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活性污泥法为什么需要回流
更新时间: 2020-08-17 00:00:00  

活性污泥法是依靠生物污泥对BOD的去除的,进水所带生物量有限,因为其流入后续工业是混合液,如果不回流,酸化池中的污泥没多久就会跑光,利用自曝气池内污泥回流带进部分溶解氧,会增加水解酸化的去除效果,回流是为了把中间层的污泥重新利用,达到充分降解。

关键词: 活性 污泥 为什么 需要 回流

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