摘要
采用A^2/O工艺处理某城市工业园区污水,研究该工艺对COD、TN、NH3-N、TP的去除效果,并考察污泥回流比和污泥龄对系统处理效果的影响。研究表明,当污泥回流比在70%,污泥龄在15 d时,水中有机污染物去除效果最佳,其COD的平均去除率分别为74.13%与90.03%、TN的平均去除率分别为74.13%与77.69%、 NH3-N的平均去除率分别为90.52%与91.29%、 TP的平均去除率分别为85.95%与82.03%。
In this experiment, A^2/O process was used to treat sewage from a city industrial park. The removal effect of this process on COD, TN, NH3-N and TP was studied, and the influence of sludge reflux ratio and sludge age on the sys. tem treatment effect was investigated. The results show that when the sludge reflux ratio is 70% and the sludge age is 15 d, the removal efficiency of organic pollutants in water is the best. The average removal rate of COD was 74.13% and 90.03%, respectively. The average removal rates of TN were 74.13% and 77.69%, respectively. The average removal rates of NH3-N and TP were 90.52% and 91.29% and 85.95 % and 82.03%, respectively.
作者
张明明
李静
李一兵
ZHANG Mingming;LI Jing;LI Yibing(School of Civil Engineering and Transportation,Hebei University of Technology,Tianjin 300401,China)
出处
《河北工业大学学报》
CAS
2019年第2期86-89,共4页
Journal of Hebei University of Technology
基金
河北省教育厅青年基金项目(QN2014081)
河北省建设科技研究计划项目(2014-236)
河北省建设厅项目(2014-230)
关键词
A^2/O污水处理工艺
污泥回流比
污泥龄
有机物去除
脱氮除磷
A^2/O wastewater treatment process
sludge recycle ratio
sludge age
removal of organic matter
nitrogen and phosphorus removal
