High flux and rejection of hierarchical composite membranes based on carbon nanotube network and ultrathin electrospun nanofibrous layer for dye removal
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作者:
Xu, Zhiwei
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Xu, Zhiwei
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Li, Xianhua
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Li, Xianhua
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Teng, Kunyue
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Teng, Kunyue
[1
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Zhou, Baoming
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Zhou, Baoming
[1
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Ma, Meijun
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Ma, Meijun
[1
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Shan, Mingjing
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Shan, Mingjing
[1
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Jiao, Kunyan
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Jiao, Kunyan
[1
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Qian, Xiaoming
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Qian, Xiaoming
[1
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Fan, Jintu
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Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R ChinaTianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
Fan, Jintu
[1
]
机构:
[1] Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
A gradient composite membrane has been put forward in this paper, which is cost-efficient and remarkable to solve the problem of inherent tradeoff between flux and selectivity. The hierarchical composite membrane exhibited an ideal morphology, which was comprised of oxidized multi-wall carbon nanotubes (OMWCNTs) functional layer built via electrospraying, ultrathin electrospun polyacrylonitrile (PAN) midlayer and microfibrous polypropylene (PP) nonwoven support. Experimental results showed that when the additive amount of OMWCNTs was 1 wt%, the composite membranes presented an excellent flux (up to 3891.85 L m(-2) h(-1) at a low pressure of 0.1 MPa) and a superior indigo rejection ratio (98.73%). Compared with PAN/PP composite membrane, its rejection ratio increased 3.11 times, while the water flux only reduced 17.30%. It was owing that the excellent hydrophilicity of OMWCNTs network and ultrathin electrospun PAN midlayer endowed the composite membrane with a high flux. And the high rejection efficiency of OMWCNTs-PAN/PP composite membranes was achieved on the account of the combination of gradient structures (i. e., OMWCNTs network and ultrathin PAN nanofibrous membrane) and multilevel filtration mechanisms. Therefore, the OMWCNTs-PAN/PP composite membranes have opened up an innovative alternative for the fabrication of high flux and rejection composite membranes in wastewater treatment.
机构:
Univ Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, CanadaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
Feng, C.
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Khulbe, K. C.
Matsuura, T.
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Univ Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, CanadaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
Matsuura, T.
Tabe, S.
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Ontario Minist Environm, Environm Sci & Stand Div, Toronto, ON M4V 1M2, CanadaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
Tabe, S.
Ismail, A. F.
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Univ Teknol Malaysia, Adv Membrane Technol Res Ctr AMTEC, Johor Baharu 81310, Johor, MalaysiaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
机构:
Lulea Univ Technol, Div Mat Sci, S-97187 Lulea, SwedenLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Goetz, Lee A.
Jalvo, Blanca
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Univ Alcala, Dept Chem Engn, E-28871 Madrid, SpainLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Jalvo, Blanca
Rosal, Roberto
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Univ Alcala, Dept Chem Engn, E-28871 Madrid, SpainLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Rosal, Roberto
Mathew, Aji P.
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Lulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, SwedenLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
机构:
Univ Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, CanadaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
Feng, C.
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Khulbe, K. C.
Matsuura, T.
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Univ Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, CanadaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
Matsuura, T.
Tabe, S.
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机构:
Ontario Minist Environm, Environm Sci & Stand Div, Toronto, ON M4V 1M2, CanadaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
Tabe, S.
Ismail, A. F.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Adv Membrane Technol Res Ctr AMTEC, Johor Baharu 81310, Johor, MalaysiaUniv Ottawa, Dept Chem & Biol Engn, Ind Membrane Res Lab, Ottawa, ON K1N 6N5, Canada
机构:
Lulea Univ Technol, Div Mat Sci, S-97187 Lulea, SwedenLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Goetz, Lee A.
Jalvo, Blanca
论文数: 0引用数: 0
h-index: 0
机构:
Univ Alcala, Dept Chem Engn, E-28871 Madrid, SpainLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Jalvo, Blanca
Rosal, Roberto
论文数: 0引用数: 0
h-index: 0
机构:
Univ Alcala, Dept Chem Engn, E-28871 Madrid, SpainLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Rosal, Roberto
Mathew, Aji P.
论文数: 0引用数: 0
h-index: 0
机构:
Lulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden
Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, SwedenLulea Univ Technol, Div Mat Sci, S-97187 Lulea, Sweden