公开(公告)号：US11306033B2

公开(公告)日：2022-04-19

申请号：US16468380

申请日：2017-12-15

Applicant: Dead Sea Works Ltd.

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

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

Abstract: 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.

公开(公告)号：US10988419B2

公开(公告)日：2021-04-27

申请号：US16343900

申请日：2017-10-23

Applicant: Dead Sea Works Ltd.

Inventor： Khalil Abu Rabeah ,  Ruben Socolovsky ,  Natalia Geinik ,  Ayoub Alhowashla ,  Joseph Lati

IPC: C05G5/12 ,  C05D1/00 ,  C05G3/20

Abstract: According to some demonstrative embodiments, there is provided herein a fertilizer granule including a fertilizer dust and one or more binders wherein said granule comprises a single strength of at least 2.5 kg/gran and a single strength after humidity chamber 24 hours, 79% RH of at least 0.5 kg/granule.