Markku J. Lehtola, Ilkka T. Miettinen, Minna M. Keinänen, Tomi K. Kekki, Olli Laine, Arja Hirvonen, Terttu Vartiainen, Pertti J. Martikainen
Abstract:We studied the changes in water quality and formation of biofilms occurring in a pilot-scale water distribution system with two generally used pipe materials: copper and plastic (polyethylene, PE). The formation of biofilms with time was analysed as the number of total bacteria, heterotrophic plate counts and the concentration of ATP in biofilms. At the end of the experiment (after 308 days), microbial community structure, viable biomass and gram-negative bacterial biomass were analysed via lipid biomarkers (p…
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