Journal of Industrial and Engineering Chemistry, Vol.33, 42-50, January, 2016
Studies on optimization of removal of orange G from aqueous solutions by a novel nano adsorbent, nano zirconia
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A nanoadsorbent, nano zirconia was investigated for the removal of Orange G from aqueous solutions. Optimization was carried out via Box-Behnkehn Design and one variable at a time design. The parameters namely initial concentration (50-100 ppm), pH (2 to 6), and adsorbent dose (2 to 10 g/L) at 30 ℃ were optimized by BBD. The following conditions were pointed out by OVAT: pH = 2, initial concentration = 50 ppm and adsorbent dose = 2 g/L. The response surface methodology results for pH and initial concentrations were the same as that obtained by OVAT but were different for adsorbent dose.
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