Treatment of phosphorus and bacteria by filter media in onsite wastewater disposal systems
2004 (English)In: Ecosan - closing the loop, Eschborn: Deutsche Gesellschaft für Technische Zusammenarbeit , 2004, 573-576 p.Conference paper (Refereed)
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.
IdentifiersURN: urn:nbn:se:kth:diva-82542ISBN: 3-00-012791-7OAI: oai:DiVA.org:kth-82542DiVA: diva2:499456
2nd international symposium on ecological sanitation, incorporating the 1st IWA specialist group conference on sustainable sanitation, 7th-11th April 2003, Lübeck, Germany