Effects of inorganic ions on treatment of aniline wastewater by electro-Fenton method

doi:10.11894/iwt.2019-1012

Abstract

Abstract:

Effects of different inorganic ions on the treatment of aniline wastewater by coupling electro-Fenton in threedimensional electrode system were investigated. The results showed that the proper concentration of Fe³⁺ could promote the degradation of aniline, while Mn²⁺, S^2-, CO₃^2-, H₂PO₄^- and Cl^- could inhibit the degradation of aniline. However, the effect of NO₃^- on the degradation of aniline was not obvious. According to the influence degree of different inorganic ions on the Fenton method, the corresponding pretreatment measures could be taken to ensure the treatment effect of aniline wastewater in practical engineering.

Key words: three-dimensional electrode, Fenton oxidation, aniline wastewater, inorganic ion

摘要：

通过实验考察了不同无机离子对三维电极体系耦合电-Fenton法处理苯胺废水效果的影响。实验发现适当浓度的Fe³⁺可促进苯胺的降解，Mn²⁺、S^2-、CO₃^2-、H₂PO₄^-、Cl^-则在一定程度上抑制了苯胺降解。NO₃^-对降解苯胺的影响并不明显。实际工程中，可根据不同无机离子对Fenton法影响程度，采取相应的预处理措施，保证苯胺废水处理效果。

关键词: 三维电极, Fenton氧化, 苯胺废水, 无机离子

CLC Number:

X703

Ziyi Zhang,Yafeng Li,Xiaomingzi Yu. Effects of inorganic ions on treatment of aniline wastewater by electro-Fenton method[J]. Industrial Water Treatment, 2020, 40(7): 33-36.

张子一,李亚峰,于晓明子. 无机离子对电Fenton法处理苯胺废水的影响探究[J]. 工业水处理, 2020, 40(7): 33-36.

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URL: https://www.iwt.cn/EN/10.11894/iwt.2019-1012

https://www.iwt.cn/EN/Y2020/V40/I7/33

Figures/Tables 2

References 15

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