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240715s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.188
|2 doi
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|a pubmed24n1471.xml
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|a (NLM)39007319
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|a DE-627
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|a eng
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|a Li, Shan-Wei
|e verfasserin
|4 aut
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|a Implementing a completely autotrophic nitrogen removal over nitrite process using a novel umbrella basalt fiber carrier
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.07.2024
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|a Date Revised 15.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY-NC-ND 4.0), which permits copying and redistribution for non-commercial purposes with no derivatives, provided the original work is properly cited (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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|a The completely autotrophic nitrogen removal over nitrite (CANON) process is significantly hindered by prolonged start-up periods and unstable nitrogen removal efficiency. In this study, a novel umbrella basalt fiber (BF) carrier with good biological affinity and adsorption performance was used to initiate the CANON process. The CANON process was initiated on day 64 in a sequencing batch reactor equipped with umbrella BF carriers. During this period, the influent NH4+-N concentration gradually increased from 100 to 200 mg·L-1, and the dissolved oxygen was controlled below 0.8 mg L-1. Consequently, an average ammonia nitrogen removal efficiency (ARE) and total nitrogen removal efficiency (TNRE) of ∼90 and 80% were achieved, respectively. After 130 days, ARE and TNRE remained stable at 92 and 81.1%, respectively. This indicates a reliable method for achieving rapid start-up and stable operation of the CANON process. Moreover, Candidatus Kuenenia and Candidatus Brocadia were identified as dominant anammox genera on the carrier. Nitrosomonas was the predominant genus among ammonia-oxidizing bacteria. Spatial differences were observed in the microbial population of umbrella BF carriers. This arrangement facilitated autotrophic nitrogen removal in a single reactor. This study indicates that the novel umbrella BF carrier is a highly suitable biocarrier for the CANON process
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|a Journal Article
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|a CANON
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|a anammox
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|a nitrogen removal
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|a partial nitrification
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|a umbrella basalt fiber carrier
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Nitrites
|2 NLM
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|a Xu, Wei
|e verfasserin
|4 aut
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|a Xie, Yu-Jie
|e verfasserin
|4 aut
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|a Fu, Liang
|e verfasserin
|4 aut
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| 700 |
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|a Gao, Qi
|e verfasserin
|4 aut
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|a Wang, Xiao-Chun
|e verfasserin
|4 aut
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|a Li, Yan
|e verfasserin
|4 aut
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|a Wu, Zhi-Ren
|e verfasserin
|4 aut
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| 773 |
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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 90(2024), 1 vom: 15. Juli, Seite 270-286
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:90
|g year:2024
|g number:1
|g day:15
|g month:07
|g pages:270-286
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|u http://dx.doi.org/10.2166/wst.2024.188
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