Ahmad Hussaini Jagaba is a Senior Lecturer in the Department of Civil Engineering, Abubakar Tafawa Balewa University, Bauchi, Nigeria. He obtained his B.Eng. from Abubakar Tafawa Balewa University, Bauchi; M. Eng. Civil Engineering from Universiti Tun Hussein Onn Malaysia (UTHM) and PhD in Civil Engineering (Environmental) from Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak Darul Ridzuan, Malaysia. He has authored and co-authored several articles that include research articles, review papers, conference papers, and book chapters in environmental engineering with special emphasis in physical/chemical and biological wastewater treatment, biomass conversion, sewage and industrial sludge and solid waste management. He is an Editor in the “International Journal of Sustainable Engineering (IJSE), Taylor & Francis, Guest Editor for the journal “Discover Sustainability Springer. He is also a reviewer for reputable journals in: Elsevier, Springer, MDPI, Wiley online etc. Dr. Shamsul Rahman Mohamed Kutty is working as a professor in the Civil Engineering Department at the Universiti Teknologi PETRONAS (UTP), Malaysia. He received his PhD degree from the University of Memphis, TN, United States. He has worked with UTP for more than 20 years. Throughout the years, he has been involved in research and consultancies related to environmental management systems, water quality, wastewater treatment, and solid waste management for biogas generation. Dr. Mohamed Hasnain Isa obtained his BSc Eng (Civil) and MSc Eng (Environmental & Water Resources) degrees from the Aligarh Muslim University, India. He completed PhD (Environmental Eng) from the University of Newcastle upon Tyne, England. Dr. Hasnain has held various academic positions in India and Malaysia. He is currently the Assistant Vice Chancellor (Research and Innovation) and a Professor at the Universiti Teknologi Brunei, Brunei Darussalam. Prof. Hasnain’s research emphasis is on the treatment of wastewater with the aim of achieving resource efficiency and advance sustainability. His research focusses on energy recovery through removal of organic matter and degradation of recalcitrant compounds. Dr. Abdullahi Haruna Birniwa is working as a senior lecturer in the Department of Chemistry at Sule Lamido University, Kafin Hausa, Jigawa State of Nigeria. He[CE11] holds PhD degree in polymer chemistry from Bayero University, Kano and the University Malaya in Malaysia in 2019, MSc degree in color chemistry from Bayero University, Kano in 2013, and his BSc degree in applied chemistry from Usmanu Danfodiyo University, Sokoto in 2008. [CE11]Please check the edits made in the sentence “He holds PhD degree in polymer chemistry …. for correctness and amend as necessary.