... is: Catalyzing treatment of waste lube oil (including gasoline engine oil,diesel engine oil ect. almost all sorts of recyclable waste oil), and ... not change color and no odour.4,Low processing cost; 5,High regeneration rate; IV. Main parts of the equipment:1 ... pump,cooling water reservoir,first stage cooler,second stage cooler;5,Vacuum system:vacuum cooler,vacuum water tank,vacuum pump set ...