Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Adsorption of manganese (II) by nitric acid treated granular activated charcoal prepared from Cordia Macleodii tree bark
Author(s): Atul K. WanjariManganese is toxic to living systems and therefore it is essential to remove it from wastewater. The resent paper deals with the study of adsorption of Mn (II) metal ions. For this purpose granular activated charcoal was prepared by using Cordia Macleodii tree bark and used for the adsorption of Mn (II) from aqueous solution. Granular activated charcoal was characterized by using FTIR and SEM techniques. Adsorption capacity of Cordia Macleodii tree bark granular activated charcoal for Mn (II) retrieval was investigated by employing batch equilibration method as a function of pH, contact time, initial metal concentration, adsorbent dose, and temperature to determine the efficiency of adsorbent. The adsorption data were found to fit well with the Langmuir model and Freundlich model. The kinetic models, namely pseudo-first order, pseudo second order and elovich model where used to describe the kinetics of Mn (II) ions adsorption on granular activated charcoal. Pseudo second order was the best of the three kinetic models to successfully describe the adsorption. Thus the self-prepared granular activated charcoal under investigation has been proved to be agood economical adsorbent material for Mn (II) removal from aqueous solution.
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