Corrosion, fouling, and deposition

NOTE In this chapter there is discussion concerning some individual aspects of corrosion, fouling, and deposition, but every attempt is made to link them together into a coherent whole. It is also incumbent upon the reader and water treatment practitioner to consider each specific problem or aspect of water management in the light of the complete, dynamic, cooling water system. 

Corrosion, fouling, and deposition processes of some degree most probably will have been steadily taking place for some time prior to the evaluation being made. If an index or model is to be used, the makeup water source should always be the starting point and cycled-up cooling water composition calculated from this point (despite the problems of accurately assessing the cycled-up water pH). 

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