Fischer-Tropsch product as a co-feed for refinery hydrocracking unit

► Adding of Fischer-Tropsch (FT) product into petroleum vacuum distillate. ► Hydrocracking at 390, 410 and 430 °C. ► Distillation of the primary products and evaluation of all products obtained. ► FT product in the feed decreased density and sulfur content in all products. ► FT product improved cetane index of diesel.