Copper Ion-exchange

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Abstract

Ion-exchange (IX) remains widely used, with more than 80% of their applications presently being in water treatment. This technique is also an indispensable way to obtain different grades of purified water (1). The adsorption phenomena are operative in most natural physical, biological, and chemical systems that employ solids such as activated carbon. Synthetic resins are used widely in industrial applications for purification of water and wastewater (2). The synthesis and the properties were reported especially of new sorbents based on reversed phase silica gels. Cationic exchangers were reported (3) and used for the two-column determination of alkali and alkaline-earth cations. The synthesis of IX materials was the technique of modifying matrices containing a cation-exchange group with a polymer water-soluble anion exchanger with functional group of quaternary ammonium base (3). This technique made it possible to significantly simplify the study of the selectivity of new functional groups to obtain a large body of data on sorbents based on ionenes (cationic polymers with quaternary nitrogen atoms in the main chain).

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