Gases (petroleum), heavy distillate hydrotreater desulfurization stripper off; Refinery gas (complex combination stripped from heavy distillate hydrotreater desulfurization process liquid product, consisting of hydrogen, hydrogen sulfide, petroleum heavy distillate hydrotreater off-gas)
Gases (petroleum), hydrogen absorber off; Refinery gas (complex combination obtained by absorbing hydrogen from a hydrogen rich stream, consisting of hydrogen, carbon monoxide, nitrogen, methane with small amounts of C2 hydrocarbons)
