摘要
以模拟生活污水为研究对象,采用双污泥SBR反应器进行反硝化除磷效果的试验研究。研究结果表明,在初始情况相同情况下,乙酸钠是更利于反硝化除磷系统利用的碳源,总磷的去除率为92.8%;进水COD浓度为150 mg/L时,缺氧吸磷的效果最好,磷去除率达到92%,整个过程运行稳定。
The test used simulated domestic wastewater as the research object,and adopted two-sludge SBR reactor to make a study of denitrifying phosphorus removal. The results show that,in the same initial condition,sodium acetate is a carbon source which is better for the use of denitrifying phosphorus removal system,and the removal rate of total phosphorus is 92. 8%. When the influent COD of 150 mg/L,the effect of hypoxia was the best,the removal rate of phosphorus was 92%,and the whole process was stable.
引文
[1]李亚静,孙力平,郑淑平.碳源浓度和污泥龄对反硝化聚磷脱氮影响研究[J].环境科学与技术,2008,31(5):112-115.
[2]杨勇光.碳源种类对反硝化除磷系统的影响及反硝化聚磷菌(DPB)的分离[D].重庆:重庆大学,2010.
[3]王亚宜,彭永臻,殷芳芳,等.双污泥SBR工艺反硝化除磷脱氮特性及影响因素[J].环境科学,2008,29(6):1526-1532.
[4]李勇智,李安安,彭永臻.A2N-SBR双污泥反硝化生物除磷系统效能分析[J].北京工商大学学报,2007,25(1):10-14.
[5]李辉,吕斌,朱艳梅.反硝化除磷机理及其工艺影响因素研究进展[J].能源与环境,2009(5):55-57.
[6]郑燕清,周建华.除磷工艺中厌氧释磷和好氧吸磷的影响因素[J].中国市政工程,2007(1):48-50.
[7]杨敏,卢龙,冯涌,等.不同碳源对EBPR启动期聚磷菌的影响研究[J].环境工程,2013,31(1):39-42.
[8]李博晓.反硝化除磷系统中聚磷菌菌群功能与群落分布研究[D].北京:北京工业大学,2013.
[9]高永青,张晶宇,彭永臻,等.p H值对剩余污泥水解酸化溶出物的影响[J].北京工业大学学报,2011(1):139-145.