Theoretical description of modification membrane surfase when applying the velocity layer

Theoretically study and modeling of the formation of the modifying layer on the membrane surface. Methods.Membrane modification process is a fairly complex set of physical and chemical processes associated with mass transfer. Result. The paper presents mathematical modeling of mass transfer processes in the formation of modifying the dynamic layer on the membrane surface, shows an approximate estimate of the formation of a dynamic layer by introducing a membrane-forming additives and a theoretical description of the process. Scientific novelty. The main dependence and shows controlling factors for generating modified dynamic layer on the membrane surface. Practical significance. Understanding the mechanism of dynamic layer allows you to manage the process of change in the properties of the membrane to give it the necessary characteristics of permeability.