Adsorption and Kinetic Optimization Study of Acetic Acid from Aqueous Solutions Using Activated Carbon Developed from Vernonia amygdalina Wood
American Journal of Physical Chemistry
Volume 5, Issue 6, December 2016, Pages: 128-132
Received: Dec. 7, 2016; Accepted: Dec. 23, 2016; Published: Jan. 18, 2017
Views 7411      Downloads 243
Yilkal Dessie Sintayehu, Department of Chemistry, Adama Science and Technology University, Adama, Ethiopia
Lalisa Terefe Lencha, Department of Chemistry, Adama Science and Technology University, Adama, Ethiopia
Article Tools
Follow on us
In this study, the adsorption of Acetic acid from an aqueous solution is investigated using activated charcoal prepared from Bitter leaf (Vernoniaamygdalina) that is activated by tap water. Carbonizations at different activation temperature with constant flow of air are used to examine for accepted accessibility of sorbent material. The optimum conditions obtained from this batch adsorption experiments highest adsorption capacity is recorded at activation temperature=400°C, contact time=60 min, pH=6, temperature=25 ± 2°C, charcoal (adsorbent) dosage=0.04 g, acid concentration=0.097 mol/L. More than 85 percent adsorption of acetic acid was recorded in every batch laboratory experiments. Adsorption kinetic and its equilibrium behaviors are studied. It indicates that the adsorption process obeys Pseudo-second-order kinetic and Langmuir isotherm models. The characteristic results and dimensionless separation factor (RL) showed that Bitter leaf wood can be employed as an alternative bio-sorbent in the removal of carboxylic acid from an aqueous solution. The adsorption of acetic acid by Bitter leaf fit well into pseudo second order rate equation and the adsorption also obeyed Langmuir isotherm with a separation factor (RL=0.89). Fourier transforms infrared (FT-IR) analysis treated by tap water indicating good chemical transformations would have taken place.
Adsorption, Kinetics, Bitter Leaf, Isotherms, Carbonization
To cite this article
Yilkal Dessie Sintayehu, Lalisa Terefe Lencha, Adsorption and Kinetic Optimization Study of Acetic Acid from Aqueous Solutions Using Activated Carbon Developed from Vernonia amygdalina Wood, American Journal of Physical Chemistry. Vol. 5, No. 6, 2016, pp. 128-132. doi: 10.11648/j.ajpc.20160506.14
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
J. M. Ketcha, D. J. D, Dina, H. M.Ngomo, N. J. Ndi, “Preparation and Characterization of Activated Carbons Obtained from Maize Cobs by Zinc Chloride Activation,”Am. Chem. Sci. J. vol. 4, pp. 136-160, 2012
W. Michael, and L. Jie, “Functional nanostructures from surface chemistry patterning,” Phys. Chem. Chem. Phys. vol. 9, pp. 207-225, 2007
K. Mihoko, and M. Milan, “Rewiring Cell Adhesion,” J. Am. Chem. Soc. vol. 126, pp. 6504–6505, 2004
J. Ryo, I. Mikael, K. Anita, S.Young-Taeg,and B. J.Carina, “Protein Adsorption to Surface Chemistry and Crystal Structure Modification of Titanium Surfaces,” J. Oral Maxillofac Res. vol. 1, pp. 1-9, 2010
C. C-Moreno, M. V. López-Ramón, F. Carrasco-Marín, “Changes in surface chemistry of activated carbons by wet oxidation,” Carbon, vol. 38, pp. 1995-2001, 2000
A. Mohammad-Khah, and R. Ansari, “Activated Charcoal: Preparation, characterization and Applications: A review article,” Int. J. Chem. Tech. Res., vol. 1, pp. 859-864, 2009
M. Xiaojun, Y. Hongmei, Y. Lili, C. Yin, L. Ying, “Preparation, Surface and Pore Structure of High Surface Area Activated Carbon Fibers from Bamboo by Steam Activation,” Materials, vol. 7, pp. 4431-4441, 2014
B. Adesola, B. J. Oyebamiji, A. Joseph, A. John, O. Adebola, O. Kemi, O. Ayokunle, and O. Abidemi, “Batch equilibrium biosorption of Ni (II), Cr (III) and Co (II) from solution using Bitter leaf (Vernonia amygdalina): kinetics, isotherm, and thermodynamics,” Int. J. Chem. Biochem. Sci. vol. 3, pp. 101-109, 2013
J. Muazu, A. Abdulwoliyu, and G. T. Mohammed, “Design, Formulation and Evaluation of Bitter Leaf Tablets,” Int. J. Pharm. Sci. Res.vol. 4, pp. 1789-1795, 2013
N. O. Edwin, O. Jude, “Evaluation of the adsorption isotherm of activated charcoal used in pharmaceutical medicine from some Nigerian plant parts, corn cobs, the wooden parts of Mangifera indica and Azandirachta indica,” Adv. Med. Plant Res., vol. 1, pp. 72-76, 2013.
M. A. Rahman, M. Asadullah, M. M. Haque, M. A. Motin, M. B. Sultan, and M. A. K. Azad, “Preparation and characterization of activated charcoal as an adsorbent,” J. Surface Sci. Technol. vol. 22, pp. 133-140, 2006
F. Mahammediand B. Benguella, “Adsorption of methylene blue from aqueous solutions using natural clay,” J. Mater. Environ. Sci., vol. 7, pp. 285-292, 2016
M. A. Mohammed, G. Babagana, and K. H. Bitrus, “Production and Characterization of Activated Carbon from Groundnut Shell Sourced In Maiduguri,” Columban. J. Life Sci., vol. 17, pp. 18-24, 2015
Science Publishing Group
1 Rockefeller Plaza,
10th and 11th Floors,
New York, NY 10020
Tel: (001)347-983-5186