Describes use of cathodic protection and cathodic cleaning of heat exchange equipment. Explains how cathodic protection system was used to supplement water treatment. Data given show 20 condensers were protected by anodes at $800 per year. Cleaning and repair costs for the condensers had been $2000 per year—a saving of $1200 in labor costs alone. Also shows that cathodic cleaning of boilers costs only $60 per boiler. Estimated chemical cleaning cost per boiler was $1500—a saving of $1440 per boiler. 7.4.1
© 1961 National Association of Corrosion Engineers
1961
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