Comparison of corrosion monitoring techniques in district heating systems

Lisbeth Rischel Hilbert, Lars Vendelbo Nielsen, R.I. Thorarinsdottir

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


    Investigations aimed at evaluating monitoring techniques as a function of the specific water chemistry has been conducted as a part of a Nordic project focused on improving the quality of corrosion monitoring in municipal district heating. A combination of techniques has been selected to measure both general and localised corrosion. Electrochemical techniques (LPR, EIS) as well as direct techniques (high sensitive ER, weight loss, local crevice corrosion current) have been applied. The data show that the water quality in Danish systems is high resulting in low corrosion rates, but changes in the water quality induce localised corrosion. Useful monitoring results have been obtained with high sensitive ER technique (MetriCorr) and crevice corrosion measurements with the LOCORR cell (FORCE TECHNOLOGY).
    Original languageEnglish
    Title of host publication13. Scandinavian corrosion congress
    Publication date2004
    Publication statusPublished - 2004
    Event13th Scandinavian Corrosion Congress: Nordisk Korrosionsmöte - Reykjavic, Iceland
    Duration: 1 Jan 2004 → …
    Conference number: 13


    Conference13th Scandinavian Corrosion Congress
    Period01/01/2004 → …


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