Process for the recovery of metals and hydrochloric acid

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United States of America Patent

PATENT NO 9889421
SERIAL NO

13579864

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Abstract

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A method for recovering hydrochloric acid and metal oxides from a chloride liquor is described. The method uses a chloride liquor including the metal and mixing the liquor and a matrix solution to produce a reaction mixture, wherein the matrix solution assists oxidation/hydrolysis of the metal with HCl production. In a preferred embodiment the matrix solution includes zinc chloride in various stages of hydration and an oxygen containing gas is added to the mix. A method where the improvement is the mixing of a liquor and a matrix solution where the solution assists hydrolysis of the metal with HCl production is also disclosed. The reactor is a column reactor in a preferred embodiment. Further disclosed is the method of using the matrix solution and a reactor for recovering hydrochloric acid and for oxidizing/hydrolysis of a metal.

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Patent Owner(s)

  • BRAV METAL TECHNOLOGIES INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harris, Bryn Montreal, CA 9 28
White, Carl Gaspe, CA 45 9734

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