In contrast, both Israel and Jordan produce potash from the Dead Sea by using evaporation pans to further concentrate the brine until carnallite precipitates, dredging the carnallite from the pans, and processing to remove the magnesium chloride from the potassium chloride.
22.
In contrast, both Israel and Jordan produce potash from the Dead Sea by using evaporation pans to further concentrate the brine until carnallite precipitates, dredging the carnallite from the pans, and processing to remove the magnesium chloride from the potassium chloride.
23.
None of the alkaline earth metals are found in their elemental state, but magnesium and calcium are found in many rocks and minerals : magnesium in carnallite, magnesite, and dolomite; and calcium in chalk, limestone, gypsum, and anhydrite.
