Hayet DJELAL completed her engineering degree in Sanitary Engineering at the National Polytechnic School of Algiers and completed her PhD in 1992 at the University of Rennes 1, France. In 2017, she directed a research project at Rennes 1 University. She has been a Professor at UniLasalle-Ecole des Métiers de l’Environnement, Campus de Ker Lann, France, since 1993. Her research is mainly related to bioprocess engineering, particularly chemical and bioprocesses development relating to the elimination of micropollutants and industrial wastewater. She also works on aerobic and anaerobic fermentation technologies. She has supervised eight PhD theses (concluded) and is currently supervising two PhD students and more than ten Master's students. She has published sixty-five articles in peer-reviewed scientific international journals, and she is an Associate Editor of one scientific journal. She has participated in and coordinated several scientific projects with external financial support and is involved in national and international collaborations. https://scholar.google.com/scholar?hl=fr&as_sdt=0%2C5&q=hayet+djelal&oq=