三维电极反应器耦合Fenton试剂深度处理焦化废水

2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI:10.1109/ICMREE.2013.6893756

Lei Zhang, Pu Liu, Lina Wang, Nan Zhang, Aimin Duan, Xia Liu

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引用次数: 1

摘要

采用三维电极反应器结合Fenton试剂对二级生物处理焦化废水进行深度处理。考察了几种关键因素对TOC去除率的影响，并研究了三维电极反应器在一定运行参数下焦化废水的动力学。正交试验结果表明，最佳工艺条件为H2O2投加量300mg/L，初始pH 3.4，反应时间90min, FeSO4·7H2O投加量3.5mmol/L。在此条件下，TOC去除率可达61.7%。研究发现，焦化废水的降解遵循准一级反应动力学模型。该系统对焦化废水具有较好的降解效果，为三维电极-反应器耦合Fenton试剂法深度处理焦化废水在工程上的应用提供了理论指导。

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Advanced treatment of coking wastewater using three-dimensional electrode reactor coupling Fenton's reagent

A three-dimensional electrode reactor combined with Fenton's reagent was used for advanced treatment of coking wastewater from secondary biological treatment. Effects of some key factors on TOC removal rate were investigated and kinetics of coking wastewater was also studied under certain the operating parameters of the three-dimensional electrode reactor. The orthogonal test results showed that the optimal operating conditions were as follows: H2O2 dosage 300mg/L, initial pH 3.4, reaction time 90min and FeSO4·7H2O dosage 3.5mmol/L. TOC removal rate could reach 61.7% under the optimal conditions. It was found that coking wastewater degradation followed a pseudo-first-order reaction kinetic model. Coking wastewater were well degraded by this system, which provided a theoretical guidance for advanced treatment of coking wastewater by three-dimensional electrode reactor coupling Fenton's reagent process in engineering application.

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2013 International Conference on Materials for Renewable Energy and Environment

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