Evaluation of Amberlite IRA96 and Dowex 1×8 ion-exchange resins for the removal of Cr(VI) from aqueous solution.
作者： Serpil Edebali , Erol Pehlivan
DOI: 10.1016/J.CEJ.2010.04.059
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摘要: Abstract The removal of Cr(VI) from aqueous solution by two commercially available resins (Amberlite IRA96 and Dowex 1×8) was investigated. Batch adsorption processes were carried out as a function time, adsorbent dosage, pH temperature to evaluate the performance resins. optimum for found 3.0 these It that more than 93% achieved under optimal conditions. maximum capacities are 0.46 0.54 mmol/g Amberlite 1×8 resin ion, respectively. suitability Freundlich Langmuir models investigated Cr(VI)-resin equilibrium. A pseudo-second order kinetic model has been proposed correlate experimental data. equilibrium level decreased with increasing temperature, while it increased IRA96.
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