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SBR处理模拟氯苯废水

Keywords: 光合细菌,SBR,污泥颗粒,模拟氯苯废水

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Abstract:

在SBR中利用光合细菌球形红细菌污泥颗粒进行模拟氯苯废水处理的初步研究,结果表明,采用球形红细菌污泥颗粒处理模拟氯苯废水的SBR系统是可行的,其降解氯苯过程符合Monod一级反应动力学方程。当进水氯苯浓度在125~187.5mg/L变化时,处理效率都能稳定在90.5%~95.6%之间;其最佳工艺条件为反应时间6h、DO4.75~5.0mg/L、沉淀时间1.5h、污泥颗粒浓度4000~6000mg/L。在污泥颗粒浓度4000mg/L、DO5.0mg/L、反应时间6h的最佳条件下,当进水COD为748.1mg/L、氯苯浓度100mg/L时,COD的去除率达90.9%,处理后出水COD满足国家一级排放标准要求。

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