Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ammonia Removal from Facultative Pond Effluents in a Constructed Wetland and an Aerated Rock Filter: Performance Comparison in Winter and Summer
The effluent from a facultative pond loaded at 80 kg BOD ha−1 day−1 was treated in a subsurface horizontal‐flow aerated rock filter (RF) and a subsurface horizontal‐flow constructed wetland (CW) planted with Typha latifolia. Over a 12‐month monitoring period BOD and TSS removals were higher, and effluent ammonia concentrations lower, in the RF than in the CW (>75% vs. 25−75%, and 3.6 mg N L−1 vs. 6 mg N L−1, respectively). However, the ammonia concentration was lower in the CW effluent than in the aerated RF effluent during mid‐July to mid‐September (1.1 mg N L−1 vs. 2.2 mg N L−1), but in winter it was higher than the influent concentration. Overall the performance of the aerated RF was better and more consistent than that of the CW.
Ammonia Removal from Facultative Pond Effluents in a Constructed Wetland and an Aerated Rock Filter: Performance Comparison in Winter and Summer
The effluent from a facultative pond loaded at 80 kg BOD ha−1 day−1 was treated in a subsurface horizontal‐flow aerated rock filter (RF) and a subsurface horizontal‐flow constructed wetland (CW) planted with Typha latifolia. Over a 12‐month monitoring period BOD and TSS removals were higher, and effluent ammonia concentrations lower, in the RF than in the CW (>75% vs. 25−75%, and 3.6 mg N L−1 vs. 6 mg N L−1, respectively). However, the ammonia concentration was lower in the CW effluent than in the aerated RF effluent during mid‐July to mid‐September (1.1 mg N L−1 vs. 2.2 mg N L−1), but in winter it was higher than the influent concentration. Overall the performance of the aerated RF was better and more consistent than that of the CW.
Ammonia Removal from Facultative Pond Effluents in a Constructed Wetland and an Aerated Rock Filter: Performance Comparison in Winter and Summer
Johnson, Michelle L. (Autor:in) / Mara, D. Duncan (Autor:in)
Water Environment Research ; 79 ; 567-570
01.05.2007
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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