C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/57.1
C25B 1/46 (2006.01)
Patent
CA 1184146
TITLE Improved Cathode, Method for Making Same, and Method for Lowering Hydrogen Overvoltage in a Chlor-alkali Cell ABSTRACT OF THE DISCLOSURE The invention comprises an improved cathode for a chloralkali cell having grains of alpha-iron adherent to the surface of the cathode, and a process for making the cathode which comprises depositing grains of alpha- iron onto the surface of an electrically conductive cathode substrate in an electrical cell. The invention also provides a method for lowering the operating voltage of a chloralkali electrolysis cell which comprises adding iron particles to the cathode compart- ment of the cell.
443854
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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