Eng. Mostafa Boukhris is a lecturer in the Department of Chemical and Materials Engineering at the College of Engineering in Arar, affiliated with the Northern Border University. He holds a Master's degree in Chemical Engineering, specializing in Clean Industrial Methods, from Aix-Marseille University in France. He was assigned to the department about 11 years ago and is currently teaching several theoretical and practical courses in the Chemical Engineering Program, including: Physical Chemistry for Engineers, Unit Operations, Heat Transfer, General Chemistry for Engineers, Separation processes, and Unit Operations Laboratory. In terms of current scientific research, he is interested in the field of thermal energy storage and recycling, specifically solar thermal energy storage in solid materials (sand, aluminum granules, rock gravel, etc.) using air fluidization technology.