© Zhonguancun Sponge Ctry Engineering Research Institute
Project site: Middle section of Yitong River
Project category: Ecological management of water environment
Project size: 15000m3/d
1、 Project overview
This project is Changchun Yitong River Basin water environment comprehensive treatment project - Yitong River middle section water ecology treatment project - Yitong River City middle section river ecosystem construction project - Yongning Road North constructed wetland system project.
2、 Processing objectives
The treatment scale is 150000m³ / D, and the treatment target is to reach the surface water class IV water with effluent CODCr, ammonia nitrogen and TP. The specific inlet and outlet water concentrations are as follows:
Design water quality of the constructed wetland project in the north of Yongning Road
index
CODcr
Ammonia nitrogen
TP
Inlet water quality(mg/L)
≤60
≤3.5
≤0.6
Effluent quality(mg/L)
≤30
≤1.5
≤0.3
Removal rate%
50
57.1
50
