Shrikaant Kulkarni, Cristina Trois, India) Kulkarni, Shrikaant (Research Professor, Faculty of Engineering & Technology, Sanjivani University, Kopargaon, South Africa) Trois, Cristina (Professor, Environmental Engineering, University of KwaZulu-Natal (UKZN), Durban, South Africa; South African Research Chair in Waste and Climate Change (SARCHI), University of KwaZulu-Natal (UKZN), Durban