Method of operating an electrolytic cell

Details Method of operating an electrolytic cell Method of operating an electrolytic cell

1982-05-10

1983-04-05

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204128, C25B 116, C25B 126

Patent

active

043790356

ABSTRACT:
Discloses a method of operating a chlor-alkali cell having a low hydrogen overvoltage cathode and exposed high hydrogen overvoltage metal structure within the cathode compartment, where a composition of sodium nitrite and sodium benzoate is added to the catholyte to avoid corrosion of the exposed, high hydrogen overvoltage metal.

REFERENCES:
Wormwell & Mercer, "Sodium Benzoate and Other Metal Benzoates as Corrosion Inhibitors in Water and in Aqueous Solutions," J. Appl. Chem., vol. 2, pp. 150-160, Mar. 1952.
Wormwell & Mercer, "Sodium Benzoate and Sodium Nitrite as Corrosion Inhibitors in Ethylene Glycol Anti-Freeze Solutions, I. Laboratory Investigations," J. Appl. Chem., vol. 3, pp. 22-27, Jan. 1953.

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