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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2019.1701567
|2 doi
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|a eng
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|a Lu, Binchao
|e verfasserin
|4 aut
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|a Co-metabolic biodegradation of 4-chlorophenol by photosynthetic bacteria
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|c 2021
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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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|a Date Completed 09.06.2021
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|a Date Revised 09.06.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a ABSTRACTEnvironmental contamination by 4-chlorophenol (4-CP) is a major concern. Photosynthetic bacteria have the ability to biodegrade 4-CP under dark aerobic conditions. In this study, we found that using different carbon sources (i.e. glucose, sodium acetate, sodium propionate sucrose, and malic acid) as co-metabolic substrates accelerated the biodegradation of 4-CP, and this acceleration was especially pronounced in the glucose treatment. A maximum degradation rate of 96.99% was reached under a concentration of 3.0 g·L-1 after 6 days of culture. The optimum conditions were pH 7.5, a temperature of 30°C, and a rotation speed of 135 rpm. The biodegradation of 4-CP was achieved at a range of salinities (0-3.0% NaCl, w/v). The biodegradation kinetics agreed with the Haldane model, and the kinetic constants were rmax = 0.14 d-1, Km = 33.9 mg·L-1, and Ki = 159.6 mg·L-1. Additionally, the coexistence of phenol or 2,4-dichlorophenol (2, 4-DCP) had a certain impact on the degradation of 4-CP under dark aerobic conditions. When the coexisting phenol concentration reached 100 mg·L-1, the maximum degradation rate of 4-CP reached 90.20%. The degradation rate of 4-CP decreased as the concentration of coexisting 2, 4-DCP increased
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|a Journal Article
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|a 4-chlorophenol
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|a Co-metabolic biodegradation
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|a dark aerobic
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|a phenol
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|a photosynthetic bacteria
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|a Chlorophenols
|2 NLM
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|a 4-chlorophenol
|2 NLM
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|a 3DLC36A01X
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1 |
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|a Wang, Liang
|e verfasserin
|4 aut
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|a Zheng, Xin
|e verfasserin
|4 aut
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|a Hu, Zhongce
|e verfasserin
|4 aut
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|a Pan, Zhiyan
|e verfasserin
|4 aut
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|i Enthalten in
|t Environmental technology
|d 1993
|g 42(2021), 15 vom: 22. Juni, Seite 2361-2371
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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|g volume:42
|g year:2021
|g number:15
|g day:22
|g month:06
|g pages:2361-2371
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|u http://dx.doi.org/10.1080/09593330.2019.1701567
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