Research Article
Jun 1972
Enhanced Phosphorus Removal in Trickling Filters
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VIEW THE REPLYPublication: Journal of the Sanitary Engineering Division
Volume 98, Issue 3
Abstract
Phosphorus removal from domestic wastewater was investigated using four synthetic media, pilot trickling filters constructed at the Madison Nine-Springs Sewage Treatment Plant. Phosphorus removal was not correlated with the parameters of the experimental design of: hydraulic load, depth, recirculation, or waste strength; however, greater phosphorus removals were measured than could be attributed to biological requirements for phosphorus. Analysis of filter slime composition and phosphorus release studies suggested this bonus-removal of phosphorus was attributed to chemical precipitates of calcium apatite, aluminum phosphate, and iron (III) phosphate trapped in the filter slime. This trickling filter study supports the enhances-removal mechanism for bonus-removal of phosphorus from hard water wastewaters reported for the activated sludge process.
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Published In
Journal of the Sanitary Engineering Division
Volume 98 • Issue 3 • June 1972
Pages: 547 - 560
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Jun 1972
Published online: Feb 12, 2021
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Harold J. Jebens, AM.ASCE
Assoc. Prof. of Civ. Engrg.; Univ. of Wisconsin-Platteville, Platteville, WI
William C. Boyle, AM.ASCE
Prof. of Civ. Engrg.; Univ. of Wisconsin, Madison, WI
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.