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利用竹球作为曝气生物滤池填料处理高浓度含氮海水的实验研究

Keywords: 竹球载体填料,曝气生物滤池,硝化效率

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Abstract:

载体填料是影响生物滤池效率的重要因素之一。采用以竹球为填料的曝气生物滤池方法处理高浓度含氮养殖废水(利用人工配制的高浓度含氮海水)。结果表明,在滤速为0.5 ̄2.5m·h~(-1)、温度为18 ̄28℃,气水比为1∶1的条件下,生物滤池对氨氮的去除率在70%以上,出水水质完全符合海水养殖水质要求,在此条件下生物滤池最佳水力停留时间为1h;在滤速为1m·h~(-1)、气水比1∶1的工况下,生物滤池的最佳填料高度为60cm。竹球作为曝气生物滤池填料处理高浓度含氮海水具有较好的生产应用价值。

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