Innovative Biofilm Prevention Strategies
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Format:
Bog, hæftet
Udgivelsesdato:
01-04-2005
Sprog:
Engelsk
Sidetal:
108
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Biofilms are ubiquitous in drinking water distribution systems, regardless of the type of treatment or disinfection employed by a utility. In general these biofilms pose no direct health threat unless their growth becomes excessive or pathogens that are inadvertently introduced into a distribution system become part of the biofilm microbial community. While biofilm can cause problems associated with taste and odor or corrosion, the possible presence and persistence of opportunistic pathogens within the biofilm may be the most important concern. Current methods employed to minimize biofilm include the use of residual disinfectants, reduction of organic matter or inorganic electron donors (e.g. ammonia) in the water, use of pipe materials and coatings that reduce the amount of biofilm accumulation, frequent flushing of pipelines, and the practice of corrosion control treatment when corroded iron pipes are present. New strategies for the control of biofilm are being discovered and tested in a wide variety of settings, but generally not within the context of drinking water distribution systems. It is therefore important to investigate the most promising new biofilm control strategies to determine their applicability to the very complex drinking water distribution system environment. The goal of this research was to investigate novel biofilm control strategies and technologies that could possibly be applied to drinking water systems. The intent of the research was to serve as an exploratory look at new control options and determine if any could warrant. Specific objectives of the work included: ·Perform laboratory scale investigation of three control technologies using rotating annular reactors to simulate a drinking water distribution pipeline. ·Select the most promising technology and test that technology in actual field settings under a variety of water quality and disinfectant conditions.

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Udgivelsesdato:
01-04-2005
ISBN13:
9781843399049
Vægt:
263 g
Dybde:
6 mm
Bredde:
210 mm
Højde:
279 mm
Forlag:
AWWARF
Format:
Hæftet
Udgave:
0

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