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(AO)2SBR同步脱氮除磷的研究

Keywords: SBR,DO,SRT,脱氮除磷,人工配水

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Abstract:

以人工配水为研究对象,采用厌氧/好氧/缺氧/好氧交替运行的序批式反应器,研究了(AO)2SBR系统同步脱氮除磷的效果,并结合批式实验讨论了同步脱氮除磷的反应机理。研究结果表明,该系统以厌氧1.5h、好氧1h、缺氧3h、好氧0.5h的方式运行,在DO=2.5mg/L,SRT=15d的条件下,具有良好的脱氮除磷效果,配水中的总氮、总磷、COD和总有机碳的去除率分别为96.26%、99.87%、90.46%和85.57%。批式实验表明,合成的内碳源越多,氨氮的硝化越充分,反硝化除磷越多。

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