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231224s2012 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2012.930
|2 doi
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|a pubmed25n0719.xml
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|a (NLM)22378000
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|a DE-627
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|c DE-627
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|a eng
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|a Ma, C Y
|e verfasserin
|4 aut
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|a Preparation, characterization and performance of a novel PVDF/PMMA/TPU blend hollow fiber membrane for wastewater treatment
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|c 2012
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|a Text
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|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 03.05.2012
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|a Date Revised 01.03.2012
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|a published: Print
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|a Citation Status MEDLINE
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|a Polyvinylidene fluoride (PVDF)/polymethylmethacrylate (PMMA)/thermoplastic polyurethane (TPU) blend hollow fiber membranes were successfully prepared by the wet-spinning method with the loading of PMMA and TPU in a range of polymer concentrations varying from 0 to 20 wt% and at a total polymer concentration of 16 wt%. The influence of the addition of PMMA and TPU on the morphologies and the properties of such prepared membranes was investigated through FTIR-ATR, SEM, viscosity measurements, UF experiments and mechanical strength tests. Based on the experimental results, the compatibility of the PVDF, PMMA and TPU blend was best under the conditions of the PVDF-rich phase. The elongation at break of the membrane increased to a maximum of 146% with increase in the TPU concentration to 20 wt% in dope solution. The addition of PMMA increased the water permeation flux from 120 to 195 L/(m(2) h) initially. The flux then decreased when PMMA concentration was increased to over 10 wt%. The membranes obtained at optimized blending ratio were applied to the dyeing process wastewater filtration. During continuous filtration for 8 h, the flux was stabilized at about 20 L/(m(2) h) at 0.1 MPa. The reduction in COD(Cr), turbidity and color were about 63, 84 and 63% respectively
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Membranes, Artificial
|2 NLM
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|a Polyurethanes
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|a Polyvinyls
|2 NLM
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|a polyvinylidene fluoride
|2 NLM
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|a 24937-79-9
|2 NLM
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|a Polymethyl Methacrylate
|2 NLM
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|a 9011-14-7
|2 NLM
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|a Huang, J P
|e verfasserin
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|a Xi, D L
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 65(2012), 6 vom: 21., Seite 1041-7
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:65
|g year:2012
|g number:6
|g day:21
|g pages:1041-7
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|u http://dx.doi.org/10.2166/wst.2012.930
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