He is a specialist in analytical and industrial chemistry.He receivedso many awards and published more than 50 peer-reviewed papers (two of them in French) in Environmental Sciences, Green Chemistry, Synthesis Chemistry, Analytical Chemistry, Concrete, Ceramics, Paper Industry, Petrochemical, Extraction,Separation, Lithium-Ion Batteries, and Oral Chemistry. He is a partner in Advances in Cleaner Production Network and a member of the German Chemical Society e.V. (GDCh), Asian Chemical Society, and the American University of Beirut. He is a member Of the higher committee of the 6th International Workshop-Advance in Cleaner Production (Sao Paulo, Brazil (May 24th to 26th - 2017)) and in more than 20 Conference organizing committees. LoaiAljerf is in the Cambridge Scholars Publishing- Life Science Advisory Board and an editor of more than 50 journals and a reviewer for Top journals in Industry, Chemical Engineering, and Environmental Chemistry.