1. a Ethiopian Institute of Water Resources, Addis Ababa University, Addis Ababa, Ethiopia
2. b Chemical and Biochemical Engineering, Addis Ababa University, Addis Ababa, Ethiopia
3. c Bio and Emerging Technology Institute, Addis Ababa, Ethiopia
4. d Department of Chemistry, College of Natural and Computational Sciences, Haramaya University, Haramaya, Ethiopia