Chemistry: electrical and wave energy – Processes and products
Patent
1992-07-21
1993-09-07
Niebling, John
Chemistry: electrical and wave energy
Processes and products
204101, C25B 126, C25B 114, C25B 122
Patent
active
052425533
ABSTRACT:
An aqueous solution of chloric acid and alkali metal chlorate is produced in an electrolytic cell having an anode compartment, a cathode compartment, and at least one ion exchange compartment between the anode compartment and the cathode compartment. The process comprises feeding an aqueous solution of an alkali metal chlorate to the ion exchange compartment, electrolyzing an anolyte in the anode compartment to generate hydrogen ions, passing the hydrogen ions from the anode compartment through a cation exchange membrane into the ion exchange compartment to displace alkali metal ions and produce an aqueous solution of chloric acid and alkali metal chlorate, passing alkali metal ions from the ion exchange compartment into the cathode compartment, removing the aqueous solution of chloric acid and alkali metal chlorate from the ion exchange compartment, and, increasing the concentration of chloric acid in the aqueous solution of chloric acid which is substantially free of anionic and cationic impurities to to provide a chloric acid concentration of 1.0 normal or greater.
REFERENCES:
patent: 3810969 (1974-05-01), Schlumberger
patent: 4683039 (1987-07-01), Twardowski et al.
patent: 4798715 (1989-01-01), Hardee et al.
patent: 4915927 (1990-04-01), Lipsztajn et al.
patent: 5084148 (1992-01-01), Kazcur et al.
Cawlfield David W.
Duncan Budd L.
Kaczur Jerry J.
Woodard, Jr. Kenneth E.
Igoe Patrick J.
Iskander F. A.
Niebling John
Olin Corporation
Piccone Louis A.
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