CEDRATI Mohamed Elhadi, BOUHAOUCH Noureddine, SIFOUR Ziad ENC: Dr.MECHATI Fedia2026-02-262026-02-262025-07-16http://dspace.univ-skikda.dz:4000/handle/123456789/5894This study, conducted as part of a graduation thesis following a practical internshipat the RA2K TOPPING complex of the Skikda refinery, focuses on analyzingandimproving the performance of the atmospheric distillation column T103 to increasekerosene yield. The theoretical part covers distillation principles, the characteristics of Algerian condensate, and key operational parameters. The practical section relies onrealistic simulation using Aspen HYSYS software. The results confirmedtheeffectiveness of the optimized conditions in boosting kerosene recovery without compromising the quality of other products. The study concludes with technical recommendations suitable for industrial applicationenThesis