Evaluation of Cr(III) by ion-exchange resins from aqueous solution: equilibrium, thermodynamics and kinetics
作者： Serpil Edebali , Erol Pehlivan
DOI: 10.1080/19443994.2013.821631
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摘要: AbstractThe removal of Cr(III) ions from aqueous solution by two commercially available resins (Amberlite IRN77 and Purolite C160) was investigated. Batch adsorption processes were carried out as a function time, adsorbent dosage, pH, concentration temperature to evaluate the performance resins. It found that more than 90% achieved under optimal conditions. The optimum pH for 4.0 these suitability Freundlich, Langmuir, Scatchard Dubinin–Radushkevich models also investigated Cr(III)-resin system. A pseudo-second-order kinetic model has been proposed correlate experimental data. equilibrium level Amberlite slightly decreased with increasing temperature, while it nearly same C160.
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