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Effect of retrograde microbial contamination on mobile drinking water systems
Citation Link: https://doi.org/10.15480/882.1116
Other Titles
Auswirkung von mikrobiellen retrograden Kontaminationen auf mobile Trinkwassersysteme
Publikationstyp
Doctoral Thesis
Date Issued
2013
Sprache
English
Author(s)
Advisor
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2013-02-15
TORE-DOI
The facultative pathogenic bacteria Enterococcus faecalis, Pseudomonas aeruginosa and Escherichia coli where tested for their ability to contaminate retrogradely mobile drinking water systems (MDWS). Water and biofilm samples were taken regularly from characteristic points in close-to-practice test plants and were analysed for the facultative pathogens according to international standards. Additionally, fluorescence in situ hybridization was applied for detection of Pseudomonas aeruginosa. Each of the facultative pathogens carries the potential to contaminate retrogradely MDWS. Retrograde contaminations occurred in biofilms and tank water and consisted mostly of Pseudomonas aeruginosa and Enterococcus faecalis. Measures to reduce the risk of retrograde microbial contaminations of MDWS and a secure and lasting disinfection procedure were described.
Subjects
Biofilm
mobile Trinkwassersysteme
retrograde Kontamination
fakultativ pathogene Bakterien
Desinfektion
mikrobiologische Charakterisierung
biofilme
mobile drinking water systems
retrograde contamination
facultative pathogenic bacteria
disinfection
microbial charakterisation
DDC Class
660: Technische Chemie
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