By Hans-Curt Flemming (auth.), Dr. Hans-Curt Flemming, Dr. Gill Gregory Geesey (eds.)

Microbial development and infection ("Biofouling") in water platforms represents an important probability to the standard of waters produced for the microelectronic, pharmaceutical, petroleum, paper, meals and different production industries. Biofouling can result in biologically brought about corrosion ("Biocorrosion"), that can reason serious harm to the apparatus. either biofouling and biocorrosion are usually now not well-known in time, underestimated, or associated with the inaccurate reasons. The publication represents a brand new method through introducing biofilm houses and dynamics as simple rules of biofouling and biocorrosion, hence supplying a greater realizing and the technique of scuffling with the undesired results of biofilms. The most crucial positive factors are: Case histories of biofouling in water treatment.- Detection and tracking of biofouling.- opposite osmosis membrane biofouling.- Biocide efficacy and biofouling control.- Plant layout issues for fighting biofouling.- Case histories of biocorrosion.- Detection, tracking, keep watch over and prevention of biocorrosion.- basics of biofouling and biocorrosion mechanisms.

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Additional resources for Biofouling and Biocorrosion in Industrial Water Systems: Proceedings of the International Workshop on Industrial Biofouling and Biocorrosion, Stuttgart, September 13–14, 1990

Example text

Pumping costs in water pipelines because of the above mentioned increase of the drag resistance, fouling of heat exchanger surfaces and water treatment equipment can easiIy be summed up to extremely high amounts of money every year. The effects of biofouling on plant performance, water quality and the equipment are frequentIy enhanced because they are not recognized in time, underestimated and linked with wrong causes. Thus, they require expensive and difficult countermeasures, which could have been avoided if the problem would have been recognized earlier.

MicrobioI. 45, 1109-1115 42 Kjelleberg S, Hermansson M, Marden P, Jones GW (1987) The transient phase between growth and nongrowth of heterotrophic bacteria, with emphasis on the marine environment. Ann. Rev. Microbiol. 41, 25-49 43 Marshall KC, Stout R, Mitchell R (1971) Selective sorption of bacteria from seawater. Canad. J. Microbiol. 17, 1413-1416 44 Marshall KC (1979) Growth at interfaces. In: M Shilo (ed) Strategies of Microbial Life in Extreme Environments, Verlag Chemie Weinheim; 281-290 45 Kefford B, Kjelleberg S, Marshall KC (1982) Bacterial scavenging: Utilization of fatty acids localized at a soIid-Iiquid interface.

These eompounds tend to form a monomoleeular film on hydrophobie surfaees beeause of the hydrophobie eharaeteristies of the fatty acid portion of the moleeule (53). We have tested Busperse 47 for its ability to inhibit baeterial adhesion to polystyrene and to remove preformed biofilms from polystyrene surfaees. The results (Table 2) show variable effeets with different baeteria, as no eorrelation was observed between the relative hydrophobicity of the baeteria employed and the degree of inhibition of adhesion or removal of biofilm (Blainey and Marshall, unpublished data).

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