... pretreatment,waste oil pumped into the distillationKettle,heati to working temperature,can get the base oil ,gasoline and diesel we required ... make the oil in the kettle up to the working temperature.this system equipped with stirring system and insulation system. Cooling ... impurities in the base oil,gasoline and diesel,get the high quality base oil,gasoline and diesel.Recovery rateBase oil:83%~85 ...