DRINKING WATER CONTAMINANTS ARISING FROM HOUSEHOLD WATER PIPES AND PIPEWORK MATERIALS

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Publikace nespadá pod Ústav výpočetní techniky, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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RAJASÄRKKÄ Suvi Johanna Irene KUTA Jan LAČŇÁK Jonáš BLÁHA Luděk

Rok publikování 2016
Druh Článek ve sborníku
Konference PROCEEDINGS OF INTERNATIONAL PHD STUDENTS CONFERENCE, (MENDELNET 2016)
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://mendelnet.cz/artkey/mnt-201601-0180_DRINKING_WATER_CONTAMINANTS_ARISING_FROM_HOUSEHOLD_WATER_PIPES_AND_PIPEWORK_MATERIALS.php?back=/magno/mnt/2016/mn1.php?secid=4
Obor Znečištění a kontrola vody
Klíčová slova drinking water; water pipes; PEX; volatile compounds; MTBE; ETBE; TBA; heavy metals; anti-hormonal activity
Popis Water pipe materials can have significant effect on drinking water quality. Whereas heavy metals originate from metal pipes and couplings, new plastic polyethylene pipes can also leach different organic compounds that can effect olfactory and taste properties of water, and even be harmful to consumers. In this project the effect of crosslinked polyethylene (PEX) pipes on water quality was studied in laboratory and in residences with drinking water pipes made of different pipe materials. PEX pipes leached several organic volatile compounds, such as methyl and ethyl tert-butyl ethers (MTBE and ETBE) and tert-butyl alcohol (TBA) in the water in both laboratory tests and in the studied house. Water incubated in the pipes in laboratory was found to leach anti-androgenic and anti-retinoid X-like compounds. Water metal content was not affected by PEX pipes but rather the couplings and other network materials. Risks of leached compounds were low, and mostly affecting the taste and odour of water. Metal couplings and other metal network materials in household can potentially increase harmful metal exposure of residents.
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