摘要
研究生物接触氧化法中DO对同步硝化反硝化系统脱氮效率的影响。研究结果表明:在溶解氧(DO)为1.0～3.0mg/L范围内,随着反应器内溶解氧浓度的降低,总脱氮去除率提高,保持较好脱氮率的最佳DO为2mg/L左右,并分析了其原因;同时探讨了DO为2mg/L时的动力学方程。
In the paper, the effect of DO concentration on the nitrogen removal efficiency is studied in biofilm simultaneous nitrification and denitrification (SND). Results show that total nitrogen removal efficiency has a tendency to rise with the decrease of DO concentration between 1.0 and 3.0mg/L in the reactor and the optimal DO concentration is about 2mg/L. And the reason is analyzed. In addition, kinetic equation is studied when DO is 2mg/L.
出处
《城市环境与城市生态》
CAS
CSSCI
CSCD
北大核心
2003年第1期8-10,共3页
Urban Environment & Urban Ecology
基金
天津市自然科学基金资助项目(013608211)
关键词
DO
溶解氧
同步硝化反硝化
动力学方程
生物膜
废水
脱氮效率
simultaneous nitrification and denitrification(SND)
biofilm
DO concentration
kinetic equation
