A process for the production of potassium sulphate and magnesium sulphate from carnallite and sodium sulphate

摘要

According to some embodiments there is provided a process for the recovery of SOP from Sulphate bearing mineral and Carnallite or Sylvenite, comprising: Dissolving Carnallite in water to obtain Sylvenite and high Magnesium Chloride brine; Adding Sodium Sulphate to said Carnallite to produce mixture of KainteLeonite, KCl and NaCl precipitant and brine containing Mg Cl