C - Chemistry – Metallurgy – 01 – D
Patent
C - Chemistry, Metallurgy
01
D
23/99
C01D 5/02 (2006.01) C01B 17/96 (2006.01)
Patent
CA 1262812
Abstract of the Disclosure A procedure is described for the production of potassium sulfate from potassium chloride using an anion exchanger charged with sulfate ions; according to the procedure a reaction solution consisting of a saturated potassium chloride solution is saturated with potassium sulfate and then brought into intensive contact with the exchanger from which it is then separated once more; the crystals formed in the solution are then separated from it while the spent anion exchanger is regenerated by bringing it into intensive contact with a magnesium sulfate solution and/or sodium sulfate solution.
526829
Peuschel Gerd
Vajna Sandor
Gowling Lafleur Henderson Llp
Kali Und Salz Aktiengesellschaft
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