Potassium fluotitanate manufacture and device background
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United States of America Patent
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Jan 30, 2018
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app pub date -
Jul 29, 2010
filing date -
Apr 2, 2010
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Abstract
The invention provides a Potassium Fluotitanate (K2TIF6) manufacture process. The Potassium Fluotitanate (K2TIF6) manufacture process includes steps: A. providing titanium ferrum powder to a reaction furnace and adding HF and peroxide solution to react with the titanium ferrum powder sufficiently to manufacture H2TiF6, B. filtrating the sufficiently mixed solution of step A and adding it to another reaction furnace, and then after the H2TiF6 cools off, adding Potassium Chloride (KCl) solution to react with the mixed solution to manufacture Potassium Fluotitanate (K2TiF6); C. adding K2CO3 solution to the remaining solution of step B and react with the remaining solution and controlling the pH value, the element Fe is recycled by a form of Fe(OH)3 flocculent precipitate and the Potassium Chloride (KCl) and KF solution are recycled. This invention has these advantages: adding peroxide to the titanium ferrum powder can oxidize Fe2+ into Fe3+ and adding K2CO3 solution to clean element Fe out by a form of Fe(OH)3 flocculent precipitate, and the hydrofluoric acid (HF) can be recycled which can realize the HF zero polluting discharge.
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