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Hindi Research Article
Evaluation of Interaction of Carbonization Temperatures and Concentrations on the Adsorption Capacities and Removal Efficiencies of Activated Carbons Using Response Surface Methodology (RSM)
| Alade AO1,3, Amuda OS2*, Ogunleye OO3 and Okoya AA4 | |
| 1Biotechnology Engineering Department, International Islamic University Malaysia, Kuala Lumpur, Malaysia | |
| 2Department of Pure and Applied Chemistry, Ladoke Akintola University of Technology, Ogbomoso, Nigeria | |
| 3Chemical Engineering Department, Ladoke Akintola University of Technology, Ogbomoso, Nigeria | |
| 4Institute of Ecology and Environmental Studies, Obafemi Awolowo University, Ile- Ife, Nigeria | |
| Corresponding Author : | Amuda OS Department of Pure and Applied Chemistry Ladoke Akintola University of Technology Ogbomoso, Nigeria Tel: +234 803 440 2907 E-mail: osamuda@lautech.edu.ng |
| Received: December 11, 2011; Accepted: December 29, 2011; Published: December 31, 2011 | |
| Citation: Alade AO, Amuda OS, Ogunleye OO, Okoya AA (2012) Evaluation of Interaction of Carbonization Temperatures and Concentrations on the Adsorption Capacities and Removal Efficiencies of Activated Carbons Using Response Surface Methodology (RSM). J Bioremed Biodegrad 3:134. doi:10.4172/2155-6199.1000134 | |
| Copyright: © 2012 Alade AO, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |
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Abstract
Response Surface Methodology was used to evaluate the interactions of carbonization temperatures of adsorbents and concentrations of adsorbates on the adsorption capacities and removal efficiencies of activated carbons obtained from flamboyant ( Delonix regia ) pod bark (FB), milk bush ( Thevetia peruviana ) kernel shell (MB) and rice ( Oryza sativa ) husks (RH). The activated carbons produced at various temperatures (300-600 ?C) were used to adsorb concentrations (50-150 mg/L) of naphthalene and acenaphthene in a batch process at 150 rpm. The amount adsorbed was quantified with gas chromatography (GC-FID). Two factors interaction (2FI) model Y = a 0 + a 1 A + a 2 B + a 12 AB, showed that the interactions between increasing activation temperature of the adsorbents and increasing concentrations of the adsorbates increased the adsorption capacity of the MB while the adsorption capacities of FB and RH were reduced. The order of suitability of the adsorbents is MB > RH > FB and MB > FB > RH, respectively
