Stormwater treatment using upflow filters

M. Pratap, U. Khambhammettu, S. E. Clark, R. Pitt

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

2 Scopus citations

Abstract

In this research, an upflow filtration system was developed, and its effectiveness was demonstrated. Five filtration media (lightweight sand, pool-filter sand, fine-grade sand, peat moss and compost were examined for solids removal ability in bench-scale tests. The objectives were to determine (1) the optimum flow rate (no separation of the media from the gravel or within the media, and where suspended solids removal was "best"); (2) the suspended solids loading that reduced the flow rate to certain end points; (3) the breakthrough point (i.e., where the effluent concentration equaled the influent concentration) for each media. The evaluation parameters were flow rate, and effluent turbidity, total solids and particle size distribution. Statistical comparisons of the filters demonstrated that the compost-sand and peat-sand performed better (had greater removals) for turbidity and total solids during the early to the intermediate part of the filter run when compared to sands. Late in the filter run, the peat-sand filter still produced significantly better effluent than the pool sand and the fine sand; however, solids washout from the compost-sand filter occurred and the compost-sand filter performed worse than the two sand filters. For the particle size distribution data, all media were statistically indistinguishable from each other. Copyright ASCE 2005.

Original languageEnglish (US)
Title of host publicationWorld Water Congress 2005
Subtitle of host publicationImpacts of Global Climate Change - Proceedings of the 2005 World Water and Environmental Resources Congress
Number of pages1
DOIs
StatePublished - Dec 1 2005
Event2005 World Water and Environmental Resources Congress - Anchorage, AK, United States
Duration: May 15 2005May 19 2005

Publication series

NameWorld Water Congress 2005: Impacts of Global Climate Change - Proceedings of the 2005 World Water and Environmental Resources Congress

Other

Other2005 World Water and Environmental Resources Congress
CountryUnited States
CityAnchorage, AK
Period5/15/055/19/05

All Science Journal Classification (ASJC) codes

  • Water Science and Technology

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