... of oil, oil trench, waste oil, used lube oil. And all over the use of oil refineries, chemical plants, fertilizer, urea plant, coking plant by- ... air Crude oil Oil pump Reboiler Fractionator Condenser Oil tank Gasoline/Diesel Hot stove Water block seal Air storage tank Vacuum e. ... Production process:1. Add special catalyst into waste oil and pyrolysis under suitable ...