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厌氧-好氧接触氧化处理汽车脱脂废水研究

Keywords: 汽车脱脂废水,汽车涂装废水,厌氧-好氧工艺,十二烷基苯磺酸钠

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Abstract:

采用厌氧UASB-好氧接触氧化工艺对汽车脱脂废水进行连续处理实验研究。结果表明,在脱脂废水进水COD浓度为6000mg/L,厌氧水力停留时间为3.4d,好氧水力停留时间为2.5d条件下,COD总去除率平均为93%,厌氧段平均值为38%。厌氧段可以提高出水的可生化性,厌氧-好氧接触氧化工艺效果要明显优于好氧工艺。

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