Waste Water Treatment - PowerPoint PPT Presentation

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Waste Water Treatment

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  1. Denis MOTA Waste Water Treatment

  2. Overview • Waste water Treatment • Treatment in LYON • Pierre Bénite

  3. What is Waste Water? • 3 types of waste water: • From residences • From Industrie • Rainwater

  4. The treatment takes place in 3 Stages: The first removes 40-60% of the solids The second 90% of the pollution Sludge: treatment and disposal Processes of Waste Water Treatment:Example in Columbia

  5. Processes of Waste Water Treatment:Example in Columbia

  6. Primary Treatment • Sanitary sewers

  7. Primary Treatment • Bar Screens

  8. Primary Treatment • Two Primary Settling Bassins

  9. Secondary Treatment • Two Aeration basins

  10. Secondary Treatment • The Final Settling Bassins

  11. Secondary Treatment • The Final Effluent

  12. Sludge Treatment • Hydrocyclone Grit Separator • Sludge Thickener • Anaerobic Digest

  13. Waste Water Treatment in Lyon

  14. Waste Water Treatment in Lyon • 8 Sites of Waste Water Treatment • Capacity for 1 300 000 inhabitants • → Not enough in the Futur?

  15. New Waste Water Treatment Plant • Reconstruction of the site of Pierre Bénite • 450 000 eq-hab to 1 000 000 • → Solution for the futur

  16. New Site

  17. Conclusion • Water is more and more rare even in Europe • We have to take care of it!!! • → Waste Water treatment is very important and necessary

  18. Any Questions ? Thank you for your attention