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Denis MOTA. Waste Water Treatment. Overview. Waste water Treatment Treatment in LYON Pierre Bénite. What is Waste Water?. 3 types of waste water: From residences From Industrie Rainwater. The treatment takes place in 3 Stages: The first removes 40-60% of the solids
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Denis MOTA Waste Water Treatment
Overview • Waste water Treatment • Treatment in LYON • Pierre Bénite
What is Waste Water? • 3 types of waste water: • From residences • From Industrie • Rainwater
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
Primary Treatment • Sanitary sewers
Primary Treatment • Bar Screens
Primary Treatment • Two Primary Settling Bassins
Secondary Treatment • Two Aeration basins
Secondary Treatment • The Final Settling Bassins
Secondary Treatment • The Final Effluent
Sludge Treatment • Hydrocyclone Grit Separator • Sludge Thickener • Anaerobic Digest
Waste Water Treatment in Lyon • 8 Sites of Waste Water Treatment • Capacity for 1 300 000 inhabitants • → Not enough in the Futur?
New Waste Water Treatment Plant • Reconstruction of the site of Pierre Bénite • 450 000 eq-hab to 1 000 000 • → Solution for the futur
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
Any Questions ? Thank you for your attention