1. Department of Chemical Engineering, Faculty of Engineering and Technology, University of Ilorin, Ilorin, Nigeria
2. Department of Chemical Engineering, College of Engineering and Technology, Landmark University, Omu-Aran, Nigeria
3. Vicfold Chemical Co Ltd (Vicfold Recyclers), Ilorin, Nigeria
4. Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, Awka, Nigeria