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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2020.1838622
|2 doi
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|a pubmed24n1054.xml
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|a (DE-627)NLM316331252
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|a (NLM)33063640
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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 Zhang, Hong-Ling
|e verfasserin
|4 aut
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1 |
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|a Effects of pure oxygen aeration on organic pollutants removal performance and soluble microbial products characteristics of salt-tolerant activated sludge
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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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 11.04.2022
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The effects of pure oxygen aeration on organic pollutants removal performance and effluent soluble microbial products (SMP) characteristics of salt-tolerant sludge for the treatment of wastewater with the salinity from 1.0% to 3.5% were investigated. The results showed that the oxygen transfer efficiency of the pure oxygen aeration was higher than that of the air aeration. At the low salinities (0.5%, 1.0%, 1.5%), the total organic carbon (TOC) removal rates were 71.42%, 72.88% and 76.30%, respectively, much higher than those with air aeration. However, there were no significant differences of TOC removal efficiency between the air aeration and the pure oxygen aeration at high salinities (2.5% and 3.5%). The SMP contents showed a trend of first decline and then increase generally. The content of SMP with pure oxygen aeration was lower than that with air aeration at low salinity, whereas an opposite result was obtained for salinity above 2.5%. Five excitation-emission matrix (EEM) fluorescence peaks detected in the SMP with pure oxygen aeration and air aeration were assigned to tryptophan protein-like, tyrosine protein-like and humic acid-like substances. Humic acid-like fluorescence mainly appeared in the SMP with air aeration, which may be due to respiratory failure under air aeration conditions
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|a Journal Article
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|a Salt tolerance
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|a activated sludge
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|a pure oxygen aeration
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|a saline wastewater
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|a soluble microbial products (SMP)
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|a Environmental Pollutants
|2 NLM
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|a Humic Substances
|2 NLM
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|a Sewage
|2 NLM
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|a Waste Water
|2 NLM
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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| 700 |
1 |
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|a Hu, Ya-Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qin, Dan-Ning
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Hong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 43(2022), 10 vom: 02. Apr., Seite 1471-1479
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:43
|g year:2022
|g number:10
|g day:02
|g month:04
|g pages:1471-1479
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|u http://dx.doi.org/10.1080/09593330.2020.1838622
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