Olen L. Riggs

Equipment for Anodic Protection

A typical anodic protection installation in a tank is sketched in Figure 2–9. Figure 2–12 illustrates a heat exchanger that is built with anodic protection as an integral part. Both diagrams show the equipment necessary for anodic protection: cathode and reference electrodes, potential controller, and power supply. This chapter describes the characteristics of this equipment and surveys the systems discussed in the literature, as well as some in the personal experience of the authors.

Potentiostatic cleaning and conditioning of the cathodes used in electrodeposition cells

A new technique for the automatically controlled removal of residual electrodeposits from the cathode is presented. The discussion is based on theoretical electrode processes and laboratory experiments. The technique essentially consists of an industrial process potential controller which maintains the cathode in a noncorroding state while forcing the removal of the more electroactive residual metal deposits. The technique is both time and labor saving, and eliminates the additional need for cathode treating chemicals.