Anodically polarized surface for biofouling and scale control

Details Anodically polarized surface for biofouling and scale control Anodically polarized surface for biofouling and scale control

1978-11-24

1981-03-17

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C23F 1300

Patent

active

042565561

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 only oxygen is evolved at the surface thereof, preferably at a rate at least about 4.66 millimoles per square meter per hour without evolution of any chlorine.

REFERENCES:
patent: 3102086 (1963-08-01), Cotton
patent: 3412000 (1968-11-01), Bedi
patent: 3442779 (1969-05-01), Hoey
patent: 3632498 (1972-01-01), Beer
patent: 3751296 (1973-08-01), Beer
patent: 3798142 (1974-03-01), Evans
patent: 3846273 (1974-11-01), Bianchi et al.
patent: 4005003 (1977-01-01), Popplewell et al.
patent: 4056142 (1977-11-01), Baumann
patent: 4108745 (1978-08-01), Cipris et al.
patent: 4196064 (1980-04-01), Harms et al.
Mantell, "Electrochemical Engineering", 4th ed., 1960, pp. 53-59, 248-254.

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