6. Shaking crystallizers
6.1 The role of agitation
In a stirred crystallizer, the crystals must be suspended in the mother liquor, and there must be good circulation of the solution. This facilitates the transfer of liquid-solid matter, and accelerates the transfer of the heat generated during crystallization to the cooling surfaces. In general, excessive turbulence should be avoided, as this could lead to crystal abrasion and secondary nucleation.
There are three main families of stirrers used in crystallization processes
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Shaking crystallizers
Fluidized-bed crystallizers
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Bibliography
- (1) - ROSSITER (A.P.), DOUGLAS (J.M.) - Design and optimization of solids processes. - Chemical Engineering Research and Design, 64, Part 1 : a herarchical decision procedure for process synthesis of solids systems, p. 175-183. Part 2 : Optimization of crystallizer, centrifuge and dryer systems, p. 184-190....
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