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
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spelling	my-utm-ep.539972020-10-14T08:36:14Z Fabrication of polyethersulfone membrane by polyethyleneglycol coated cobalt-doped iron oxide for copper (II) removal 2015-02 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 http://eprints.utm.my/id/eprint/53997/ http://eprints.utm.my/id/eprint/53997/25/ChanKianHwaMFCHe2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85858 masters Universiti Teknologi Malaysia, Faculty of Chemical Engineering Faculty of Chemical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
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
qualification_level	Master's degree
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
granting_institution	Universiti Teknologi Malaysia, Faculty of Chemical Engineering
granting_department	Faculty of Chemical Engineering
publishDate	2015
url	http://eprints.utm.my/id/eprint/53997/25/ChanKianHwaMFCHe2015.pdf
_version_	1747817670627033088

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

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