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Recovering ethyl acetate from aqueous solution using P(VDF-co-HFP) membrane based pervaporation [An article from: Desalination]
Book Details
Author(s)B.K. Zhu, X.Z. Tian, Y.Y. Xu
PublisherElsevier
ISBN / ASINB000RR5CCW
ISBN-13978B000RR5CC7
AvailabilityAvailable for download now
Sales Rank99,999,999
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Desalination, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Poly (vinylidene fluoride-co-hexafluoropropene) (P(VDF-co-HFP)) was introduced as a novel membrane material for the pervaporation process. To enhance permeation flux, the multi-layered composite membranes were prepared using P(VDF-co-HFP) as skin layer on polypropene (PP) nonwoven fabric. The pervaporation properties of the P(VDF-co-HFP) /PP composite membranes for separating ethyl acetate (EtAc) from water solution were investigated and compared with those of poly (dimethylsixolane) (PDMS) and poly (ether block amide) (PEBA)membranes. It was found that EtAc concent in permeate could be as high as 60-90 wt% while the EtAc concentration in feed of EtAc/water mixture below 5.0 wt%. The relationships between pervaporation properties and the swelling in skin layer were discussed. Basing on these composite membranes had comparable performance to PDMS and PEBA membranes, it was indicated that P(VDF-co-HFP) should be a potential candidate in pervaporarion for separating organics from aqueous mixtures.
Description:
Poly (vinylidene fluoride-co-hexafluoropropene) (P(VDF-co-HFP)) was introduced as a novel membrane material for the pervaporation process. To enhance permeation flux, the multi-layered composite membranes were prepared using P(VDF-co-HFP) as skin layer on polypropene (PP) nonwoven fabric. The pervaporation properties of the P(VDF-co-HFP) /PP composite membranes for separating ethyl acetate (EtAc) from water solution were investigated and compared with those of poly (dimethylsixolane) (PDMS) and poly (ether block amide) (PEBA)membranes. It was found that EtAc concent in permeate could be as high as 60-90 wt% while the EtAc concentration in feed of EtAc/water mixture below 5.0 wt%. The relationships between pervaporation properties and the swelling in skin layer were discussed. Basing on these composite membranes had comparable performance to PDMS and PEBA membranes, it was indicated that P(VDF-co-HFP) should be a potential candidate in pervaporarion for separating organics from aqueous mixtures.
