YJ-DSL series Mini Oil Refinery Machine to Make Clean Diesel from Used Oil can recycle different kinds of waste oil(including waste engine oil, motor oil, ship oil,tire oil, plastic oil, industrial lube oil,hydraulic oil, gear oil etc.)to clean diesel oil,the output diesel oil with flash point 60degree,Cetane index is about 54, and sulfur content is about 300-800ppm, you can add our solvent extraction machine to reduce the sulfur to 50-100ppm.but regarding the plastic oil and tire oil,the sulfur only can be reduced 75%-80%.the output diesel oil can be reused for generator,burner, ship or heavy machines, or construction machines directly.