Preparation of cellulose acetate membrane coated by PVA/Fe3O4 nanocomposite thin film: an in situ procedure

Preparation of cellulose acetate membrane coated by PVA/Fe3O4 nanocomposite thin film: an in situ... The surface modification of porous cellulose acetate (CA) flat sheet membranes containing 8-hydroxyquinoline (as ligand) was carried out by coating with poly(vinyl alcohol) (PVA)/Fe3O4 nanocomposite solution. Nanocomposite solution was provided by in situ formation of Fe3O4 nanostructures in a polymeric solution containing poly(vinyl alcohol) via a facile chemical procedure. The provided membranes were used for Ni(II) and Cd(II) ion removal from aqueous solutions. The influences of membrane modification, initial feed concentration, and filler loading on the membrane performance for removal of the mentioned ions were investigated. The results showed that ion rejection was enhanced by addition of magnetite nanostructures and 8-hydroxyquinoline to the membrane matrix. Several techniques including IR spectroscopy, X-ray diffraction, SEM, water contact angle, and overall porosity measurements were used to characterize the prepared samples. Morphological studies showed appropriate distribution of magnetite nanostructures in the polymeric backbone of nanocomposite membrane. The filtration/regeneration tests were sequentially performed and confirmed the facile regeneration of the nanocomposite membranes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Colloid Polymer Science Springer Journals

Preparation of cellulose acetate membrane coated by PVA/Fe3O4 nanocomposite thin film: an in situ procedure

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Chemistry; Polymer Sciences; Soft and Granular Matter, Complex Fluids and Microfluidics; Characterization and Evaluation of Materials; Physical Chemistry; Food Science; Nanotechnology and Microengineering
ISSN
0303-402X
eISSN
1435-1536
D.O.I.
10.1007/s00396-018-4339-2
Publisher site
See Article on Publisher Site

Abstract

The surface modification of porous cellulose acetate (CA) flat sheet membranes containing 8-hydroxyquinoline (as ligand) was carried out by coating with poly(vinyl alcohol) (PVA)/Fe3O4 nanocomposite solution. Nanocomposite solution was provided by in situ formation of Fe3O4 nanostructures in a polymeric solution containing poly(vinyl alcohol) via a facile chemical procedure. The provided membranes were used for Ni(II) and Cd(II) ion removal from aqueous solutions. The influences of membrane modification, initial feed concentration, and filler loading on the membrane performance for removal of the mentioned ions were investigated. The results showed that ion rejection was enhanced by addition of magnetite nanostructures and 8-hydroxyquinoline to the membrane matrix. Several techniques including IR spectroscopy, X-ray diffraction, SEM, water contact angle, and overall porosity measurements were used to characterize the prepared samples. Morphological studies showed appropriate distribution of magnetite nanostructures in the polymeric backbone of nanocomposite membrane. The filtration/regeneration tests were sequentially performed and confirmed the facile regeneration of the nanocomposite membranes.

Journal

Colloid Polymer ScienceSpringer Journals

Published: May 30, 2018

References

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