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20240628231909.0 |
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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2220890
|2 doi
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|a pubmed24n1454.xml
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|a (DE-627)NLM357622669
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|a (NLM)37260168
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, Qijie
|e verfasserin
|4 aut
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| 245 |
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|a Nitric acid oxidation and urea modification of carbon fibres as biofilm carriers
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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
|b cr
|2 rdacarrier
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|a Date Completed 28.06.2024
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|a Date Revised 28.06.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Carbon fibres (CF) are commonly used as carriers in biofilm-based wastewater treatment. The surface properties of the CF are herein modified using a combination of nitric acid oxidation and urea to optimise the carrier to immobilise bacterial cells. The capacity of the CF carriers to immobilise bacterial cells and activated sludge is evaluated using bacterial cell adhesion and sludge immobilisation tests. The total interaction energy profiles between the CF supports and bacterial cells were calculated according to the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory to explain the mechanism by which these modifications enhance this immobilisation capacity. CF-U has a high capacity for immobilising bacterial cells and activated sludge (3.7 g-sludge/g-CF supports) owing to its low total interaction energy. Nitric acid oxidation reduced the diiodomethane contact angle of CF from 55.1° to 38.5°, which reduced the Lifshitz-van der Waals interaction energy, while urea modification further increased the zeta potential of CF from 12.8 mV to -0.7 mV, thereby reducing the electrostatic interaction energy. Experiments and DLVO theory both determined that a combination of nitric acid oxidation and urea modification significantly enhanced the ability of CF to immobilise microorganisms
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|a Journal Article
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|a Carbon fibres
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|a DLVO theory
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|a microorganism immobilisation
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|a nitric acid oxidation
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|a urea modification
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|a Urea
|2 NLM
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|a 8W8T17847W
|2 NLM
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|a Nitric Acid
|2 NLM
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|a 411VRN1TV4
|2 NLM
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|a Carbon Fiber
|2 NLM
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| 650 |
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|a Sewage
|2 NLM
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| 700 |
1 |
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|a Shao, Ling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Zhenzhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yingwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dai, Guangze
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ying, Jialei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 18 vom: 27. Juni, Seite 3600-3611
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
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|g volume:45
|g year:2024
|g number:18
|g day:27
|g month:06
|g pages:3600-3611
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|u http://dx.doi.org/10.1080/09593330.2023.2220890
|3 Volltext
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