Research Article
Apr 1979
High-Rate Filtration in Polymer-Treated Sand Bed
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VIEW THE REPLYAuthors: John J. Byeseda and Nicholas D. SylvesterAuthor Affiliations
Publication: Journal of the Environmental Engineering Division
Volume 105, Issue 2
Abstract
The performance of a deep-bed sand filter was investigated for removal of bentonite particles with an average equivalent spherical diameter of 1.3μm. The filter internal diameter was 16.51 cm and the packing depth was 0.61m. The bed was operated at high loading rates (5 to 35 gpm/ft² or 0.204 to 1.43 m³/min/m²) with and without application of concentrated polymer (Dearborn Aquafloc-418) solution precoats. The feed solids concentration was varied from 50 ppm to 200 ppm. Filter performance was improved using the precoated media. The applied polymer precoat concentration was found to influence both the solids removal efficiency and the bed pressure drop.
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Published In
Journal of the Environmental Engineering Division
Volume 105 • Issue 2 • April 1979
Pages: 231 - 243
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Apr 1979
Published online: Feb 11, 2021
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John J. Byeseda
Research Engr.; CE-Natco, Tulsa, Okla., USA
Nicholas D. Sylvester
Prof. of Chemical Engrg., Dean of Coll. of Engrg. and Physical Sci., and Dir. of Environmental Projects Program; Univ. of Tulsa, Tulsa, Okla., USA
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