Paper 281. Microbial fouling and corrosion in nuclear power plant service water systems

Characklis, W.G., Little, B.J., Stoodley, P. and McCaughey, M.S. (1991) Paper 281. Microbial fouling and corrosion in nuclear power plant service water systems. In, Corrosion'91. Texas, US, NACE, 281/1-281/21. (Corrosion 91).


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Fouling and corrosion are frequently mediated by microorganisms attached to the metal surface and/or
embedded in a gelatinous organic matrix termed a biofilm. Biofilms substantially change the local chemistry of
the adjacent metal and, thereby, enhance corrosion processes. The change in local chemistry is influenced by
the microenvironmental conditions at the metalsurface including the number and types of microorganisms
present, the dissolved oxygen concentration, the flow velocity, the buffering capacity of the bulk water, and
many other factors. Since microbial corrosion is generally localized, the spatial distribution or patchiness of the
microbial activity also affects the corrosion processes. These problems are especially serious in nuclear power
plant service water systems (SWS). A unified approach to understanding and controlling biofilms and the
related corrosion is presented in the context of a case study from a SWS.

The NACE Annual Conference and Corrosion Show
March 11-15, 1991 . Cincinnati Convention Center' Cincinnati, Ohio

Item Type: Book Section
Subjects: Q Science > Q Science (General)
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 160545
Accepted Date and Publication Date:
Date Deposited: 21 Jul 2010 13:31
Last Modified: 31 Mar 2016 13:28

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