1. Crystallization

2. Crystallization

3. Mechanism of Crystallization
Supersaturation
Nucleation
Crystal Growth
Crystal
Non equilibrium
Equilibrium

4. Supersaturation of the Solution

5. Nucleation

6. Crystal Growth

7. Crystallization Processes

8. Crystallizers

9. Vacuum Crystallizer

10. Vacuum Crystallizer- Construction & Operation

11. Vacuum Crystallizer- Construction & Operation
Figure: Simple vacuum
crystallizer.
A= crystallizer body
C= vapor outlet
D= discharge pipe
E= product pump
F= propeller stirrers
G= sight glass
H= condenser

12. Vacuum Crystallizer- Construction & Operation

13. Miers Supersaturation Theory

14. Miers Supersaturation Theory
Figure: Mier’s supersaturation
theory: AB, normal solubility curve;
FG, super-solubility curve; CDE,
path of solution on cooling

15. Miers Supersaturation Theory

16. Limitations of Miers Theory

17. Factors Affecting Crystallization

18. Thank You