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Lime Soda Document

May 18, 2012nbsp018332The lime may be in the form of quicklime CaO or hydrated lime CaOH 2, also called slaked lime. Soda Ash is Na 2 CO 3 . Calcium ions are removed be bringing the pH level up enough to convert CaHCO 3 2 to CaCO 3 , which is relatively insoluble in water and precipitates out down to a residual level of about 30 to 40 mgL. Magnesium is ...

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