alexa Meta-Xylene Removal from Aqueous Solution Using Surfact
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
Open Access

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Research Article

Meta-Xylene Removal from Aqueous Solution Using Surfactant-Modified Bentonite: A Kinetic View

Chidi Obi* and Michelle Abonele Apemiye

Department of Pure and Industrial Chemistry, Faculty of Science, University of Port Harcourt, Rivers State, Nigeria

*Corresponding Author:
Chidi Obi
Department of Pure and Industrial Chemistry
Faculty of Science, University of Port Harcourt
Rivers State, Nigeria
Tel: +234-8036682351
E-mail: [email protected]

Received Date: January 3, 2017 Accepted Date: February 9, 2017 Published Date: February 20, 2017

Citation: Obi C, Apemiye MA (2017) Meta-Xylene Removal from Aqueous Solution Using Surfactant-Modified Bentonite. J Chem Eng Process Technol 8: 323. doi:10.4172/2157-7048.1000323

Copyright: © 2017 Obi C, 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.



The bentonite used was a natural calcium bentonite from Enugu State, Nigeria. This was treated with Na2CO3 by ion exchange method to form a sodium bentonite described as unmodified bentonite (UB). Unmodified bentonite was treated with cetyltrimethylammonium bromide (CTAB) to produce a modified bentonite (MB). The performance of unmodified bentonite (UB) and modified bentonite (MB) were evaluated for the sorption of meta-xylene from aqueous solution. The resultant materials were characterized using kinetic model equations. The optimum contact time for the adsorption of meta-xylene was 120 minutes with a maximum percentage removal of 96.82 % for the modified adsorbent. Pseudo-second order equation gave the best correlation coefficient value (R2) of 0.999 for the adsorption of meta-xylene on the modified bentonite (MB). These results obtained confirmed the efficiency and effectiveness of modified bentonite in the removal of petroleum wastes.


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