling³

1. College of Resource and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China;
2. Key Laboratory for Crops Pest Management of Xinxiang, Henan Institute of Science and Technology, Xinxiang 453003, China;
3. School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang 453003, China

Received:2017-10-10 Online:2018-01-20 Published:2018-02-12

摘要/Abstract

摘要： 文章研究了柠檬酸螯合Fe（Ⅲ）活化过硫酸盐体系对水中活性艳红X-3B的降解效果。考察了过硫酸盐浓度、Fe（Ⅲ）/柠檬酸（CA）、pH及阴离子（NO₃^-、NO₂^-、HCO₃^-、Cl^-）对X-3B降解效果的影响，并研究体系中产生自由基的贡献率。结果表明，过硫酸盐浓度为0.2 mmol/L时，X-3B降解率最大；X-3B的降解率随Fe（Ⅲ）/CA增大而增大；pH的增大不利于X-3B的降解；无机阴离子的加入抑制X-3B的降解。·OH和SO4 ·－在光解过程中的贡献率分别为58%和31%。

关键词: 过硫酸钠, 柠檬酸, Fe (Ⅲ), 螯合作用

Abstract: The degradation effect of citric acid chelated Fe(Ⅲ) activated persulfate system on reaction brilliant red X-3B has been researched. The effects of the concentration of persulfate, ratio of Fe(Ⅲ)/citric acid(CA), pH and anions(NO₃^-、NO₂^-、HCO₃^-、Cl^-) on X-3B degradation have been investigated, and the contribution rate of free radicals produced in the system has been studied. The results show that when the concentration of persulfate is 0.2 mmol/L, the degradation rate of X-3B is the highest. The degradation rate of X-3B increases with the increase of ratio of Fe(Ⅲ)/CA. The increase of pH is not advantageous to the degradation of X-3B. The addition of inorganic anions inhibits the degradation of X-3B. The contribution rates of·OH and SO₄^·- in the process of photolysis are 58% and 31%, respectively.

Key words: sodium persulfate, citric acid, Ferric ion, chelation

中图分类号:

X703.1

张楠, 李建民, 汪应灵. 柠檬酸螯合Fe(Ⅲ)活化过硫酸盐降解活性艳红X-3B[J]. 工业水处理, 2018, 38(1): 48-51.

Zhang Nan, Li Jianmin, Wang Yingling. Research on the degradation of reactive brilliant red X-3B by citric acid chelated with Fe(Ⅲ)[J]. INDUSTRIAL WATER TREATMENT, 2018, 38(1): 48-51.

https://www.iwt.cn/CN/Y2018/V38/I1/48

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