Dr. Mejdi Jeguirim is a Professor at the University of Haute Alsace (France) in the field of energy, process engineering, and kinetics modelling. He has co-authored more than 200 referred international journal papers in his research field and is a member of the editorial boards for the following international journals: Energy, Energies, Energy for Sustainable Development, Biofuels, International Journal of Green Energy. He is involved as a scientific expert for more than 50 international scientific journals as well as for several national and international research programs. He has received the French National Research Excellence Award for researcher with high level scientific activity for the 2009-2012, 2013-2016, 2017-2020 and 2021-2024 periods. Dr. Jeguirim integrated the World’s Top 2% Scientists ranking established by Stanford University, in 2019. Dr. Besma Khiari is a Professor at the University of Carthage (Tunisia) in the field of energy and environment processes, applied mainly to wastes. Recovery from urban, agricultural and industrial wastes is the main objective of the different papers, books, academic supervisions and industrial projects, she took part in. Her expertise in the area best met the needs and expectations of professionals such as engineering companies, design offices, health services, environmental businesses and units.