The physico-chemistry of biofilm-mediated pitting corrosion of copper pipe supplying potable water
The physico-chemistry of biofilm-mediated pitting corrosion of copper pipe supplying potable water
Copper is a generally robust material that has beneficial properties to reduce biofilm formation and pathogen colonisation of pipes supplying potable water. However, a rare pitting corrosion can occur in soft, poorly buffered waters that can lead to pipe failure. This has been shown to be mediated by a copper-tolerant biofilm whose physical and chemical heterogeneity can establish microenvironments for corrosion potentials, causing micro pits that eventually coalesce into large perforations through the pipe wall. Control of the biofilm, for example through reduced cold water or elevated hot water temperatures, can suppress this corrosion phenomenon.
91-98
Keevil, C.W.
cb7de0a7-ce33-4cfa-af52-07f99e5650eb
January 2004
Keevil, C.W.
cb7de0a7-ce33-4cfa-af52-07f99e5650eb
Keevil, C.W.
(2004)
The physico-chemistry of biofilm-mediated pitting corrosion of copper pipe supplying potable water.
Water Science & Technology, 49 (2), .
Abstract
Copper is a generally robust material that has beneficial properties to reduce biofilm formation and pathogen colonisation of pipes supplying potable water. However, a rare pitting corrosion can occur in soft, poorly buffered waters that can lead to pipe failure. This has been shown to be mediated by a copper-tolerant biofilm whose physical and chemical heterogeneity can establish microenvironments for corrosion potentials, causing micro pits that eventually coalesce into large perforations through the pipe wall. Control of the biofilm, for example through reduced cold water or elevated hot water temperatures, can suppress this corrosion phenomenon.
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Published date: January 2004
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Local EPrints ID: 56371
URI: http://eprints.soton.ac.uk/id/eprint/56371
ISSN: 0273-1223
PURE UUID: b2a14b5b-3856-4e05-b006-3cfdc5e6a1d0
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Date deposited: 08 Aug 2008
Last modified: 09 Jan 2022 03:08
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