Title: Solids separation efficiency of combined sewer overflows
Authors: Luyckx, G ×
Vaes, G
Berlamont, Jean #
Issue Date: Jan-2005
Publisher: I w a publishing
Series Title: Water science and technology vol:51 issue:2 pages:71-78
Abstract: The removal of sewer solids at combined sewer overflow locations depends on the flow patterns inside the overflow structure on the one hand and on the sediment characteristics on the other hand. Flow conditions can be described by the residence time distribution; sewer sediments can be characterised by their settling velocity distribution. The combination of both distributions leads to a dimensionless efficiency curve, which gives the removal efficiency as a function of the Hazen number. For field conditions this efficiency curve is mainly influenced by the settling velocity distribution of the sewer sediments and, as a consequence, nearly identical efficiency curves are found for different types of prototype CSO structure. For design purposes, a methodology using return frequently analysis is proposed.
ISSN: 0273-1223
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Hydraulics Section
× corresponding author
# (joint) last author

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