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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02338naa a2200277 4500 | |
| 001 | oai:DiVA.org:liu-42443 | |
| 003 | SwePub | |
| 008 | 091010s2005 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-424432 URI |
| 040 | a (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Andersson, J.4 aut |
| 245 | 1 0 | a Free water surface wetlands for wastewater treatment in Sweden :b Nitrogen and phosphorus removal |
| 264 | 1 | c 2005 |
| 338 | a print2 rdacarrier | |
| 520 | a In South Sweden, free water surface wetlands have been built to treat wastewater from municipal wastewater treatment plants. Commonly, nitrogen removal has been the prime aim, though a significant removal of tot-P and BOD7 has been observed. In this study, performance data for 3-8 years from four large (20-28 ha) FWS wetlands have been evaluated. Two of them receive effluent from WWTP with only mechanical and chemical treatment. At the other two, the wastewater has also been treated biologically resulting in lower concentrations of BOD7 and NH4+-N. The wetlands performed satisfactorily and removed 0.7-1.5 ton N ha-1 yr-1 as an average for the time period investigated, with loads between 1.7 and 6.3 ton N ha-1 yr-1. Treatment capacity depended on the pre-treatment of the water, as reflected in the k20-values for N removal (first order area based mode). In the wetlands with no biological pre-treatment, the k20-values were 0.61 and 1.1 m month-1, whereas for the other two they were 1.7 and 2.5 m month-1. P removal varied between 10 and 41 kg ha-1 yr-1, and was related to differences in loads, P speciation and to the internal cycling of P in the wetlands. © IWA Publishing 2005. | |
| 653 | a NATURAL SCIENCES | |
| 653 | a NATURVETENSKAP | |
| 700 | 1 | a Kallner Bastviken, Sofia,d 1973-u Linköpings universitet,Tekniska högskolan,Ekologi4 aut0 (Swepub:liu)sofka82 |
| 700 | 1 | a Sundblad-Tonderski, Karin,d 1958-u Linköpings universitet,Tekniska högskolan,Ekologi4 aut0 (Swepub:liu)karsu52 |
| 710 | 2 | a Linköpings universitetb Tekniska högskolan4 org |
| 773 | 0 | t Water Science and Technologyg 51:9, s. 39-46q 51:9<39-46x 0273-1223x 1996-9732 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-42443 |
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