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Author:

郝坤 (郝坤.) | 高春娣 (高春娣.) | 武联菊 (武联菊.) | 王丽 (王丽.)

Abstract:

采用实际生活污水,研究了低溶解氧丝状菌污泥微膨胀在A/O系统中的启动、维持及状态可控性,并考察了该过程中系统对污染物的去除效果。结果表明,在正常负荷(F/M=0.24kgCOD/(kgMLSS·d))下,当DO=0.3~0.4mg/L时,系统SVI可以稳定在150~300ml/g之间,丝状菌污泥微膨胀状态可长期稳定维持,并具有高度的可控性。与高溶解氧条件下相比,污泥微膨胀期间,COD和总氮去除率有所升高,分别为85%和69%,氨氮基本完全硝化。由于丝状菌网捕作用,出水SS明显减少,且随着SVI的升高降低,当SVI>240ml/g后,SS基本检测不出。A/O系统实现并维持低溶解氧丝状菌微膨胀期间...

Keyword:

曝气能耗 状态可控性 丝状菌污泥微膨胀 低溶解氧

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院

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Source :

Year: 2010

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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