A method for recovering potassium chloride from a natural deposit containing sodium and potassic chloride (Machine-translation by Google Translate, not legally binding)

摘要

A method for recovering potassium chloride from a natural deposit containing sodium chloride and potassium chloride, which comprises establishing a cavity in said deposit by feeding an aqueous extraction material thereto characterized by the fact that the size of the cavity it is increased by reducing the pressure of the aqueous extraction material therein. (Machine-translation by Google Translate, not legally binding)