C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/02 (2006.01) B01D 24/00 (2006.01) B01D 24/14 (2006.01) C02F 1/00 (2006.01) C02F 1/52 (2006.01) C02F 5/00 (2006.01)
Patent
CA 2386445
Disclosed is an environmentally friendly fluid treatment assembly comprising: a back- flushable filter, a fluid conditioning device and a control valve. During normal operation, fluid is directed by the control valve to pass through the conditioning device wherein the precipitation of solids dissolved within the fluid takes place. The fluid is then directed to flow through a filter medium within the back-flushable filter where precipitates and other solids are removed from the flow. The fluid then exits the assembly via the control valve. During back-flushing, the direction of fluid flow through the assembly is reversed and the filter medium is fluidised while precipitates and other solids are flushed out of the filter through the control valve. The assembly finds particular but not exclusive application to the treatment of water. Water treatment devices comprising an embodiment of the present invention lead to the precipitation of carbonates from hard water and removes those precipitates from the water flow. This enhances the ability of the assembly to produce treated water which is capable of absorbing previously formed scale deposits within a water system while preventing any significant accumulation of additional scale. Since the conditioning device does not make use of ion exchange resins, back-flushing does not require the use of a brine solution.
Buchanan John Christopher Sutherland
Joslin Christopher Michael David
Ion Enterprises Limited
Riches Mckenzie & Herbert Llp
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