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同时硝化/反硝化除磷工艺稳定性控制研究 被引量:10

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摘要 在厌氧/限氧曝气的序批式活性污泥反应器(A/OLASBR)中,模拟低碳源城市污水,考察了同时硝化/反硝化除磷(SNDPR)过程中COD、PHB、TP、TN和电化学参数等的变化规律。结果表明,TP和TN去除率达到93.7%和79%,厌氧段PHB与COD降解和磷释放的相关系数分别为0.995 7和0.998 7,ORP和pH曲线上分别出现了谷点;限氧曝气段,PHB降解与TP和TN降解呈正相关,其相关系数为0.965和0.938,ORP曲线呈现平台,pH曲线上出现折点。因此,PHB作为SNDPR过程的碳源驱动力,其转化情况控制着SNDPR的稳定性,而ORP和pH曲线上"谷点"预示厌氧释磷结束,pH曲线的"折点"能指示反硝化除磷结束,同时也预示SNDPR的结束。
出处 《给水排水》 CSCD 北大核心 2014年第11期132-135,共4页 Water & Wastewater Engineering
基金 国家自然科学基金(21207023) 广东省自然科学基金(S2012010009752) 广东省科技计划项目(1211051900001)
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参考文献9

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二级参考文献27

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