... which does not contain a variety of abandoned animals and vegetable oils, acidification of oil, oil trench, waste oil, used ... naphtha, paraffin, benzene, naphthalene, ketone.). Technological process:Take the crude oil through the oil pumped into the reboiler, in a ... .Specific process as follows:Water desulfurization dust clean air Crude oil Oil pump Reboiler Fractionator Condenser Oil tank Gasoline ...