... kg = 100 tonsMonthly large cars produce waste oil 15 kg * 30,000 = 450,000 kg = 450 tonsBesides: a variety of large-scale machinery ... and vegetable oil, acid oil, heavy oil, lubricating , Alcohol, sulfonated oil, naphtha, paraffin, benzene, naphthalene, ketone.). Technological process:Take the crude oil through the oil pumped into ...