Abstract
AbstractTwo techniques for eliminating the unsiderable effect of anodic protection on installations connected to the protected equipment were tested. Model measurements were carried out in a 50% solution of sulfuric acid at 20°C with a type FeCr 18 Ni9 Ti stainless steel under potentiostatic conditions.The use of an insulating section in the critical range of potentials in the case of tubing passivation does not fully eliminate the increased corrosion due to anodic protection of a major piece of equipment. However, the undesirable effect can be eliminated entirely by installing secondary electrodes which pass electric current so as to set up the desired drop of potential.
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