**Author details**

Chigozie Francolins Uzoh\* and Stone Raphael Odera Chemical Engineering Department, Faculty of Engineering, Nnamdi Azikiwe University, Awka, Nigeria

\*Address all correspondence to: uzoh@unizik.edu.ng

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
