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Research on causes of corrosion in the municipal water supply system

Abstract

This paper presents results of failure analysis study to characterize the corrosion damage that occurred in the water supply system in Krakow. This analysis includes: electrochemical noise, linear polarization and resistometric measurements. Water aggressiveness of four water intakes was defined using Langelier and Ryznar indices. Results from this indices did not reveal the causes of considerable corrosion losses in water systems. The corrosion rate measurements revealed that water from the one of water intakes is characterized by considerable corrosive aggression. In all studied water subsystems formation of protective layers limiting the corrosion rate was found. Overall analysis reveal the need to implement a on-line corrosion rate monitoring in the water supply system of the city of Krakow.

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Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Case Studies in Construction Materials no. 4, pages 108 - 115,
ISSN: 2214-5095
Language:
English
Publication year:
2016
Bibliographic description:
Orlikowski J., Zieliński A., Darowicki K., Krakowiak S., Żakowski K., Ślepski P., Jażdżewska A., Gruszka M., Banas J.: Research on causes of corrosion in the municipal water supply system// Case Studies in Construction Materials. -Vol. 4., (2016), s.108-115
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.cscm.2016.03.001
Bibliography: test
  1. _ T D $ D I F F ] [1] W.F. Langelier, The analytical control of anticorrosion water treatment, J. Am. Water Works Assoc. 28 (1936) 1500-1521.
  2. _ T D $ D I F F ] [2] T.E. Larson, A.M. Buswell, Calcium carbonate saturation index and alkalinity interpretations, J. Am. Water Works Assoc. 34 (1942) 1667-1684.
  3. _ T D $ D I F F ] [3] W.F. Langelier, Chemical equilibria in water treatment, J. Am. Water Works Assoc. 38 (1946) 169-178.
  4. _ T D $ D I F F ] [4] J.W. Ryznar, A new index for determining amount of calcium carbonate scale formed by water, J. Am. Water Works Assoc. 36 (1944) 472-483. open in new tab
  5. _ T D $ D I F F ] [5] F. Mansfeld, Z. Sun, C.H. Hsu, Electrochemical noise analysis (ENA) for active and passive systems in chloride media, Electrochim. Acta 46 (2001) 3651- 3664.
  6. _ T D $ D I F F ] [ 1 5 _ T D $ D I F F ] [6] V.M. Salinas-Bravo, J. Porcayo-Calderon, J.G. Gonzalez-Rodriguez, Corrosion monitoring using electrochemical noise and linear polarization resistance in fuel oil combustion gas environment, Russ. J. Electrochem. 42 (2006) 560-565.
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Gdańsk University of Technology

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