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膜生物反应器中污泥膨胀对脱氮除磷的影响 被引量:1

Effect of Sludge Swelling on Nitrogen and Phosphorus Removal in Membrane Bioreactor
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摘要 膜生物反应器以其膜取代了常规活性污泥法中的二沉池的突出优点迅速成为污水处理的新的发展方向。试验研究了污泥膨胀时,膜生物反应器对脱氮除磷的影响。分别对比了在正常情况下和污泥膨胀时,膜生物反应器对CODCr、氨氮、TN、TP的去除率。试验结果表明:发生污泥膨胀后,对CODCr的去除率达到96.51%有所提高,对氨氮、TN、TP的去除率分别为75.9%、39.8%、19.7%均有不同程度的下降。 Membrane bioreactor takes obvious advantages, which membrane replaces the 2 rdsedimentation tank of the conventional activated sludge process, quickly becomes the new sewage treatment direction. The effect of Sludge swelling on nitrogen and phosphorus removal in Membrane bioreactor was studied, the membrane bioreactor removal rate of CODCr, NH3 - N, TN, TP under normal circumstances and Sludge swelling was compared. The results showed that: after sludge swelling, the removal rate of CODCr reached 96.51%, which increased a little; the removal rate of NH3 - N,TN,TP were 75.9% ,39. 8% ,19.7%, which declined different levels.
出处 《辽宁化工》 CAS 2008年第8期547-549,556,共4页 Liaoning Chemical Industry
关键词 膜生物反应器(MBR) 污泥膨胀 脱氮除磷 Membrane bioreactor Sludge swelling Nitrogen and phosphorus removeing
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