期刊
URBAN WATER JOURNAL
卷 14, 期 10, 页码 1090-1096出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/1573062X.2017.1363252
关键词
Infiltration; Inflow; clear water seepage; anthropogenic tracer; water balance; combined sewers
资金
- Innoviris [2013-PRFB-32]
Parasitic clear water infiltration is known to increase the waste water volumes in most sewerage systems. Amongst others, a problem arising from that is a significant variation of waste water pollutant concentration over time, which complicates the purification process and increases its cost. Capitalizing on new extensive databases, we propose a new method for the identification of clear water infiltration rates based on data-mining and data consolidation of long time data series. Based on a straightforward anthropogenic tracer, together with a simple but rigorous water budget, the infiltrated volumes are quantified day-by-day for the entire zone treated by a major waste water treatment plant. Brussels city is used as an example of the applicability of the method over several years, demonstrating the significant seasonal changes in sewer infiltration rates in the area and the progress achieved so far by structural sewer repair.
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