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Method of electrolysis of brine

  • US 3,954,581 A
  • Filed: 07/22/1975
  • Issued: 05/04/1976
  • Est. Priority Date: 07/22/1975
  • Status: Expired due to Term
First Claim
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1. In a method of electrolyzing alkali metal chloride brine in a diaphragm cell having an anolyte chamber containing an anode and a catholyte chamber containing a steel cathode, which method comprises feeding the brine to the anolyte chamber, and imposing a voltage across the cell whereby to evolve chlorine at the anode and hydrogen at the cathode, the improvement comprising feeding an hydroxy carboxylic acid chosen from the group consisting of alpha hydroxy carboxylic acids and aromatic hydroxy carboxylic acids and water soluble salts thereof and a phosphorous containing organic compound chosen from the group consisting of organic phosphonates and water soluble salts thereof to the cell.

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