C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/42 (2006.01) B01J 39/16 (2006.01) B01J 47/00 (2006.01) B01J 47/06 (2006.01) B03C 1/01 (2006.01) C02F 1/48 (2006.01)
Patent
CA 2073568
A method for the removal of pollutant ions from an aqueous solution in which they are contained, which method comprises the steps of: i) contacting the solution to be treated with particles of a composite magnetic resin which comprises magnetic particles embedded in an organic polymeric matrix which either contains, or has attached thereto sites which are selective for the pollutant ions in the presence of other ions it is not desired to remove; ii) separating by magnetic filtration the composite magnetic resin particles from the solution; iii) subjecting the separated composite magnetic resin particles, to regeneration using an appropriate regenerant solution; iv) separating the regenerated composite magnetic resin particles from the regenerant solution; and v) recycling the separated composite magnetic resin particles to step (i) of the method.
Bradbury David
Elder George Richard
Tucker Philip Martin
Finlayson & Singlehurst
Morgan Franklin Fund Inc.
Selective Environmental Technologies Inc.
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