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Research Paper | Chemistry | Kenya | Volume 5 Issue 3, March 2016
Ashed SBE Adsorbent for Lead and Zinc (II) Ions: Kinetic and Equilibrium Studies
Genson Murithi [4] | Karanja wa-Thiongo [3] | Wachira Muthengia [5]
Abstract: The present study investigated the adsorption potential of Ashed SBE (spent bleaching earth) to remove lead (II) and zinc (II) ions from industrial effluent. The effluent was found to have a higher percentage of lead (II) and zinc (II) ions beyond the acceptable WHO (World health organization) standards. The maximum adsorption capacity was found to be 29.8 and 43.4 mg/L for adsorption of lead (II) and zinc (II) ions respectively. Lead and zinc (II) ions removal was mainly influenced by the operating variables of the solid/liquid ratio and the pH of the aqueous phase. The kinetic data was evaluated and the pseudo-second-order equation provided the best correlation. The present study demonstrated that ASBE is a promising material that may be used for the removal of heavy metal ions from industrial effluents
Keywords: Adsorption, Ashed SBE, Isotherms Kinetics, Lead II and Zinc II ions
Edition: Volume 5 Issue 3, March 2016,
Pages: 1729 - 1734
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