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20250208155112.0 |
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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed25n0577.xml
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|a (DE-627)NLM173133509
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|a (NLM)17802835
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Woźniak, R
|e verfasserin
|4 aut
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|a Interaction of oxygen concentration and retention of pollutants in vertical flow constructed wetlands for CSO treatment
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 18.10.2007
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|a Date Revised 17.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The EU Water Framework Directive (WFD) calls for a good quality of all water bodies. Retention soil filters (RSF) have been developed to treat discharges from combined sewers systems. RSF have proved over the past 15 years to be the most effective measure to meet the EU WFD standards, especially for small or particularly sensitive receiving waters, which require an enhanced reduction of emissions from combined sewer overflows (CSOs). The paper presents results from laboratory-scale experiments, in which the oxygen measurement in the filter plays a main role. The results show remarkable differences in oxygen concentrations in different filter depths. The highest oxygen consumption takes place in the upper part of the filter. In the lower part the re-aeration of sewage from the soil air dominates. This indicates that the biological activity is limited to the upper part of the filter. The availability of oxygen in the filter is a sign for degradation of wastewater compounds (ammonium, COD) under certain conditions and already takes place during the filter operation. The removal of ammonium especially cannot be strictly divided into phases of sorption during the loading and oxidation during the dry period any more
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|a Journal Article
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|a Sewage
|2 NLM
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|a Ammonia
|2 NLM
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|a 7664-41-7
|2 NLM
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|a Oxygen
|2 NLM
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|a S88TT14065
|2 NLM
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|a Dittmer, U
|e verfasserin
|4 aut
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|a Welker, A
|e verfasserin
|4 aut
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 56(2007), 3 vom: 10., Seite 31-8
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:56
|g year:2007
|g number:3
|g day:10
|g pages:31-8
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|d 56
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