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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/wer.1247
|2 doi
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|a pubmed24n1005.xml
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|a (DE-627)NLM301678170
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|a (NLM)31560133
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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 |
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|a Li, Tian
|e verfasserin
|4 aut
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|a Application of coagulation-ultrafiltration-nanofiltration in a pilot study for Tai Lake water treatment
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|c 2020
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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 03.04.2020
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|a Date Revised 03.04.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 Water Environment Federation.
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|a In this study, the inline coagulation was combined with ultrafiltration and nanofiltration (UF-NF) in a pilot study for Tai Lake water treatment. The results showed that the combination process was very effective for Tai Lake water treatment in terms of organic removal and membrane fouling control. With inline coagulation, no irreversible membrane fouling was observed for either UF or NF at fluxes of 65-90 and 22-26 L/(m2 hr), respectively. The membrane foulants were analyzed, and the results indicated that the low molecular weight fractions in the feed were main membrane fouling contributors for both UF and NF, where hydrophilic substances and proteins, as well as neutral substances and humic acids with polycarboxyl groups, contributed significantly to UF and NF membrane fouling, respectively. Compared with direct UF-NF filtration without coagulation, the coagulants could aggregate organic micromolecules for cake formation. With inline coagulation, the moving flocs could generate shear stress to scrub the membrane surface for fouling control of UF. Moreover, with inline coagulation, the organics removal efficiency could be further increased by 10%-20%. With NF, the permeate had a TOC concentration of less than 0.5 mg/L, satisfying the drinking water quality. Therefore, the coagulation-UF-NF is very useful for Tai Lake water treatment. PRACTITIONER POINTS: Inline coagulation-UF-NF for Tai Lake Water treatment is implemented. Inline coagulation can aggregate hydrophilic substances to reduce membrane fouling. Moving flocs produce shear stress for fouling control of UF-NF. Superior quality of permeate is achieved with the combined coagulation-UF-NF process
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|a Journal Article
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|a inline coagulation
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|a membrane fouling
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|a nanofiltration
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|a pilot study
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|a ultrafiltration
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|a Humic Substances
|2 NLM
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|a Membranes, Artificial
|2 NLM
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| 700 |
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|a Zhang, Yunlu
|e verfasserin
|4 aut
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|a Gui, Bo
|e verfasserin
|4 aut
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|a Gao, Kuo
|e verfasserin
|4 aut
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|a Zhao, Qingqing
|e verfasserin
|4 aut
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|a Qu, Ruixin
|e verfasserin
|4 aut
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|a Liu, Tuodong
|e verfasserin
|4 aut
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|a Hoffmann, Michael
|e verfasserin
|4 aut
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|a Staaks, Christian
|e verfasserin
|4 aut
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| 700 |
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|a Dong, Bingzhi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 92(2020), 4 vom: 27. Apr., Seite 579-587
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:92
|g year:2020
|g number:4
|g day:27
|g month:04
|g pages:579-587
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|u http://dx.doi.org/10.1002/wer.1247
|3 Volltext
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|d 92
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|h 579-587
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