The sample from water of U romia lake as a
source of Magnesium and Potassium was selected. After fractional crystallisation, the quality of residue solutions and solid crystals resulted from different treatments have been studied. According to this study,
after three times fractional Crystallisation on primary
sample and by taking different samples during the experiment and evaporation of residue water from final liquid solution, a mixture of salt with considerable amount of Magnesium and Potassium were produced. For commercial and industrial uses these products proved to be valuable.
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