Sodium Sulphate
Sodium sulphate is a common by-product of many chemical operations and can be recovered by evaporative crystallisation from aqueous solutions.
Related Technologies
Mechanical Vapour Recompression (MVR)
Multiple Effect Evaporator (MEE)
Recrystallisation
Value
- Broad range of feed compositions can be processed
- Product purity greater than 99.8%
- Narrow crystal size distribution with minimal fines
- High efficiency due to lower cooling water requirements
- High plant availability
Process
- Mechanical Vapour Recompression or Multiple Effect Evaporation depending on utility cost
- Cooling crystallisation of Glauber's salt
- Direct conversion of Glauber's salt to anhydrous in a melter
- Utilization of Glauber's salt route to minimize energy consumption
Flow Diagram
Pusher-Type Centrifuges
Tubes of a Heating Chamber
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