57 ABSTRACT Related US. Application Data I An improved anode for the electrolysis of brmes is comprised commuatlon'm'pal'l of 786,438, of a corrosion resistant valve metal substrate, a thin porous ad- 1968 herent exterior coating of a refractory oxide which is inert to the electrolysis cell environment, and between the substrate Ls. F and exterior coating a layer of ruthenium oxide [51] Int. Cl ..B0lk3/04 [58] Field of Search .204/290 F 5 Claims, No Drawings the electrolysis of an aqueous solution of sodium chloride. in
such cells graphite anodes are usually used commercially. Although the graphite anodes are not entirely satisfactory because their wear rates are high and impurities suchas C:
are introduced in the products, 'no satisfactory substitutes have yet been found.
57 ABSTRACT Related US. Application Data I An improved anode for the electrolysis of brmes is comprised commuatlon'm'pal'l of 786,438, of a corrosion resistant valve metal substrate, a thin porous ad- 1968 herent exterior coating of a refractory oxide which is inert to the electrolysis cell environment, and between the substrate Ls. F and exterior coating a layer of ruthenium oxide [51] Int. Cl ..B0lk3/04 [58] Field of Search .204/290 F 5 Claims, No Drawings the electrolysis of an aqueous solution of sodium chloride. insuch cells graphite anodes are usually used commercially. Although the graphite anodes are not entirely satisfactory because their wear rates are high and impurities suchas C:are introduced in the products, 'no satisfactory substitutes have yet been found.
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