公开(公告)号：US10450239B2

公开(公告)日：2019-10-22

申请号：US15559424

申请日：2017-03-22

Applicant: Dead Sea Works Ltd.

Inventor： Ruben Socolovsky ,  Ofir Cohen ,  Natalia Geinik ,  Khalil Abu-Rabeah

IPC: B01J2/00 ,  C05G3/00 ,  C05D9/00 ,  C05F11/00 ,  C05D9/02 ,  C05D1/02 ,  C05C1/00 ,  C05C9/00 ,  C05D1/00 ,  C05F3/00 ,  C05B7/00 ,  C05F1/00 ,  C05C11/00 ,  C05B1/02 ,  B01J2/22 ,  C05C5/02 ,  C05B1/04 ,  C05C1/02 ,  C05C3/00 ,  C05D3/02

Abstract: According to some demonstrative embodiments, there is provided herein a spherical fertilizer granule having a specific gravity of more than 1.94 g/cm2 and less than 3% porosity.

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.