Underflow baffles have gained in popularity over the last few year as a viable means to intercept floatables in Combined Sewer Overflows (CSOs). This has happened although the efficiency of underflow baffles has never been clearly proven. Furthermore, there are no guidelines helping planners in the correct and efficient design of underflow baffles. This article proposes design criteria deduced from pilot scale essays performed in a 17 meters basin at various flowrates. These new informations can be used in two different ways. First, these criteria can be used to correctly design a new overflow chamber. Secondly, these criteria can be used to evaluate the efficiency of existing overflow chambers. Preliminary analysis of existing chambers show that interception efficiency of floatables can be very low.
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Research Article|
November 01 1998
Design criteria of underflow baffles for control of floatables Available to Purchase
J. Cigana;
J. Cigana
*John Meunier Inc., 6290 Périnault, Montréal, H4K 1K5, Canada
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G. Lefebvre;
G. Lefebvre
**École Polytechnique of Montréal, C.P. 6079, Montréal, Succ. Centre-Ville, H3C 3A7, Canada
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C. Marche;
C. Marche
**École Polytechnique of Montréal, C.P. 6079, Montréal, Succ. Centre-Ville, H3C 3A7, Canada
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M. Couture
M. Couture
*John Meunier Inc., 6290 Périnault, Montréal, H4K 1K5, Canada
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Water Sci Technol (1998) 38 (10): 57–63.
Citation
J. Cigana, G. Lefebvre, C. Marche, M. Couture; Design criteria of underflow baffles for control of floatables. Water Sci Technol 1 November 1998; 38 (10): 57–63. doi: https://doi.org/10.2166/wst.1998.0377
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