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Drinking Water Treatment Process

Monitoring Excellence = Ensuring Quality – To ensure the quality of drinking water, SIGRIST provides high quality process instruments for the continuous monitoring of key water parameters.

Water treatment process Turbidity in Raw WaterDOC (UV Absorption) in Raw WaterColour (Hazen) of Raw WaterOil (HC) Traces in Raw WaterTurbidity for Flocculant DosingDOC (UV Absorption) in Raw WaterColour (Hazen) of Raw WaterTurbidity after Rapid FiltrationTurbidity after Filter BackwashTurbidity before Ultra or Membrane FiltrationTurbidity after Ultra or Membrane FiltrationTurbidity after Sand FilterTurbidity after Filter BackwashOzone Generator MonitoringOzone in Air or Oxygen (O2)DOC (UV Absorption) after Activated Carbon FiltrationTurbidity before DisinfectionConcentration of Chlorine Dioxide (ClO2)Turbidity in Treated WaterDOC (UV Absorption) in Treated WaterpH Value in Raw Water / Treated WaterpH Value in Raw Water / Treated WaterConductivity in Raw Water / Treated WaterConductivity in Raw Water / Treated WaterORP in Raw Water / Treated WaterORP in Raw Water / Treated WaterDissolved Oxygen in Raw Water / Treated WaterDissolved Oxygen in Raw Water / Treated WaterConcentration of Free Chlorine, Chlorine Dioxide (ClO2) and Ozone (O3) in WaterTotal Cell Count (TCC) and Proportion of Large and Small Cells (HNA- and LNA-Cells) in Raw Water
Water treatment process Turbidity in Raw WaterDOC (UV Absorption) in Raw WaterColour (Hazen) of Raw WaterOil (HC) Traces in Raw WaterTurbidity for Flocculant DosingDOC (UV Absorption) in Raw WaterColour (Hazen) of Raw WaterTurbidity after Rapid FiltrationTurbidity after Filter BackwashTurbidity before Ultra or Membrane FiltrationTurbidity after Ultra or Membrane FiltrationTurbidity after Sand FilterTurbidity after Filter BackwashOzone Generator MonitoringOzone in Air or Oxygen (O2)DOC (UV Absorption) after Activated Carbon FiltrationTurbidity before DisinfectionConcentration of Chlorine Dioxide (ClO2)Turbidity in Treated WaterDOC (UV Absorption) in Treated WaterpH Value in Raw Water / Treated WaterpH Value in Raw Water / Treated WaterConductivity in Raw Water / Treated WaterConductivity in Raw Water / Treated WaterORP in Raw Water / Treated WaterORP in Raw Water / Treated WaterDissolved Oxygen in Raw Water / Treated WaterDissolved Oxygen in Raw Water / Treated WaterConcentration of Free Chlorine, Chlorine Dioxide (ClO2) and Ozone (O3) in WaterTotal Cell Count (TCC) and Proportion of Large and Small Cells (HNA- and LNA-Cells) in Raw Water

Measuring Points & Products

1
Turbidity in Raw Water
2
DOC (UV Absorption) in Raw Water
3
Colour (Hazen) of Raw Water
4
Oil (HC) Traces in Raw Water
5
Turbidity for Flocculant Dosing
6
DOC (UV Absorption) in Raw Water
7
Colour (Hazen) of Raw Water
8
Turbidity after Rapid Filtration
9
Turbidity after Filter Backwash
10
Turbidity before Ultra or Membrane Filtration
11
Turbidity after Ultra or Membrane Filtration
12
Turbidity after Sand Filter
13
Turbidity after Filter Backwash
14
Ozone Generator Monitoring
15
Ozone in Air or Oxygen (O2)
16
DOC (UV Absorption) after Activated Carbon Filtration
17
Turbidity before Disinfection
18
Concentration of Chlorine Dioxide (ClO2)
19
Turbidity in Treated Water
20
DOC (UV Absorption) in Treated Water
21
pH Value in Raw Water / Treated Water
22
Conductivity in Raw Water / Treated Water
23
ORP in Raw Water / Treated Water
24
Dissolved Oxygen in Raw Water / Treated Water
25
Concentration of Free Chlorine, Chlorine Dioxide (ClO2) and Ozone (O3) in Water
26
Total Cell Count (TCC) and Proportion of Large and Small Cells (HNA- and LNA-Cells) in Raw Water
Colour (GOST Standard) in Water
Colour (Hazen) of Treated Water
DOC (UV Absorption) and Colour (Hazen) in Water
Turbidity in Sea Water

Continuous monitoring of important sum parameters such as turbidity, DOC levels, color and oil concentration quarantees that impurities in raw water or flaws in the treatment process will be detected immediately, thus ensuring that only water of impeccable quality is supplied to consumers.