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Understanding Waterworks: Management, Treatment, and Conservation Strategies

This project explores the essential functions of waterworks, focusing on the Grane barrage built between 1966 and 1969 in Finland. With a water conditioning capacity of 194,000 m³/day, the barrage plays a crucial role in energy production, flood control, and drinking water abstraction. We outline the water treatment process, from collection to purification and the importance of conserving our limited freshwater resources. Additionally, we provide insights into daily water consumption and practical tips for reducing water usage.

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Understanding Waterworks: Management, Treatment, and Conservation Strategies

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  1. Comeniusproject:waterworks March 2011 Finnland

  2. Comeniusproject: waterworks Waterworks/barrage Grane Built: 1966 - 1969 Commissioning date: 1969 Conditioning of water: 194.000m³/day

  3. 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

  4. 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

  5. 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

  6. Comeniusproject: waterworks Waste products Filter cleaned ↓ mud produced ↓ water is extracted of the mud ↓ The mud is used to produce bricks

  7. 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.

  8. Comeniusproject: waterworks Water consumption of a European • Personal hygiene: 46L • Toilet: 34L • Washing: 15L • Business: 11L

  9. Comeniusproject: waterworks Cleaning flat and car: 7L Dishwasher: 7L Garden: 4L Food and water: 3L Altogether: 127L/day!

  10. Comeniusproject: waterworks Global water consumption

  11. 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

  12. Comeniusproject: waterworks Thank youfor your attention!

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