METHOD OF OBTAINING CRYSTALLINE SUBSTANCES Russian patent published in 2014 - IPC B01D9/02 B01D33/03 

FIELD: chemistry.

SUBSTANCE: method includes crystallisation, further separation and drying of crystals with an application of vibration fluctuations in the range of fluctuation accelerations 20-70 m/s² and amplitude 2-5 mm, with separation of crystalline substances from a liquid phase being carried out by the supply of the suspension to filtering partitions, installed with a clearance one under another in a descending order of the cell size and performing directed fluctuations at an angle from 30° to 60° to horizontal.

EFFECT: invention makes it possible to obtain monodisperse fractions of crystalline substances of a specified granulometric composition, which results in an improvement of quality of the target crystalline products and increases efficiency of processes of drying and filtration, to eliminate additional operations of grinding or crushing.

3 dwg, 3 tbl, 3 ex