Waste Water Treatment Denis MOTA. Overview Waste water Treatment Treatment in LYON  Pierre Bénite.

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Presentation transcript:

Waste Water Treatment Denis MOTA

Overview Waste water Treatment Treatment in LYON  Pierre Bénite

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

Processes of Waste Water Treatment: Example in Columbia 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 inhabitants → Not enough in the Futur?

New Waste Water Treatment Plant Reconstruction of the site of Pierre Bénite eq-hab to  → Solution for the futur

New Site

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

Thank you for your attention Any Questions ?