... down the number of unwanted oil. Now let's take a look at the following data:According to incomplete statistics:An ordinary ... a variety of abandoned animals and vegetable oils, acidification of oil, oil trench, waste oil, used lube oil. And all over ... , sulfonated oil, naphtha, paraffin, benzene, naphthalene, ketone.). Technological process:Take the crude oil through the oil pumped into the reboiler ...