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Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal

Today, research and development of membrane technology are focused towards the improvement of properties and performances through membrane modification by using nanoparticles. In this research, hydrophobic cobalt-iron oxide nanoparticles were coated with polyethylene glycol (PEG) molecular weight MW...

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Main Author: Chan, Kian Hwa
Format: Thesis
Language:English
Published: 2015
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/53997/25/ChanKianHwaMFCHe2015.pdf
http://eprints.utm.my/id/eprint/53997/
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spelling my.utm.539972020-10-14T08:36:14Z http://eprints.utm.my/id/eprint/53997/ Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal Chan, Kian Hwa TP Chemical technology Today, research and development of membrane technology are focused towards the improvement of properties and performances through membrane modification by using nanoparticles. In this research, hydrophobic cobalt-iron oxide nanoparticles were coated with polyethylene glycol (PEG) molecular weight MW-600 to prevent the agglomeration of nanoparticles and to improve its dispersion before adding into the dope solution containing 20 wt% polyethersulfone (PES) in dimethylformamide (DMF). The nanomodified membranes were characterized in terms of flux permeation (Q), wetting ability and solute separation. The prepared modified ultrafiltration membranes were then subjected to the separation of copper (II) ions and the separation efficiency of the nanoparticles modified membrane were found to improve significantly. This may be due to synergistic interaction between two additives that improved the structure as well as the performance of PES ultrafiltration membrane in terms of copper (II) rejection. The incorporation of 6% nanoparticles in the membranes had improved the copper (II) rejection from 10% to >90% with initial concentration of copper (II) at 20 ppm in cross flow filtration cell at pH 7. The membrane modified with nanoparticles also exhibited good regeneration ability and could be reused for more than five times without significantly drop in performances. In conclusion, incorporating of cobalt iron oxide nanoparticles coated with PEG can improve the copper (II) rejection of modified ultrafiltration membrane. 2015-02 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/53997/25/ChanKianHwaMFCHe2015.pdf Chan, Kian Hwa (2015) Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal. Masters thesis, Universiti Teknologi Malaysia, Faculty of Chemical Engineering. http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85858
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Chan, Kian Hwa
Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal
description Today, research and development of membrane technology are focused towards the improvement of properties and performances through membrane modification by using nanoparticles. In this research, hydrophobic cobalt-iron oxide nanoparticles were coated with polyethylene glycol (PEG) molecular weight MW-600 to prevent the agglomeration of nanoparticles and to improve its dispersion before adding into the dope solution containing 20 wt% polyethersulfone (PES) in dimethylformamide (DMF). The nanomodified membranes were characterized in terms of flux permeation (Q), wetting ability and solute separation. The prepared modified ultrafiltration membranes were then subjected to the separation of copper (II) ions and the separation efficiency of the nanoparticles modified membrane were found to improve significantly. This may be due to synergistic interaction between two additives that improved the structure as well as the performance of PES ultrafiltration membrane in terms of copper (II) rejection. The incorporation of 6% nanoparticles in the membranes had improved the copper (II) rejection from 10% to >90% with initial concentration of copper (II) at 20 ppm in cross flow filtration cell at pH 7. The membrane modified with nanoparticles also exhibited good regeneration ability and could be reused for more than five times without significantly drop in performances. In conclusion, incorporating of cobalt iron oxide nanoparticles coated with PEG can improve the copper (II) rejection of modified ultrafiltration membrane.
format Thesis
author Chan, Kian Hwa
author_facet Chan, Kian Hwa
author_sort Chan, Kian Hwa
title Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal
title_short Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal
title_full Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal
title_fullStr Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal
title_full_unstemmed Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal
title_sort fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (ii) removal
publishDate 2015
url http://eprints.utm.my/id/eprint/53997/25/ChanKianHwaMFCHe2015.pdf
http://eprints.utm.my/id/eprint/53997/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85858
_version_ 1681489456808329216
score 13.211869

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