Nitrogen and Phosphorus Treatment Can Be Sustainable During on-Site Wastewater Disposal

© 2023 The Authors. Groundwater published by Wiley Periodicals LLC on behalf of National Ground Water Association.

Bibliographische Detailangaben
Veröffentlicht in:Ground water. - 1979. - 61(2023), 4 vom: 11. Juli, Seite 586-598
1. Verfasser: Robertson, William D (VerfasserIn)
Weitere Verfasser: Elgood, Richard J, Van Stempvoort, Dale R, Brown, Susan J, Schiff, Sherry L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Ground water
Schlagworte:Case Reports Journal Article Nitrogen N762921K75 Phosphorus 27YLU75U4W Sewage Wastewater
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520 |a Monitoring of a seasonal-use, on-site wastewater disposal system (septic system) in Canada, over a 33-year period from 1988 to 2021, showed that during recent sampling the groundwater plume had TIN (total inorganic nitrogen) averaging 12.2 mg/L that was not significantly different than early values, representing 80% removal, whereas SRP (soluble reactive phosphate), although higher than early values averaging 0.08 mg/L, was still 99% lower than the effluent concentration. Evidence suggests that the anammox reaction and possibly also denitrification contribute to TIN removal, whereas SRP removal is primarily the result of mineral precipitation. Most of the removal occurs in close proximity to the drainfield infiltration pipes (within about 1 m) demonstrating that reaction rates are relatively fast in the context of typical groundwater plume residence times. This long-term consistency demonstrates that sustainable nutrient treatment can be achieved with conventional on-site wastewater disposal systems that have low capital costs and require minimal energy input and maintenance 
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700 1 |a Schiff, Sherry L  |e verfasserin  |4 aut 
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