... , caused a variety of machine failures, and must be replaced (the price of oil is more expensive), so ... gasoline and diesel or lubricating oil, in terms of energy resources, environmental protection or recycle, or the view for ... oil, acid oil, heavy oil, lubricating , Alcohol, sulfonated oil, naphtha, paraffin, benzene, naphthalene, ketone.). Technological process:Take the crude oil through the oil ...