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Abstract:
一种无外加碳源实现低碳氮比城市污水同步脱氮除磷的装置和方法,属于污水生物处理领域。将城市污水抽入到厌氧/好氧/缺氧SBR反应器内,厌氧搅拌120~240min后进行曝气搅拌;厌氧/好氧/缺氧SBR反应器内DO浓度为0.5~1mg/L,曝气搅拌阶段在线监测反应器内pH值变化曲线,当pH值变化至最低点出现后及时停止曝气,再进行缺氧搅拌;缺氧搅拌阶段在线监测反应器内pH值变化曲线,当pH值变化至最高点出现后停止缺氧搅拌;沉淀排水,排水比为0.2~0.4。厌氧/好氧/缺氧SBR反应器运行时需排泥,使污泥浓度维持在2000~4000mg/L范围内。该方法实现低碳氮比城市污水在无外加碳源条件下的同步脱氮除磷,节省了氧耗、能耗,降低了城市污水处理费用,且提高了脱氮除磷效率。
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Patent Info :
Type: 发明授权
Patent No.: CN201510351107.5
Filing Date: 2015-06-23
Publication Date: 2017-05-31
Pub. No.: CN104944704B
Applicants: 北京工业大学
Legal Status: 授权 ; 许可
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 4
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