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Record nummer 2047196
Titel artikel Searching for storm water inflows in foul sewers using fibre-optic distributed temperature sensing
Auteur(s) Schilperoort, R. ; Hoppe, H. ; Haan, C. de ; Langeveld, J.
Tijdschrifttitel Water science and technology : a journal of the International Association on Water Pollution Research
Deel(Jaar)Nummer 68(2013)8
Paginering 1723 - 1730
Online full text
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Trefwoorden (cab) riolering / scheiding / rioolafvalwater / wettelijke rechten / malversatie / lozing / verbindingsstukken / locatie / aftasten / temperatuur / detectie / monitoring
Rubrieken Afvalverwerking
Publicatie type Artikel
Taal Engels
Toelichting (Engels) A major drawback of separate sewer systems is the occurrence of illicit connections: unintended sewer cross-connections that connect foul water outlets from residential or industrial premises to the storm water system and/or storm water outlets to the foul sewer system. The amount of unwanted storm water in foul sewer systems can be significant, resulting in a number of detrimental effects on the performance of the wastewater system. Efficient removal of storm water in flows into foul sewers requires knowledge of the exact locations of the in flows. This paper presents the use of distributed temperature sensing (DTS) monitoring data to localize illicit storm water in flows into foul sewer systems. Data results from two monitoring campaigns in foul sewer systems in the Netherlands and Germany are presented. For both areas a number of storm water in flow locations can be derived from the data. Storm water in flow can only be detected as long as the temperature of this in flow differs from the in-sewer temperatures prior to the event. Also, the in-sewer propagation of storm and wastewater can be monitored, enabling a detailed view on advection.
Betrokken instanties Royal Haskoning DHV
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