Long lasting anode for high current density galvanization
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United States of America Patent
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May 9, 1989
Grant Date -
N/A
app pub date -
Dec 16, 1987
filing date -
Dec 19, 1986
priority date (Note) -
Expired
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Abstract
A dimensionally stable anode for high-speed galvanizing processes comprising a plurality of substantially parallel, foraminous layers, in electrical contact with each other, each layer comprising an inert, electroconductive substrate with an oxygen evolving electrocatalytic coating, characterized in that the current density of each individual layer is substantially the same and does not exceed the value corresponding to the minimum desired lifetime of the anode. The number of layers is sufficient to provide the total current density required for the high-speed galvanizing. The anode further comprises spacers suitable for preventing short-circuits.
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