Electrochemical system, apparatus and method to generate metal hydroxide in the presence of metal silicates
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United States of America
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Apr 1, 2025
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Nov 4, 2021
app pub date -
Apr 28, 2021
filing date -
Apr 28, 2021
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Abstract
An apparatus and method are provided for the electrochemical production of hydrogen, oxygen and metal hydroxide wherein the metal is derived from a metal silicate. The process involves the electrolysis of a metal salt solution where hydrogen and a metal hydroxide are produced at the cathode, and oxygen, or chlorine, and an acid are produced at the anode. The acid is reacted with a metal silicate producing a soluble metal salt and water that is used in turn to make solid or dissolved metal hydroxide. The net CO2 and acid gas emissions of the invention and its products may therefore be significantly reduced or turned negative.
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