... by-products (waste) such as: alcohol, sulfonated oil, naphtha, paraffin, benzene, naphthalene, and so ... waste oil, all kinds of 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 ...