a.Process fue oil,ngine oil,crude oil into diesel oil b.National patents in this equipment ... by-products (waste) such as: alcohol, sulfonated oil, naphtha, paraffin, benzene, naphthalene, and so one can directly into fuel oil, the ... oil, lubricating , Alcohol, sulfonated oil, naphtha, paraffin, benzene, naphthalene, ketone.). Technological process:Take the crude oil through the oil pumped into the ...