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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2192365
|2 doi
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|a pubmed24n1409.xml
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|a (DE-627)NLM354329138
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|a (NLM)36927407
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|e rakwb
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|a eng
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1 |
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|a Pirete, Luciana de Melo
|e verfasserin
|4 aut
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|a Microbial diversity and metabolic inference of diclofenac removal in optimised batch heterotrophic-denitrifying conditions by means of factorial design
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|c 2024
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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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|a Date Completed 15.05.2024
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|a Date Revised 15.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Using the Response Surface Methodology (RSM) and Rotational Central Composite Design (RCCD), this study evaluated the removal of DCF under denitrifying conditions, with ethanol as cosubstrate, in batch reactors, being 1 L Erlenmeyer flasks (330 mL of reactional volume) containing Dofing medium and kept under agitation at 130 rpm and incubated at mesophilic temperature (30 °C). It considered the individual and multiple effects of the variables: nitrate (130 - 230 mg NO3- L-1), DCF (60-100 µg DCF L-1) and ethanol (130 - 230 mg EtOH L-1). The highest drug removal efficiency (17.5%) and total nitrate removal were obtained at 176.6 ± 4.3 mg NO3 -L-1, 76.8 ± 3.7 µg DCF L-1, and 180.0 ± 2.5 mg EtOH L-1. Under such conditions, the addition of ethanol and nitrate was significant for the additional removal of diclofenac (p > 0.05). The prevalence of Rhodanobacter, Haliangium and Terrimonas in the inoculum biomass (activated sludge systems) was identified through the 16S rRNA gene sequencing. The potential of these genera to remove nitrate and degrade diclofenac was inferred, and the main enzymes potentially involved in this process were α-methylacyl-CoA racemase, long-chain fatty acid-CoA ligase, catalases and pseudoperoxidases
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|a Journal Article
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|a Emerging organic micropollutants
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|a Pharmaceuticals
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|a drugs
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|a response surface methodology
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|a rotational central composite design
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|a Camargo, Franciele Pereira
|e verfasserin
|4 aut
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|a Grosseli, Guilherme M
|e verfasserin
|4 aut
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|a Sakamoto, Isabel K
|e verfasserin
|4 aut
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|a Fadini, Pedro S
|e verfasserin
|4 aut
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|a Silva, Edson Luiz
|e verfasserin
|4 aut
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|a Varesche, Maria Bernadete Amâncio
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 14 vom: 15. Mai, Seite 2847-2866
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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|g volume:45
|g year:2024
|g number:14
|g day:15
|g month:05
|g pages:2847-2866
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|u http://dx.doi.org/10.1080/09593330.2023.2192365
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