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Fenton法预氧化难降解农药废水的研究 被引量:1

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摘要 针对难生物降解的高浓度农药废水,采用Fenton法进行预氧化处理,以提升后续生物处理的效果。通过正交试验筛选对有机污染物去除效果显著的影响因素,分析了H_2O_2和Fe^(2+)投加量和比例对有机污染物的去除影响,并进行了实验参数优化和反应动力学拟合。20℃时,当Fe^(2+)投量为4 mmol/L,H_2O_2与Fe^(2+)物质的量比为70:1时,氧化90 min后,出水中COD和DOC的去除率分别为39.8%和45.7%。当系统升温至70℃时,氧化20 min后,COD和DOC的去除率分别可达到67.4%和66.4%。
出处 《科技风》 2018年第2期106-107,共2页
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