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Process for the production of potassium sulphate and magnesium sulphate from carnallite and sodium sulphate
Process for the production of potassium sulphate and magnesium sulphate from carnallite and sodium sulphate
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机译:光卤石和硫酸钠生产硫酸钾和硫酸镁的工艺
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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 Cl2, KCl, NaCl; Separating the NaCl from the mixture; Obtaining a precipitant mixture of Leonite with KCl; Filtering said Leonite and washing with water to yield pure mixture of Leonite with KCl; Adding KCl to the Leonite with the KCl; and Decompose said Leonite with the KCl to SOP.
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