Chien Hwa Chong holds a PhD in Engineering from University of Nottingham Malaysia. He is a Professional Engineer registered with the Board of Engineers Malaysia, a Chartered Member of IChemE and a Chartered Engineer registered with Engineering Council (UK). He works as an Associate Professor in the Department of Chemical and Environmental Engineering, University of Nottingham Malaysia. Rafeah Wahi holds a PhD in Environmental Engineering from Universiti Putra Malaysia. She is an Associate Professor in Faculty of Resource Science and Technology, Universiti Malaysia Sarawak. She is a member of Malaysian Analytical Sciences Society (ANALIS). Chee Ming Choo holds a Master of Engineering Science in Environmental Engineering from Griffith University Australia. He is a Senior Lecturer in the Department of Chemical Engineering, SEGi University, Malaysia. He is a Professional Engineer registered with the Board of Engineers Malaysia and a Chartered Professional Engineer with Engineers Australia. Shee Jia Chew holds a Master of Engineering degree in Chemical Engineering with specialization in Oil and Gas Technology from Heriot-Watt University Malaysia. She is an engineer registered with the Board of Engineers Malaysia, IChemE (UK) and the Institute of Engineers Malaysia. She works with a waste-to-energy company in Singapore. Malaysia. Mackingsley Kushan Dassanayake is a postgraduate research student reading for his PhD in Pharmacy at University of Nottingham Malaysia. His research expertise is related to antimicrobial drug discovery.