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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/wer.10724
|2 doi
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|a pubmed24n1137.xml
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|a (DE-627)NLM341372595
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|a (NLM)35614874
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Fofana, Rahil
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Media selection for anammox-based polishing filters
|b Balancing anammox enrichment and retention with filtration function
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|c 2022
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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
|b cr
|2 rdacarrier
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|a Date Completed 27.05.2022
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|a Date Revised 18.06.2022
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|a published: Print
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|a ErratumIn: Water Environ Res. 2022 Jun;94(6):e10753. - PMID 35716128
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|a Citation Status MEDLINE
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|a © 2022 Water Environment Federation.
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|a Retrofitting conventional denitrification filters into partial denitrification-anammox (PdNA)- or anammox (AnAOB)-based filters will reduce the needs for external carbon addition. The success of AnAOB-based filters depends on anammox growth and retention within such filters. Studies have overlooked the importance of media selection and its impact on AnAOB capacity, head loss progression dynamics, and shear conditions applied onto the AnAOB biofilm. The objective of this study was to evaluate viable media types (10 types) that can enhance AnAOB rates for efficient nitrogen removal in filters. Given the higher backwash requirement and lower AnAOB capacity of the conventionally used sand, expanded clay (3-5 mm) was recommended for AnAOB-based filters in this study. Owing to its surface characteristics, expanded clay had higher AnAOB activity (304- vs. 104-g NH4 + -N/m2 /day) and higher AnAOB retention (43% more) than sand. Increasing the iron content of expanded clay to 37% resulted in an increase in zeta potential, which led to 56% more anammox capacity compared to expanded clay with 7% iron content. This work provides insight into the importance of media types in the growth and retention of AnAOB in filters, and this knowledge could be used as basis in the development of PdNA filters. PRACTITIONER POINTS: Expanded clay showed the lowest head loss buildup and most likely will result in longer runtime for full-scale PdNA applications The highest AnAOB rates were achieved in expanded clay types and sand compared with smaller media typically used in biofiltration Expanded clay resulted in better AnAOB retention under shear, whereas sand could not withstand shear and required more frequent backwashing Expanded clay iron coating enhanced AnAOB enrichment and retention, most likely due to increased surface roughness and/or positive charge
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|a Journal Article
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|a deammonification
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|a denitrification filters
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|a expanded clay
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|a nutrient removal
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|a sand
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|a shortcut N removal
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|a Ammonium Compounds
|2 NLM
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|a Culture Media
|2 NLM
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| 650 |
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|a Sand
|2 NLM
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|a Sewage
|2 NLM
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|a Iron
|2 NLM
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| 650 |
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|a E1UOL152H7
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 650 |
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|a Clay
|2 NLM
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| 650 |
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|a T1FAD4SS2M
|2 NLM
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| 700 |
1 |
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|a Peng, Bo
|e verfasserin
|4 aut
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1 |
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|a Huynh, Huu
|e verfasserin
|4 aut
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1 |
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|a Sajjad, Mehran
|e verfasserin
|4 aut
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|a Jones, Kimberly
|e verfasserin
|4 aut
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|a Al-Omari, Ahmed
|e verfasserin
|4 aut
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|a Bott, Charles
|e verfasserin
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1 |
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|a Delgado Vela, Jeseth
|e verfasserin
|4 aut
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|a Murthy, Sudhir
|e verfasserin
|4 aut
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|a Wett, Bernhard
|e verfasserin
|4 aut
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|a Debarbadillo, Christine
|e verfasserin
|4 aut
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|a De Clippeleir, Haydee
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 94(2022), 5 vom: 20. Mai, Seite e10724
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:94
|g year:2022
|g number:5
|g day:20
|g month:05
|g pages:e10724
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|u http://dx.doi.org/10.1002/wer.10724
|3 Volltext
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|d 94
|j 2022
|e 5
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|c 05
|h e10724
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