Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1983-01-17
1984-07-03
Tung, T.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204197, 204284, C23F 1300
Patent
active
044578210
ABSTRACT:
Cathodic protection apparatus employs a grid-type or rod-type anode secured within an electrically insulating tube disposed within an inlet-outlet pipe entering the vessel, the pipe comprising the gross bare area. The vessel is well coated but yet contains minute flaws or bare areas to expose underlying metal, typically steel, to the corroding electrolyte, typically water, contained within the vessel. By maintaining a negative vessel-to-water potential between 0.85 and 1.10 volts as measured between the well coated vessel surface and a saturated copper-copper sulfate reference electrode placed in the water adjacent the coated vessel surface, good corrosion control at the minute flaws is readily effected.
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Kaiser Paul
Sudrabin Leon P.
Pennwalt Corporation
Tung T.
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