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硅藻土酸洗液-H2O2(Fenton)去除垃圾渗滤液色度及COD

Keywords: 硅藻土酸洗液,垃圾渗滤液,Fenton氧化

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Abstract:

垃圾渗滤液由于色度高、可生化性差,有时候需采用高级氧化技术(如Fenton法)处理。利用硅藻土酸洗改性产生的酸洗废水与30%H2O2制成Fenton试剂处理初始色度为800倍,COD浓度为810.4mg/L的垃圾渗滤液。结果表明,当酸洗液与30%H2O2的体积比为6∶4,pH值为3.0,有紫外光照和搅拌的条件下,色度和COD的去除效率最好,分别达到了96.25%和74.14%;且产生的污泥量(干重)最少。

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