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Treatment of phosphorus and bacteria by filter media in onsite wastewater disposal systems
KTH, Superseded Departments, Land and Water Resources Engineering.
KTH, Superseded Departments, Land and Water Resources Engineering.
2004 (English)In: Ecosan - closing the loop, Eschborn: Deutsche Gesellschaft für Technische Zusammenarbeit , 2004, 573-576 p.Conference paper, Published paper (Refereed)
Abstract [en]

Correctly designed infiltration beds or phosphorus traps are advantageous for the treatment of wastewater in areas with a low population density. The efficiency can be increased by replacing the commonly used sand with  materials that have  a higher sorption capacity. Some of these materials are capable of delivering the sorbed phosphorus (P) to plants if subsequently used in agriculture, thereby recycling P  in crop production in a sustainable way.  A long-term column study was performed using municipal wastewater. Columns were filled with seven different filter media. PoloniteÒ, a product from the bedrock opoka, had the largest sorption capacity for P of the studied materials and its high pH resulted in a filtrate of good hygienic quality. No coliform bacteria was found in the effluent from four selected columns and the removal efficiency approached 99.5 %.

Place, publisher, year, edition, pages
Eschborn: Deutsche Gesellschaft für Technische Zusammenarbeit , 2004. 573-576 p.
National Category
Water Engineering
Identifiers
URN: urn:nbn:se:kth:diva-82542ISBN: 3-00-012791-7 (print)OAI: oai:DiVA.org:kth-82542DiVA: diva2:499456
Conference
2nd international symposium on ecological sanitation, incorporating the 1st IWA specialist group conference on sustainable sanitation, 7th-11th April 2003, Lübeck, Germany
Note
NQCAvailable from: 2012-02-13 Created: 2012-02-12 Last updated: 2012-02-21Bibliographically approved

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