The effective use of both oxidizing and non-oxidizing biocides for control of MIC in cooling water systems was evaluated. A patented localized corrosion monitor was used to monitor changes in localized corrosion rates within laboratory scale and pilot cooling tower systems under various biocide treatment regimes. Under many of these conditions the changes in localized corrosion rates can be directly correlated with specific biocide feed. In particular, bromine based biocides exhibited the greatest control of MIC and corresponding recovery in localized corrosion rates.

Subject
Cathodes, Electrochemical cells, Corrosion rate, Corrosion cells, General corrosion rate, Localized corrosion rates, Biocides, Localized corrosion, Electrodes, Microorganisms, Microbiologically influenced corrosion, Occluded cells, Anodes
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2000
Association for Materials Protection and Performance (AMPP)
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