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Normalization of Wastewater Quality to Estimate Infiltration/Inflow and Mass Flows of Metals
Luleå tekniska universitet.
Gryaab AB, Utveckling, Kvalitet och miljö, Göteborg.
Gryaab AB, Utveckling, Kvalitet och miljö, Göteborg.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
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Number of Authors: 6
2016 (English)In: Journal of environmental engineering, ISSN 0733-9372, E-ISSN 1943-7870, Vol. 142, no 11, 4016050Article in journal (Refereed) Published
Abstract [en]

The quality of wastewater varies between catchments due to variation in urbanisation, sewer system properties, and pollution levels. This study was conducted to identify wastewater quality parameters that could be normalized to estimate levels of infiltration/inflow (I/I) in selected catchments and to investigate the geographic origins of metals entering sewer systems. Two sampling campaigns were conducted in the five catchments of the Gothenburg area focusing on 14 water quality parameters. Data from a reference study on domestic wastewater quality to normalize the mass flows associated with pure domestic wastewater was applied. The level of dilution due to I/I in wastewater entering Rya Wastewater Treatment Plant, estimated using Tot-N and Tot-P as indicators, provided the closest fit among the water quality parameters with results obtained by established methods for the two campaigns. The results from the study also indicated which catchments generated nondomestic wastewater with higher mass flows of specified metals.

Place, publisher, year, edition, pages
2016. Vol. 142, no 11, 4016050
National Category
Water Engineering
Research subject
Urban Water Engineering
URN: urn:nbn:se:ltu:diva-60376DOI: 10.1061/(ASCE)EE.1943-7870.0001120ISI: 000386358500003ScopusID: 2-s2.0-84991583845OAI: diva2:1046317

Validerad; 2016; Nivå 2; 2016-11-14 (andbra)

Available from: 2016-11-14 Created: 2016-11-14 Last updated: 2016-11-17Bibliographically approved

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Hedström, AnnelieÖsterlund, HeleneViklander, Maria
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