The research aims to explore the issues of sewage treatment and quality improvement in sewage treatment plants based on advanced treatment technology.A combination of laboratory simulation and field experiments was used to evaluate the impact of different sludge return ratios and inlet conditions on sewage treatment efficiency.The research results indicate that the sewage treatment efficiency is significantly improved under different reflux ratio conditions.Specifically,the total phosphorus in the effluent of the first stage is 1.40mg/L,and the suspended solids are 35.20mg/L.In the fourth stage,the total phosphorus in the effluent decreased to 0.95mg/L,and the suspended solids decreased to 25.10mg/L.In addition,the total nitrogen in the influent decreased from 35.23mg/L to 2.15mg/L,with a removal rate of about 93.86%.The chemical oxygen demand decreased from 410.75mg/L to 18.40mg/L,with a removal rate of 95.52%.The significance of the research lies in providing empirical evidence for the optimization of future sewage treatment processes and clarifying the possibility of achieving efficient sewage treatment by adjusting process parameters.
关键词
深度处理/污水处理/提质增效/工艺参数
Key words
deep processing/wastewater treatment/improving quality and efficiency/process parameters