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An ion exchange resin, based on the sodium diimidoacetate structure, has been tested for the removal of zinc ions from effluents. After employing three isotherm models, namely, Langmuir, Freundlich and Langmuir–Freundlich to measure and analyse equilibrium isotherms, a series of agitated batch experiments have been carried out to optimise the removal of zinc ions in a two-stage batch system. The first...
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