Case 1

Upgrade project of high salinity pharmaceutical wastewater treatment station

Features:

Pharmaceutical wastewater, including phenol and ammonia-nitrogen;

Running salinity:

Anaerobic: 6%~8%, Aerobic;

3%~4% Water quantity: 150m3/d

Original wastewater:

COD: 50000~60000 mg/L

NH3-N: 4000~5000 mg/L

Phenol: 500~800 mg/L

Salinity: 30000~80000 mg/L

Discharge quality:

COD < 100 mg/L

NH3-N < 30 mg/L

Phenol < 0.1 mg/L

Salinity < 1000