ME/Fenton/AF/BAF工艺处理炼油废水研究

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第36卷期数: 2020年第7期页码: 89-92 栏目: 出版日期: 2020-04-01

Title:: Treatment of Refinery Wastewater by Microelectrolysis/Fenton/Anaerobic Biological Filter/Aerobic Biological Filter Process

作者:: 杨瑞洪^1,2，钱琛¹，单丹¹，马振雄¹

关键词:: 炼油废水; 微电解; Fenton工艺; 厌氧/好氧生物滤池

Keywords:: refinery wastewater; micro-electrolysis (ME); Fenton process; anaerobic biological filter/aerobic biological filter

摘要:: 采用微电解/芬顿/厌氧/好氧生物滤池工艺（ME/Fenton/AF/BAF）处理炼油废水，探讨了各工段的工艺参数及工艺整体运行效果。试验得到最佳工艺参数如下：微电解单元的初始pH值为3，Na₂SO₄投加量为0.05 mol/L；双氧水的投加量为1.5 mL/L；AF/BAF工段的水力停留时间为(2+2) h。在上述工艺条件下，ME/Fenton/AF/BAF工艺连续运行处理炼油废水时对COD、氨氮、油的平均去除率分别为85.2%、85.0%、90.1%。

Abstract:: Refinery wastewater was treated by a combined process of microelectrolysis/Fenton/anaerobic biological filter/aerobic biological filter,and operational parameters of each section and the treatment effect of the whole process were discussed. The optimal operational parameters were as follows: initial influent pH of the microelectrolysis unit of 3, Na₂SO₄ dosage of 0.05 mol/L, hydrogen peroxide dosage of 1.5 mL/L and hydraulic retention time of AF/BAF section of (2+2) hours. With the above operational parameters, the average removal rates of COD, ammonia nitrogen and oil in the refinery wastewater by the combined process were 85.2%, 85.0% and 90.1%, respectively.

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更新日期/Last Update: 2020-04-01