稀土工业废水的综合治理研究

Inner Mongolia Petrochemical Industry(2012)

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Abstract
针对稀土冶炼废水中氨氮污染物浓度高的特点,采用化学沉淀法对氨氮废水进行实验研究。当控制相应影响因素,经化学沉淀,废水中氨氮浓度由原来的7.216g/L,可降至8.7×10-2g/L。化学沉淀去除率为98.79%,为进一步研究降低氨氮浓度创造了条件。另外,经沉淀法产生的沉淀MgNH4PO4.6H2O,可回收利用,应用在化肥、涂料等领域。
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