... , acidification 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-products (waste ... waste animals 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 ...