PROCESS FOR THE PRODUCTION OF HCL GAS FROM CHLORIDE SALTS AND FOR THE PRODUCTION OF CARBOHYDRATES
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Feb 28, 2011
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Sep 2, 2008
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Abstract
A process for the co-production of gaseous HCl and a salt product comprising a cation and an anion, which process comprises the steps of a. providing an aqueous solution comprising protons, chloride anions, and cations and anions of the salt product, b. bringing the solution into contact with a substantially immiscible extractant, the extractant comprising: 1) an oil soluble amine, which amine is substantially water insoluble both in free and in salt form; and 2) a carrier solvent for the amine; whereupon HCl selectively transfers to the extractant to form an HCl-carrying extractant and a chloride depleted aqueous solution containing the salt product; c. separating the HCl-carrying extractant from the chloride-depleted aqueous solution; and d. distilling HCl from the separated HCl-carrying extractant to form gaseous HCl and HCl depleted extractant.
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