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Comeniusproject : waterworks. March 2011 Finnland. Comeniusproject: waterworks. Waterworks/barrage Grane. Built: 1966 - 1969 Commissioning date: 1969 Conditioning of water: 194.000m³/day. Comeniusproject : waterworks. Length of causey: 67m Height of causey: 600m
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Comeniusproject:waterworks March 2011 Finnland
Comeniusproject: waterworks Waterworks/barrage Grane Built: 1966 - 1969 Commissioning date: 1969 Conditioning of water: 194.000m³/day
Comeniusproject: waterworks Length of causey: 67m Height of causey: 600m Connected with other barrages: Innerste and Oker Used for: energy production flood control low water raising drinking water abstraction
Comeniusproject: waterworks How does a waterworks work? 1. Water is collected →natural water 2. Coagulant is added →organic substances are bonded 3. Filtration with quartz sand →the flocks are separated
Comeniusproject: waterworks 4. Deacidification with calcium carbonate →raise pH 5. Water is fumigated →last tertiary treatment 6.Water is collected →pure water 7. Water is drinkable
Comeniusproject: waterworks Waste products Filter cleaned ↓ mud produced ↓ water is extracted of the mud ↓ The mud is used to produce bricks
Comeniusproject: waterworks Our planet 70% of the earth is covered by water. Just 3% of it is drinkable freshwater. Just one third of the freshwater is achievable for us.
Comeniusproject: waterworks Water consumption of a European • Personal hygiene: 46L • Toilet: 34L • Washing: 15L • Business: 11L
Comeniusproject: waterworks Cleaning flat and car: 7L Dishwasher: 7L Garden: 4L Food and water: 3L Altogether: 127L/day!
Comeniusproject: waterworks Global water consumption
Comeniusproject: waterworks How to save water? Taking a shower instead of having a bath Never forget to close the water tap Use water butts for the garden Buy water–saving equipment Buy food produced in your region
Comeniusproject: waterworks Thank youfor your attention!