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高氨氮废水的半硝化工艺影响因素

Keywords: 半硝化工艺,影响因素,污泥脱滤液,高浓度氨氮

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Abstract:

采用泳动床反应器对含高浓度氨氮的污泥脱滤液进行了半硝化反应影响因素研究。实验结果表明,半硝化工艺可以在较高负荷条件下运行,其出水NO-2-N/NH+4-N比例稳定在1.1±0.05∶1,基本满足了厌氧氨氧化工艺的进水要求。此外,温度和溶解氧对工艺运行具有重要影响,控制适宜无机碳含量与NH+4-N比值、碱度与氨氮比值有利于半硝化工艺的进行。

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