公开(公告)号：US11306033B2

公开(公告)日：2022-04-19

申请号：US16468380

申请日：2017-12-15

申请人： Dead Sea Works Ltd.

发明人： Joseph Lati ,  Khalil Abu Rabeah ,  Ofir Cohen ,  Einat Vizenberg ,  Natalia Geinik

IPC分类号： C05D1/02 ,  C01D5/12 ,  C01D5/16 ,  C05D1/04

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 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.