Corrosion of Metals in Potable Water Systems

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Abstract
The problem of metallic corrosion in potable water systems is universal and occurs with all metals currently used for construction of such systems. Corrosion can occur under either dynamic or static conditions. Systems design, temperature, and velocity are major factors in the rate of corrosion. This article emphasizes that the ultimate solution to such corrosion can only be obtained by the fundamental research approaches discussed in this article. They include: fundamental laboratory research on the thermodynamics and reaction kinetics of the metal‐water‐ion systems; long‐term pilot studies using carefully designed systems under proper control that duplicate all the parameters affecting both the initiation and propogation of corrosion, using actual service waters; and, control techniques to monitor the entire water service system such as test loops, strips, coil testers, and proved corrosion meters. Chemical balances must be maintained.

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