Study on Further Treatment of Coal Coking Wastewater by Ultrasound Wave, Fenton's Reagent and Coagulation

2009 International Conference on Energy and Environment Technology Pub Date : 2009-10-16 DOI:10.1109/ICEET.2009.425

Jun Shi, Liangbo Zhang

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Abstract

The study on further treatment of coal coking wastewater by ultrasound wave, Fenton's reagent and coagulation was carried out in this paper at the first time, Furthermore, this paper discussed the optimum cooperative reaction condition of their combined application and the influence trend of COD by the single factor. The results showed that the removal rates of COD had optimum values with the variation of concentration of ferrous sulfate, the frequency of ultrasound, the concentration of FeCl3, PAM and H2O2, these optimum value were 68.3%, 68.5%, 68.7%, 67.5%, respectively. As a result, it indicated that the best reaction conditions were C¿Fe2+¿=40mg/L, C (H2O2) =55mg/L, C (FeCl3) =5.4mg/L, C (PAM)=1.2mg/L, and the frequency of ultrasound wave was 34.19kHz, Under the reaction conditions, the removal efficiency of COD reached 77.7%. The influence sequence of the COD removal efficiency by the single factor was Fe2+≫ H2O2≫PAM≫the frequency of ultrasound wave ≫ FeCl3. This experimental result provides important reference foundation based on the choice of the treatment scheme of coal coking wastewater.

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超声波、Fenton试剂及混凝法深度处理焦化废水的研究

本文首次进行了超声波、Fenton试剂和混凝对焦化废水的深度处理研究，并探讨了三者联合应用的最佳协同反应条件和单因素对COD的影响趋势。结果表明，COD去除率随硫酸亚铁浓度、超声频率、FeCl3、PAM和H2O2浓度的变化均有最佳值，分别为68.3%、68.5%、68.7%和67.5%。结果表明，最佳反应条件为C¿Fe2+¿=40mg/L, C (H2O2) =55mg/L, C (FeCl3) =5.4mg/L, C (PAM)=1.2mg/L，超声波频率为34.19kHz，在该反应条件下，COD去除率达到77.7%。单因素对COD去除率的影响顺序为:Fe2+ > H2O2 > PAM >超声波频率> FeCl3。该实验结果为焦化废水处理方案的选择提供了重要的参考依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2009 International Conference on Energy and Environment Technology

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