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温度对环形推流反应器处理效果的影响

Keywords: 环形推流反应器,温度,脱氢酶活性

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Abstract:

针对课题组自主研发的环形推流反应器,采用校园学生宿舍生活污水作为原水,研究了持续稳定运行的条件下,反应器在夏季(高温)和冬季(低温)时对污染物的去除效果。结果表明,实验条件下,与夏季相比低温段系统COD、TN、NH3-N和TP的去除率分别降低了1.39%、7.40%、4.91%和4.78%。系统活性污泥的脱氢酶活性随着温度的下降也有降低,低温时好氧区、厌氧区和缺氧区的平均DHA分别是高温时的62%、82%和73%,反应器污染物去除效果与活性污泥脱氢酶活性具有一定相关性。

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