Separation of calcium from metal compounds

摘要: A method of separating calcium from mixtures metal oxides, sulfides, nitrates and carbonates. Particulate containing are leached with nitric acid to form nitrate nitrates, which heated dryness while not affecting the nitrate. The resulting mixture is then water obtain a leachate residue low solubility oxides insoluble oxides. If desired, can be decomposed lime product.