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Thin-Film Nanofibrous Composite Ultrafiltration Membranes Based on Polyvinyl Alcohol Barrier Layer Containing Directional Water Channels

Tipo de material: TextoTextoSeries ; Ind. Eng. Chem. Res., 49(23), p.11978-11984, 2010Trabajos contenidos:
  • Ma, H
  • Yoon, K
  • Rong, L
  • Shokralla, M
  • Kopot, A
  • Wang, X
  • Fang, D
  • Fang, D
  • Chu, B
Recursos en línea: Resumen: A new class of thin-film nanofibrous composite (TFNC)membranes, composed of a chemically cross-linked polyvinyl alcohol (PVA)barrier layer containing directional water channels through the incorporation of very fine nanofiber fillers, an electrospun polyacrylonitrile (PAN)nanofibrous scaffold midlayer, and a meltblown polyethylene terephthalate (PET)nonwoven support, was demonstrated for ultrafiltration (UF)of oil/ water emulsions. The permeation flux of TFNC membrane with a pure PVA barrier layer was already about 5 times higher than that of the commercial PAN10 (Sepro)UF membrane at low pressures (e.g., 30 psi), while maintaining a similar rejection ratio (¡« 99.7
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Documentos solicitados Documentos solicitados CICY Documento préstamo interbibliotecario Ref1 B-12322 (Browse shelf(Opens below)) Available

A new class of thin-film nanofibrous composite (TFNC)membranes, composed of a chemically cross-linked polyvinyl alcohol (PVA)barrier layer containing directional water channels through the incorporation of very fine nanofiber fillers, an electrospun polyacrylonitrile (PAN)nanofibrous scaffold midlayer, and a meltblown polyethylene terephthalate (PET)nonwoven support, was demonstrated for ultrafiltration (UF)of oil/ water emulsions. The permeation flux of TFNC membrane with a pure PVA barrier layer was already about 5 times higher than that of the commercial PAN10 (Sepro)UF membrane at low pressures (e.g., 30 psi), while maintaining a similar rejection ratio (¡« 99.7

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