A procedure for the preparation of potassium nitrate from calcium nitrate and potassium chloride (Machine-translation by Google Translate, not legally binding)

摘要

A process for the preparation of potassium nitrate from calcium nitrate and potassium chloride characterized in that in a first phase potassium nitrate is removed by cooling from a solution of calcium nitrate and potassium chloride; in a second phase the remaining mother liquor I is concentrated, after the separation of the potassium nitrate, the double salt KNO3.CaCl2.2H2O is separated by cooling, this double salt is separated from the mother liquor and it is conducted back to the first phase of the process. (Machine-translation by Google Translate, not legally binding)