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TREATMENT PLANT - WEGNEZ

 
MASTER OF WORK A.I.D.E. B-4420 Saint-Nicolas
STUDIES OFFICE COPPEE COURTOY
YEAR Start-up : 2001
PRESTATIONS Like sub-contractor for B.E. COPPEE COURTOY :
· Choice of the treatment line
· Establishment of the project (about process)
· Comparison of offers, establishment of the final report (process party)
CAPACITY OF THE TREATMENT
 110.000 (transitory : 170.000) E.H.
 19.800 (transitory : 30.600) m³/day
  5.940 (transitory : 9.180) kg BOD/day
MAXIMUM PERMISSIBLE CONCENTRATION
 BOD : 25 mg O2/l
 Suspended solids : 35 mg/l
 N : 10 mg/l
 P : 1 mg/l
TREATMENTS
· Preliminary treatments
 
  Coarse and fine screening
  Pumping station with Archimedes-screws
  Desilting
  Storm water collecting tanks
  Settling
· Secondary treatments
 
 

Biological treatment by activated sludge with N and P removal.

  Settling
   
· Tertiary treatments
 
  Phosphorus removal by chemical process
   
· Thickening of preliminaries sludge
   
· Thickening by flotation of secondary and tertiary sludge
   
· Dewatering of sludge by centrifugation
 
 
 
     
 

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