C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/04 (2006.01) C02F 3/10 (2006.01)
Patent
CA 2634190
A method for treating wastewater wherein the wastewater is introduced in prescribed doses of wastewater to a first treatment zone, establishing a negative pressure gradient using mechanical ventilation within said zone causing exhaust air flow to remove gases and promote evaporation in the zone. Excess wastewater passing through the zone is collected and reintroduced. The zone contains particulate material with a large wetted surface area covered in a microbiological slime layer.
La présente invention concerne un procédé pour traiter les eaux usées selon lequel les eaux usées sont introduites dans des doses prescrites d~eaux usées jusqu~à une première zone de traitement, établissant un gradient à pression négative en utilisant une ventilation mécanique au sein de ladite zone, entraînant l~élimination des gaz et la promotion de l~évaporation par l~écoulement d~air d~évacuation dans la zone. Le surplus d~eaux usées passant à travers la zone est collecté et réintroduit. La zone contient du matériau particulaire, une importante zone de surface mouillée étant recouverte d~une couche de vase microbiologique.
Borden Ladner Gervais Llp
International Environmental Solutions Pty Ltd
LandOfFree
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