... distillation.after pretreatment,waste oil pumped into the distillationKettle,heati to working temperature,can get the base oil ,gasoline and diesel ... ,gasoline and diesel.Recovery rateBase oil:85%~87%(index similar to SN150~SN200)Gasoline :about 3%diesel:about 3%Oil residue ... process is all sealed,won’t release any gas harmful to human and environment,the colloid and asphalting,carbon black in ...