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红斑体虫的污泥减量效果

Keywords: 污泥减量,红斑顠体虫,生物捕食

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Abstract:

为了实现红斑顠体虫捕食污泥减量化,对不同条件下红斑顠体虫的污泥减量效果进行实验研究。实验结果表明:红斑顠体虫的污泥减量速率随初始MLSS及温度的增大而增大,初始MLSS越高,污泥减量速率越大。污泥减量速率随红斑顠体虫密度变化率的增大而逐渐增大,当红斑顠体虫的密度增长率出现下降时,污泥减量速率也呈下降趋势。采用间歇曝气(12h曝气,12h停曝)方式,红斑顠体虫的污泥减量速率会显著下降。在污泥好氧消化时,红斑顠体虫能捕食污泥中的有机碎片和细菌,达到污泥稳定化的指标要求。

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