*Crude Distillation Unit (CDU) DOI: http://dx.doi.org/10.5772/intechopen.90394*

**Figure 5.** *Technical schema of electrostatic desalter design.*

**Figure 6.** *The simplified work description of electrostatic desalter.*

**Figure 7.** *Two-stage desalting flow processing of crude oil.*

is 140 tons/h. The program used in our modeling is Mathcad, to calculate the material balance and mechanical calculations of electrostatic desalter. The characteristics of the feedstock are presented in **Table 1** [27, 28].
