Experimental analysis and modeling of a stormwater perlite filter

This paper presents the study of a mixed porous media composed of expanded perlite and a nonwoven needle-punched geotextile used to reduce the suspended solids load and concentration in urban runoff. Laboratory procedures were designed to quantify the suspended solids removal efficiency and variatio...

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Détails bibliographiques
Publié dans:Water environment research : a research publication of the Water Environment Federation. - 1998. - 80(2008), 6 vom: 09. Juni, Seite 524-39
Auteur principal: Gironás, Jorge (Auteur)
Autres auteurs: Adriasola, José M, Fernández, Bonifacio
Format: Article
Langue:English
Publié: 2008
Accès à la collection:Water environment research : a research publication of the Water Environment Federation
Sujets:Journal Article Research Support, Non-U.S. Gov't Water 059QF0KO0R Perlite 0SG101ZGK9 Silicon Dioxide 7631-86-9 Aluminum Oxide LMI26O6933
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245 1 0 |a Experimental analysis and modeling of a stormwater perlite filter 
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520 |a This paper presents the study of a mixed porous media composed of expanded perlite and a nonwoven needle-punched geotextile used to reduce the suspended solids load and concentration in urban runoff. Laboratory procedures were designed to quantify the suspended solids removal efficiency and variation in time of filtration rate. Different grain-size distributions of expanded perlite, diverse suspended solids concentrations, and different hydraulic and geometric conditions were tested to determine the most effective filter media. A dimensionless parameter, termed Global Performance Index (GPI), was developed to reach this objective. Measured data were also used to build a dimensional and a regression model to represent the performance of the filter media mathematically. The theory, derivation, and performance of both models are presented and compared with an existent empirical model. The dimensional model better reproduces the observations, becoming a useful tool for the design, operation, and evaluation of commercial porous media filters 
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700 1 |a Fernández, Bonifacio  |e verfasserin  |4 aut 
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