Modern technologies of preparation and primary processing of oils, and also questions of modernisation and reconstruction of corresponding options, are considered. Recommendations are given on a choice and ground of assortment of the got foods on the options of ЭЛОУ-АВТ. The variants of blocks of options of ЭЛОУ-АВТ are shown. Given to recommendation upon settlement of material balances of blocks of ЭЛОУ and АВТ, fractionators| to the choice of construction and calculation электродегидраторов, отбензинивающей and basic atmospheric columns| to the economic ground of building, exploitation and reconstruction of options of ЭЛОУ-АВТ| to the construction of curves ИТК, molar mass, closeness and other physical and chemical properties of oils, curves ИТК and lines of ОИ of petroleum factions at atmospheric and enhanceable pressures and under a vacuum. For the students of chemical-technological directions of preparation. It can be useful to the specialists in area of oil processing.