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曝气强度对AOA膜生物反应器脱氮除磷性能的影响

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2011-10-15

Journal: 环境科学

Included Journals: CSCD、ISTIC、PKU、Scopus

Volume: 32

Issue: 10

Page Number: 2979-2985

ISSN: 0250-3301

Key Words: 膜生物反应器;曝气强度;脱氮除磷;反硝化除磷;污水处理

Abstract: 考察了曝气强度为2.5、3.75和5.0 m3.(m2.h)-1条件下,厌氧/好氧/缺氧序批式膜生物反应器(AOA MBR)对模拟生活污水同时脱氮除磷性能的影响.结果表明,曝气强度对AOA MBR中COD的去除无显著影响,去除效率均在90%以上.氨氮的去除效果随着曝气强度的增加而提高,3个曝气强度下的平均去除率分别为84.7%、90.6%和93.8%.TN的去除率随着曝气强度的增加呈现先上升后下降的趋势,3种条件下分别为83.4%、87.4%和80.6%.系统的反硝化除磷性能亦受曝气强度影响,3个曝气强度下系统中反硝化除磷的比例分别为20%、30.2%和26.7%.

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