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Water Treatment Engineering and Operations

Classic engineering cases

  • Case 1
  • Case 2

Water treatment plant project in a Jiangsu Chemical zone

Scale: 3000m³/d  

Waste water type: Chemical

Quality of inlet and yielding water:

Testing items COD(mg/L) TN(mg/L) NH3-N(mg/L) TP(mg/L) SS(mg/L) Color
Design inlet water 80 20 5 1 10 30
Yielding water ≤30 ≤5 ≤0.5 ≤0.05 ≤5 ≤15

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Water treatment in a Shandong paper mill

Waste water type:Paper making waste water

Total inlet water:6300m³/d,

Total yielding water:3500 m³/d

Testing items Unit Inlet water Index Yielding water index
Conductivity μS/cm 4000~5000 150~250
pH   7~8.5 6~9
COD mg/L 240~280 ≤20
Cl- mg/L 700~900 ≤30
SO42- mg/L 180~230 ≤30
Ca mg/L 120~200 ≤10
Total hardness mg/L   ≤20
SS mg/L   ≈0

Scene pictures:

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