Title: Experimental Studies of Sewer Exfiltration 
Resource Type: document --> technical publication --> journal article 
Country: EU Projects 
Year: 2003 
Availability: Ellis J.B., Revitt D.M., Lister P., Willgress C., Buckley A., Experimental Studies of Sewer Exfiltration, Water Science and Technology 2003, 47(4), 61-67 
Author 1/Producer: Ellis J.B. 
Other Authors/Producers: Ellis J.B., Revitt D.M., Lister P., Willgress C., Buckley A. 
Author / Producer Type: EC Project 
Article Weblink (=direct link): http://www.insa-lyon.fr/Laboratoires/URGC-HU/apuss/pra_003_W ...  
Format (e.g. PDF): PDF 
EUGRIS Keyword(s): Water resources and their management -->Water resources and their management Overview
Short description: The effects of joint openings and in-pipe sediment on exfiltration losses in an experimental sewer are reported and the influence of flow and head on loss rates are also evaluated. Exfiltration rates tend to be exponential with changes in head for clean-water tests but exhibit power functions when the pipe is subject to sedimentation. In-pipe sediment leads to an effective sealing of joints especially if the invert deposits are both organic in nature and contain saturated adhesive material such as shredded toilet tissue. Simple tracer techniques are described to quantify exfiltration losses and the potential effects of tracer adsorption by in-pipe solids are evaluated. 
Link to Project(s): APUSS Assessing infiltration and exfiltration on the performance of urban sewer systems
Submitted By: Dr Stefan Gödeke WhoDoesWhat?      Last update: 14/02/2006

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