BALASHA-JALON Infrastructure Systems LTD. (BJIS)

                           בלשה-ילון מערכות תשתית בע"מ                                                                                                                                    

BALASHA-JALON Infrastructure Systems LTD. (BJIS)

  בלשה-ילון מערכות תשתית בע"מ

General Background


This W.W.T.P (presently under construction) serves the municipalities of Ir-Karmel and several rural villages of Hof-Carmel regional council, having population of 60,000.


BJIS provided general design and complete detailed design services.


BJIS provides general supervision of construction.


Basic Design Facts:


  • Average Design Flow (m3/day): 10,000
  • Average B.O.D. Load (Kg/day): 4,000
  • Effluent Quality (BOD/TSS/N): 15/20/15






 Liquid Process and Facilities


Main Process:


B.N.R. Activated Sludge without primary clarifiers




  • Bar screens
  • Grit removal
  • B.N.R. Activated sludge reactors with diffused aeration system
  • Final clarifiers









Sludge Process and Facilities


Main Process:


Aerobic Stabilization





  • Sludge tanks
  • Drum thickeners for W.A.S. thickening
  • Aerobic sludge digesters with diffused air system
  • Decanter centrifuges for the dewatering of the stabilized sludge








Nir Etzion WWTP - Israel