IJERT-EMS
IJERT-EMS

Application of Response Surface Methodology for Optimization of Heavy Metals Biosorption on Natural Gum of Acacia Nilotica


Application of Response Surface Methodology for Optimization of Heavy Metals Biosorption on Natural Gum of Acacia Nilotica
Authors : Sarra Bouazizi, Bassem Jamoussi, Dalila Bousta
Publication Date: 04-05-2016

Authors

Author(s):  Sarra Bouazizi, Bassem Jamoussi, Dalila Bousta

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 5 - Issue. 05 , May - 2016

e-ISSN:   2278-0181

Abstract

In the present study, application of response surface methodology (RSM) was used for optimization of cadmium (Cd) and lead (Pb) removal from wastewaters using the gum of Acacia nilotica as an adsorbent material. The influence of various process parameters such as contact time, solution pH and temperature on the removal process was investigated. Response surface plots were used to determine the interaction effects of main factors and optimum conditions of process, respectively for the simultaneous removal of cadmium and lead .From the experimental result, maximum of lead (II) removal of 60% was obtained at the optimum condition of contact time (20 min), pH (4) and temperature (50°C), while maximum of cadmium (II) removal of 100% was obtained at the optimum condition of contact time (25 min) , (pH 5) and temperature (70°C).

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