Anodically polarized surface for biofouling and scale control
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United States of America Patent
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Aug 24, 1982
Issued Date -
N/A
app pub date -
Feb 23, 1981
filing date -
Nov 24, 1978
priority date (Note) -
Expired
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Abstract
Biofouling and scale control in conductive aqueous systems is effected on metal, preferably valve metal such as titanium, surfaces on which such fouling normally occurs by applying thereto a stable electrocatalytic coating, anodically polarizing said valve metal coating such that essentially only oxygen is evolved at the surface thereof, preferably at a rate of at least about 4.66 millimoles per square meter per hour without evolution of any chlorine. Periodic current reversal is effected to forestall biofouling upon any cathode utilized in implementing the instant invention.
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