Municipal sewage treatment in a certain county of Shaanxi Province

1、 Wastewater quality analysis

(1) Water quality composition

97% of the sewage treatment plant is domestic sewage and 3% is industrial sewage, which contains five types of pollutants: suspended solids, pathogens, organic pollutants, inorganic pollutants, and plant nutrients (nitrogen, phosphorus).

(2) Water quality indicators

2、 Process flow

3、 Running effect