摘要
概述了SBR工艺中的反硝化除磷现象,讨论了SBR反硝化除磷工艺中pH值、碳源、聚磷菌与非聚磷菌竞争、污泥龄等影响因素。采用厌氧、缺氧SBR反应器研究了厌氧段和缺氧段pH值变化对以硝酸盐作为电子受体的反硝化除磷过程的影响。结果表明,当厌氧段pH=8.0、缺氧段pH=7.0±0.1时,脱氮除磷效果最好。
The paper offers an outline of denitrifying dephosphatation process with nitrate as electron acceptor was studied by adopting sequencing batchreactor (SBR) and discusses pH value, carbon source, competition between PAOs and nonPAOs,SRT. The paper presents a study of the effect of pH value variation in anaerobic and anoxic phase on denitrifying phosphorus removal by using nitrate as the electron acceptor. The results show that the highest phosphorus and nitrogen removal efficiency is achieved when pH value in anoxic phase is kept at 7.0±0.1, and pH=8.0 in anaerobic phase.
出处
《黑龙江科技学院学报》
CAS
2004年第5期284-286,共3页
Journal of Heilongjiang Institute of Science and Technology
基金
国家高科技研发863计划项目(2002AA601310)
关键词
PH值
反硝化除磷
脱氮
厌氧
缺氧
pH value
denitrifying phosphorus removal
denitrification
anaerobic
anoxic
