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Upflow Filtration for the Treatment of Stormwater at Critical Source Areas

Uday Khambhammettu, Robert E. Pitt, Robert Andoh and Shirley Clark (2007)
AECOM; University of Alabama; Hydro International; Penn State Harrisburg
DOI: https://doi.org/10.14796/JWMM.R227-09
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Abstract

One approach to the treatment of urban runoff is to treat the runoff from critical source areas before it mixes with runoff from less pollutant areas. Some of the general features of critical source areas appear to be large paved areas, heavy vehicular traffic, and/or exposed heavy equipment, materials or products. The control of runoff from relatively small critical source areas (such as loading docks, fueling areas, small maintenance yards, etc.) may be the most cost effective approach for the treatment/reduction of stormwater toxicants. However, in order for a treatment device to be usable, it must be inexpensive, both to purchase and to maintain, and be effective.

Upflow filtration of stormwater was tested during both controlled tests, and under actual rainfall conditions, during SBIR1 (Small Business Innovative Research) and SBIR2 research funded by the US EPA. This chapter summarizes the work presented by Pitt, et al. (2005), Khambhammettu (2006), and Pitt, et al. (2006) reporting on this research. Upflow filtration was originally developed to overcome some of the problems associated with conventional filtration. The most serious problem is that downflow filters clog relatively quickly, reducing the treatment flow rate potential and total treatment capacity, potentially causing large amounts of the stormwater to bypass the treatment units. Clogging does not occur as fast with upflow filtration. One reason is that the heavier particles are drawn away from the filtration interface due to gravity and fall into the sump which is an integral part of the upflow filter design. Figures 9.1 and 9.2 are schematics of the prototype UpFloTM filter that was evaluated at Tuscaloosa, AL, as part of the SBIR2 tests. Figure 9.3 is a drawing of the full-scale commercial UpFloTM filter that is undergoing EPA ETV (Environmental Technology Verification) testing at Penn State – Harrisburg.

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PAPER INFO

Identification

CHI ref #: R227-09 842
Volume: 15
DOI: https://doi.org/10.14796/JWMM.R227-09
Cite as: CHI JWMM 2007;R227-09

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 2007

Status

# reviewers: 2
Version: Final published

Copyright

© 2007 CHI. Some rights reserved.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication. As such, JWMM can be considered a Diamond, Gratis OA journal.

All papers published in the JWMM are licensed under a Creative Commons Attribution 4.0 International License (CC BY).

JWMM content can be downloaded, printed, copied, distributed, and linked-to, when providing full attribution to both the author/s and JWMM.


AUTHORS

Uday Khambhammettu

AECOM, San Diego, CA, USA
ORCiD:

Robert E. Pitt

University of Alabama, Tuscaloosa, AL, USA
ORCiD:

Robert Andoh

Hydro International, Portland, ME, USA
ORCiD:

Shirley Clark

Penn State Harrisburg, Middletown, PA, USA
ORCiD:


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