Sorption of Ni2+ Ions by Anion Exchangers based on Epichlorohydrin Oligomers and 4-Vinylpyridine
anion exchange, OECH-VP, SEC, microscopy method
Abstract
The new anion exchange resin (OECH-VP) was synthesized by polycondensation of oligomer epichlorohydrin (OECH) and 4-vinylpyridine (VP), the static exchange capacity (SEC) of which is equal to 6.75 mg-equiv g-1 in 0.1 M HCI solution and the sorption of Ni2+ ions were studied. The influence of the concentration and pH of the Nickel (II) sulfate heptahydrate solutions, contact time on the sorption activity of new anion exchangers (ECHO-VP) to nickel ions were studied. Structure of the surface anionite was studied by electronic microscopy method.
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References
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2014-08-25
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