活性污泥法脱氮条件的优化研究

Study on the Optimum Conditions of Nitrogen Removal by the Activated Sludge Process

采用传统活性污泥法处理模拟生活污水,考察了温度、pH值、C/N比及振荡时间对脱氮效果的影响.实验结果表明,在温度为30℃、pH为7、C/N比是12∶1及振荡时间为12h时,污水中氮去除效果最好,脱氮效率可达90%.

The domestic sewage was treated by traditional activated sludge process in this paper.The effects of temperature,pH,C/N and oscillation time on the nitrogen removal was inspected.The experimental results indicated that the sludge denitrification efficiency was up to 90% when the temperature is 30℃,oscillation time is 12h,pH=7,C/N=12∶ 1.