Use of gas depolarized anodes for the electrochemical production

Details Use of gas depolarized anodes for the electrochemical production Use of gas depolarized anodes for the electrochemical production

1984-12-10

1986-01-28

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

C25B 300

Patent

active

045669570

ABSTRACT:
Gas depolarized anodes used in the electrohydrodimerization of acrylonitrile to adiponitrile result in anode voltage requirements of less than about 400 millivolts at 100 milliamperes per square centimeter of electrode area. Typically, oxygen evolving anodes characterized by high theoretical voltages and high overvoltages are utilized in the hydrodimerization of acrylonitrile to adiponitrile. Gas depolarized anodes requiring substantially reduced voltages perform well in the conventional electrochemical adiponitrile production environment.

REFERENCES:
patent: 3661739 (1972-05-01), Tomilov et al.
patent: 3682793 (1972-08-01), Seko et al.
patent: 4132619 (1979-01-01), Klein et al.

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