1. Flow Process and Rheology Center, Cape Peninsula University of Technology, Cape Town, 8000, South Africa
2. Department of Chemistry, Faculty of Applied Sciences, Cape Peninsula University of Technology, Cape Town, 8000, South Africa
3. Department of Environmental Health and Occupational Studies, Faculty of Applied Sciences, Cape Peninsula University of Technology, Cape Town, 8000, South Africa
4. Department of Environmental Management and Toxicology, Faculty of Life Sciences, University of Benin, Benin City, 3002, Nigeria