E - Fixed Constructions – 03 – F
Patent
E - Fixed Constructions
03
F
E03F 1/00 (2006.01) E03F 5/10 (2006.01)
Patent
CA 2510476
A single tank for primary or inline treatment of stormwater runoff. The tank consists of multiple concentric or eccentric compartments that are cylindrical or rectangular in shape. The inner compartment receives the untreated water through a perforated catch-basin cover or an inline inlet pipe. The partially treated water from this compartment, and any other compartment thereafter, overflows into a receiving compartment that completely surrounds the source compartment. The combination of gravity, density gradients, pipe siphon arrangement and laminar flow conditions created by the shape of each of the treatment compartment forces maximum separation of oils and sediments without the need for moving parts or chemicals. A mixture of non compacted oleophilic and oleophopic media is installed in the final compartment(s) to coalesce residual free and partially emulsified oil droplets and separate them from water. The media will also help knock out residual suspended solids. Other types of media like iron humate, Mica, sand, activated carbon or bacterial growth enhancing media can be used in conjunction of or instead of the oil-removal media to remove other pollutants.
Younis Hisham
Na
Younis Hisham
LandOfFree
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