Adaptation of the diffusion mathematical model to describe process microfiltration process fluids food production

The article shows the possibility of adapting a one-parameter diffusion model to the membrane separation process by taking into account the permeability of one of the walls of the channel of rectangular cross section under consideration. The structure of the hydrodynamic flow is studied, which allows determining the behavior of the solute concentration field on the membrane surface and evaluating the effectiveness of the measures used to reduce the concentration polarization using hydrodynamic methods due to velocity variations. Investigations of the process of microfiltration of unfiltered unpasteurized beer were carried out on an experimental installation of flow microfiltration. The microfiltration of beer under the flow-through mode of the organization of the process was carried out at the following technological parameters: temperature 2-60 °C, working pressure 0.08-0.25 MPa, speed of the divided flow above the membrane surface 2-3 m/s. The study of hydrodynamics of membrane processes, in view of their highest complexity and specificity, makes it possible today to create a theoretical description in general form and only for one phase or component...