Generation of chlorine-chlorine dioxide mixtures

Details Generation of chlorine-chlorine dioxide mixtures Generation of chlorine-chlorine dioxide mixtures

1980-08-25

1982-04-13

Andrews, R. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204263, 204265, 204 1R, C25B 900

Patent

active

043246354

ABSTRACT:
An electrolytic generator is disclosed having two sealed compartments, separated by a cation exchange membrane, and having a cathode in one compartment and an anode in the other compartment. The cation exchange membrane is positioned directly in line between the anode and the cathode. The anode-containing compartment is provided with a bottom inlet for introduction of extra chlorine. A bypass flow line is provided between the anode and the cathode-containing compartments with a pump for circulating the solution from the cathode-containing compartment into the anode-containing compartment to control the pH therein. The anode-containing compartment is provided with a pH monitor to measure the pH adjacent to the anode and to operate the pump to pump the solution from the cathode-containing compartment to maintain a pH of about 1.8-5.0 in the anode-containing compartment. When the cell is filled with brine and energized, and the anode-containing compartment is maintained at pH 1.8-5.0 while bubbling chlorine therethrough, hydrogen is evolved from the cathode-containing compartment and a chlorine/chlorine dioxide mixture from the anode-containing compartment for use in bleaching or in treating bodies of water, such as, swimming pools, baths, reservoirs, sewage, etc.

REFERENCES:
patent: 3524801 (1970-08-01), Parsi
patent: 3654103 (1972-04-01), McRae

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