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biofilms

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Published: 01 December 2015
Fig. 5 Conceptual model of biofilm structure as determined by confocal scanning laser microscopy. The metal is shown crosshatched. Note the nearly continuous base film upon which sits a series of cauliflower-like cell clusters separated by voids through which bulk water can flow (arrows More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... organisms can influence the occurrence or rate of corrosion, and the types of corrosion most often influenced by microbes. The chapter then discusses the formation of biofilms on the surface of metals. This is followed by a list of industries most often reported as being affected by microbiological...
Image
Published: 01 December 2015
Fig. 22 UNS A93003 aluminum coupons after galvanic corrosion test and removal of corrosion products. (a) Coupled to stainless steel cathode with natural microbial biofilm. (b) Coupled to control stainless steel cathode without biofilm. (c) As originally prepared prior to immersion. Source More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... Abstract Water chemistry is a factor in nearly all boiler tube failures. It contributes to the formation of scale, biofilms, and sludge, determines deposition rates, and drives the corrosion process. This chapter explains how water chemistry is managed in boilers and describes the effect...
Image
Published: 01 December 2015
Fig. 20 Corrosion currents for galvanic couples of UNS C1100 copper anodes versus UNS N08367 stainless steel cathodes with and without (control) the influence of natural marine microbial biofilms. Source: Ref 58 More
Image
Published: 01 December 2015
Fig. 21 Corrosion currents for galvanic couples of UNS A93003 aluminum alloy anodes versus UNS N08367 stainless steel cathodes with and without (control) the influence of natural marine microbial biofilms. Source: Ref 58 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030003
EISBN: 978-1-62708-282-2
... Influenced Corrosion The chapter, “ Microbiologically Influenced Corrosion ,” discusses the interactions of the biofilms that form on virtually all structural metals and alloys immersed in aqueous environments. These interactions can lead to many of the forms of corrosion detailed previously...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
..., organisms in the water tend to attach to and grow on the surface of structural materials, resulting in the formation of a biological film, or biofilm. The film itself can range from a microbiological slime film on freshwater heat transfer surfaces ( Fig. 5 ) to a heavy encrustation of hard-shelled fouling...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940271
EISBN: 978-1-62708-302-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030005
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
... solids or can form biofilms on a material’s surface. The high concentration of bacteria that occurs in the presence of accumulated solids or biofilms can lead to concentrated corrosion cells that promote localized corrosion attack. Susceptible materials include carbon steels, copper alloys, aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
.... Microbially induced corrosion is caused by microorganisms, such as bacteria, algae, or fungi, in water under low-flow or stagnant conditions. The bacteria form a biofilm or slime with which they adhere to their host surface and create a microenvironment conducive to corrosion. Alternatively, the bacteria...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930189
EISBN: 978-1-62708-359-1
... the corrosion process. For example, water and some organic media may contain certain microorganisms that can produce a biofilm when exposed to a metal surface. The resulting nonuniform coverage may lead to a concentration cell and eventually initiate corrosion. In addition, the metabolic process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870135
EISBN: 978-1-62708-299-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.9781627083027
EISBN: 978-1-62708-302-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310233
EISBN: 978-1-62708-286-0
... there are no specific studies on this. However, microorganisms adhere to this film and, as colonies of them grow, form a biofilm. This film consists of layers of microorganisms that can produce an exocellular polymeric matrix, which protects the colony from cleaning and disinfecting. Geometric factors also can protect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820001
EISBN: 978-1-62708-339-3
... the corrosion process. For example, water and some organic media may contain certain microorganisms that can produce a biofilm when exposed to a metal surface. The resulting nonuniform coverage may lead to a concentration cell and eventually initiate corrosion. In addition, the metabolic process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... of enumerating bacteria is discussed in Ref 61 . Other useful procedures include a quick field method for enumerating total bacteria and studying the effect of bactericides ( Ref 62 ), a method of studying biofilms and the effect of bactericides on them ( Ref 63 ), and a rating system for evaluating bacterial...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... of microbial communities that contain a variety of types of bacteria. In these communities, the bacteria act cooperatively to produce conditions favorable to the growth of each species. Obligate anaerobic bacteria can thrive in aerobic environments when they are present beneath biofilms/deposits in which...