Mechanical flotation device for reduction of oil, alkalinity...

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 9/02 (2006.01) C02F 1/20 (2006.01) C02F 1/40 (2006.01) C02F 1/66 (2006.01)

Patent

CA 2538684

A mechanical vessel may effectively and simultaneously displace a first undesired gas from within water with a second desired gas, and remove at least one alkaline species and oily matter from the water. The vessel raises the pH of the water and reduces the lime requirement for subsequent lime softening. The vessel receives the water containing the first gas and passes the water through a series of gasification chambers. Each gasification chamber may have a mechanism that ingests and mixes a second gas into the water thereby physically displacing at least a portion of the first gas into a vapor space at the top of each gasification chamber from which it is subsequently removed. There is an absence of communication between the vapor spaces of adjacent chambers. An acid is added to remove the alkaline species, where the first gas is an optional by-product that is also removed.

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