The Nigerian Research Journal of Engineering and Environmental Sciences (RJEES) is an international journal published by the Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria.The journal provides a platform for the dissemination of novel research findings and state of the art experimental investigations. The journal is aimed at encouraging research with a view to providing information on problem solving to the immediate geographic regions and the international community. RJEES adopts the open access model of publication by considering research as a collaborative effort between authors, reviewers, editors and readers. The scope of the journal includes (but not limited to) the areas of Engineering, Environmental Sciences, Pure and Applied Sciences, Information and Communication Technology. The journal invites original research papers (not previously published or currently under consideration for publication in another journal) as well as reviews on current subjects of interest. All manuscripts are subjected to rapid double blind review by experts in the field and those of high quality are published without delay after consideration of the reviewer’s report by the Editor-in-Chief.