Assessing hydrodynamic separators under high water flow conditions

David Saddoris, Omid Mohseni, John Gulliver

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Underground hydrodynamic separators are widely used in urban areas for removal of suspended solids and floatables from stormwater due to limited land availability for the installation of above ground stormwater best management practices (BMPs). Hydrodynamic separators are sized for applications based on design runoff from the drainage basins that they serve. However, during less frequent storm events, device maximum treatment rates are exceeded and previously captured sediments can be scoured and washed out of these devices. A methodology has been developed to assess sediment retention in hydrodynamic separators under water flow rates exceeding their maximum design treatment rates. This new testing protocol has been used in controlled field and laboratory tests on full-scale commercial devices under high water flow conditions to determine sediment retention performance. Application of this work is primarily to establish the frequency of required cleaning for installed devices.

Original languageEnglish (US)
Title of host publicationProceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009
Subtitle of host publicationGreat Rivers
Pages864-874
Number of pages11
DOIs
StatePublished - Oct 26 2009
EventWorld Environmental and Water Resources Congress 2009: Great Rivers - Kansas City, MO, United States
Duration: May 17 2009May 21 2009

Publication series

NameProceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers
Volume342

Other

OtherWorld Environmental and Water Resources Congress 2009: Great Rivers
CountryUnited States
CityKansas City, MO
Period5/17/095/21/09

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    Saddoris, D., Mohseni, O., & Gulliver, J. (2009). Assessing hydrodynamic separators under high water flow conditions. In Proceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers (pp. 864-874). (Proceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers; Vol. 342). https://doi.org/10.1061/41036(342)87