Sodium Chloride Purification by Recrystallisation
The purification of rock or solar salt through recrystallisation is an energy efficient way to produce high quality vacuum salt.
Related Technologies
Thermal Vapour Recompression (TVR)
Mechanical Vapour Recompression (MVR)
Multiple Effect Evaporator (MEE)
Flash Evaporation / Crystallisation
Value
- High product purity at low capital cost (no brine purification is required)
- High degree of fluctuations in raw salt composition is acceptable with minimum impact on product quality
- High energy efficiency and lower operating cost
- Longer operating cycle due to design that reduces scale formation
Process
- MEE or MVR can be employed
- Proprietary design allows for more robust solid-liquid separation
- Non-scaling heat transfer characteristics
Flow Diagram
Pusher-Type Centrifuge
Elbow-Type Circulation Pump
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