The purpose of the study was theoretical sub- stantiation of the parameters of wet cleaning of waxy materials from beebread by dissolving them by intensive mechanical stirring of crushed bee honeycombs in water. The basis for building the model was made by the main ideas of the latest film-penetration theory, determining the mass trans-fer equations for dissolving solid particles in a liq- uid. The results of numerical simulation showed that the mass transfer coefficient increased mono- tonically with increasing in the intensity of hashing. In accordance with accepted model with given initial parameters, the highest rate of increase in the mass transfer coefficient was observed when mixing inten- sity changed from 0 to 2500 W/m3, then the growth slowed down. At the time of complete dissolution of solid dispersed component (pollen) a significant ef- fect was made by initial particle size distribution. If mixing intensity was 10,000 W/m3 and the mass transfer coefficient was 1.025·10-5 m/s, beebread hinge plate consisting of the particles with an initial average size of 2 mm completely dissolved after 300-350 seconds, whereas for complete dissolu- tion of large fractions of crushed material it took more than 10 minutes. It was theoretically estab- lished that increasing the intensity significantly re- duced the time for complete dissolution. With a val- ue of 19,000 W/m3, the hitch sample consisting of particles with an average size of 3.8 mm completely dissolves in less than 10 minutes. The research results can be used in the design of mixing devices, in particular devices for cleaning wax raw materials
honeycombs, wax raw materials, wax, beebread, cleaning, mixing, intensity, dissolu-tion
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