Mixed chlorobromoanisoles have recently been recognized as new potential odorous compounds in tap water. The odour threshold concentrations (OTCs) of these compounds are close to the sub ng/L (ppt) and associated descriptors are “earthy, musty, rubber”. During a “swampy, musty” episode in water of the Norrtälje district (Sweden), 2,4,6-mixed chlorobromoanisoles and their phenolic precursors were identified. These compounds were synthesised in order to quantify them in different types of waters. Samplings were performed during two different seasons. Results show that whatever the season, mixed haloanisoles and their precursors were present. Chlorination, biofilm activity and residence time in the distribution system seem to be critical factors for the appearance of such compounds.
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Research Article|
March 01 2007
Identification of new odorous compounds in Swedish water: mixed haloanisoles and phenolic precursors
E. Corbi;
*Anjou Recherche/Veolia Water. Chemin de la digue, BP 76. 78603 Maisons , Laffitte, France
E-mail: elise.corbi@veolia.com
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D. Benanou;
D. Benanou
*Anjou Recherche/Veolia Water. Chemin de la digue, BP 76. 78603 Maisons , Laffitte, France
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J. Cantet;
J. Cantet
*Anjou Recherche/Veolia Water. Chemin de la digue, BP 76. 78603 Maisons , Laffitte, France
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J.C. Tabet
J.C. Tabet
**4 place Jussieu, boîte 45, 75252 , Paris Cedex, 05, France
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Water Sci Technol (2007) 55 (5): 185–193.
Citation
E. Corbi, D. Benanou, J. Cantet, J.C. Tabet; Identification of new odorous compounds in Swedish water: mixed haloanisoles and phenolic precursors. Water Sci Technol 1 March 2007; 55 (5): 185–193. doi: https://doi.org/10.2166/wst.2007.178
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