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231227s2023 xx |||||o 00| ||eng c |
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|a 10.1002/wer.10953
|2 doi
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|a pubmed25n1219.xml
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|a (DE-627)NLM366018949
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|a (NLM)38111191
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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 Stricker, Birthe K
|e verfasserin
|4 aut
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|a Removal of emerging micropollutants from nanofiltration retentate of municipal wastewater within biological fixed-bed reactors under nitrifying and denitrifying conditions
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.12.2023
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|a Date Revised 28.12.2023
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Water Environment Research published by Wiley Periodicals LLC on behalf of Water Environment Federation.
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|a Municipal water resource recovery facilities are not designed to eliminate micropollutants, leading to many pollutants entering the aquatic environment. Within this study, as part of the project MicroStop, the biological treatment of nanofiltration effluent (retentate) under pure aerobic (without nitrification) as well as nitrifying and denitrifying conditions has been investigated for micropollutant elimination. A potential of further biotransformation under increased hydraulic retention time (HRT) of 14 days was shown. Under both HRT of 7 and 14 days, eliminations below LOQ were achieved in the aerated bioreactor for gabapentin, iomeprol, and metoprolol, reaching > 95%, > 69 to > 92%, and > 72%, respectively. The reduction of diclofenac was positively influenced by longer HRT leading to an elimination of up to 67%. Sulfamethoxazole was reduced under denitrification, but accumulated under aeration, resulting in fluctuating results and an overall elimination of 78% under 14 days HRT. PRACTITIONER POINTS: The micropollutant elimination in fixed-bed bioreactors of highly concentrated nanofiltration retentate was studied. Pure aerobic (without nitrification), nitrifying, and denitrifying conditions were investigated under hydraulic retention times (HRT) of 7 and 14 days. Higher initial pollutant concentrations enhanced the biological degradability in attached growth for substances being moderately degradable in activated sludge systems. 4A potential of further biological micropollutant elimination was shown for gabapentin, iomeprol, metoprolol, and diclofenac
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|a Journal Article
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|a MicroStop
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|a denitrification
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|a fixed-bed bioreactor
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|a micropollutants
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|a municipal wastewater
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|a nanofiltration retentate treatment
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|a nitrification
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|a Wastewater
|2 NLM
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|a Diclofenac
|2 NLM
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| 650 |
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|a 144O8QL0L1
|2 NLM
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| 650 |
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|a iomeprol
|2 NLM
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| 650 |
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|a 17E17JBP8L
|2 NLM
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| 650 |
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|a Gabapentin
|2 NLM
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| 650 |
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|a 6CW7F3G59X
|2 NLM
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|a Metoprolol
|2 NLM
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|a GEB06NHM23
|2 NLM
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|a Sewage
|2 NLM
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| 700 |
1 |
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|a Tamim, Dana A
|e verfasserin
|4 aut
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1 |
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|a Rechtenbach, Dorothea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Behrendt, Joachim
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Otterpohl, Ralf
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 95(2023), 12 vom: 19. Dez., Seite e10953
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnas
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| 773 |
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|g volume:95
|g year:2023
|g number:12
|g day:19
|g month:12
|g pages:e10953
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|u http://dx.doi.org/10.1002/wer.10953
|3 Volltext
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