Grabs, Water treatment plant, Grabs, Switzerland
Client:Municipality of Grabs
Location:Grabs, Switzerland
Capacity:2,880 m3/d


  • Construction of a new plant for spring water treatment


  • Elimination of turbidity and the NOM load to allow a more complete use of the available spring water and to ensure continuous water supply and water quality.


  • Active carbon filtration
  • Adaptive filter backwashing
  • Ultrafiltration with pressurized membranes, dead-end filtration
  • Final disinfection with NaOCl
  • Completely automated operation by PLC
  • Remote access control
  • Possible extension of the capacity to 150 m3/h
Grabs Membranen seitlich WEB
Grabs WTP Membranen WEB