Process for the production of potassium sulphate and magnesium sulphate from carnallite and sodium sulphate

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11306033
APP PUB NO 20190359535A1
SERIAL NO

16468380

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Abstract

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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 Kainte\Leonite, 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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Patent Owner(s)

Patent OwnerAddress
DEAD SEA WORKS LTD84100 BEER SHEVA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abu, Rabeah Khalil Beersheba, IL 6 3
Cohen, Ofir Arad, IL 14 70
Geinik, Natalia Arad, IL 14 14
Lati, Joseph Lehavim, IL 4 2
Vizenberg, Einat Arad, IL 1 0

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