When operators ask about the "core engine" of a waste oil to diesel distillation plant, they usually point to the reactor or the burner. But a reactor simply applies heat. The true core engine—the component that determines quality, recovery rate, and uptime—is actually two systems working in perfect harmony: The Fractionating Column and the Vacuum Ejector System. https://www.purepathtech.com/waste-oil-to-diesel-plant