Cathodic protection of cooling water systems and selection of appropriate materials

The current article focuses mainly the necessity, types of cathodic protection and anodes available apart from a brief review on sacrificial and impressed current cathodic protection (ICCP) anodes. Further, the advantages and disadvantages of each are also discussed. The necessity of designing of an effective cathodic protection system for cooling waters pipelines has been emphasized. In addition, the economics of cathodic protection has been highlighted with an example. After installation of CP system, operation and maintenance part has also been mentioned. Finally, the selection of suitable materials and design for various applications has been highlighted.