Method for preparing a salt, particularly potassium...

Details Method for preparing a salt, particularly potassium... Method for preparing a salt, particularly potassium...

C - Chemistry, Metallurgy

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D

C01D 3/08 (2006.01) C01B 35/12 (2006.01) C01D 5/00 (2006.01) C01D 7/00 (2006.01) C01F 5/30 (2006.01) C01F 5/40 (2006.01)

Patent

CA 2237425

A method for preparing a salt, particularly potassium chloride, by leaching a salt formation with an injected brine solution, and separating salts from the saturated solution by cooling said solution to the eutectic point temperature, recycling the hydrates and crystal mixtures, separating out the crystals, and reinjecting the remaining brine solution.

L'invention concerne un procédé d'obtention de sel, notamment de chlorure de potassium, par lixiviation d'une formation salifère par injection d'une solution salée, et la séparation de sels de la solution saturée par refroidissement de cette solution à la température du point eutectique, recyclage des hydrates et des mélanges de cristaux, séparation des cristaux, et réinjection de la solution salée restante.

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