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Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer

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Main Authors: Nurul Huda, Baharuddin, Nik Meriam, Nik Sulaiman, Mohamed Kheireddine, Aroua
Other Authors: hudabaharuddin@unimap.edu.my
Format: Article
Language:English
Published: John Wiley and Sons Inc. 2016
Subjects:
Complexing agents
Multivalent metal ions removal
Polyethylene glycol
Polymer-enhanced ultrafiltration
Unmodified starch
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41241
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spelling my.unimap-412412016-04-01T01:38:09Z Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer Nurul Huda, Baharuddin Nik Meriam, Nik Sulaiman Mohamed Kheireddine, Aroua hudabaharuddin@unimap.edu.my mk_aroua@um.edu.my Complexing agents Multivalent metal ions removal Polyethylene glycol Polymer-enhanced ultrafiltration Unmodified starch Link to publisher's homepage at http://onlinelibrary.wiley.com/ In this study, aqueous solutions containing mixtures of heavy metals namely Zn (II), Pb (II), Cr (III), and Cr (VI) were treated by polymer-enhanced ultrafiltration (PEUF) using unmodified starch as binding biopolymer. The performance of starch in removing these heavy metals was compared with that of polyethylene glycol (PEG) a commonly used polymer in PEUF processes. Rejection coefficients and flux were studied under different values of pH solution and metal ion concentrations maintaining the transmembrane pressure constant at 1.5 bar. At pH 7, and starch concentration of 0.05%, the rejection was the highest at around 90%. As metal ion concentration increased from 10 to 50 mg/L, the rejection of metal ions decreased. It was found that starch gave higher rejection for Zn (II) and Cr (III) at 0.05 g/L of polymer concentration, whereas 1 g/L of PEG concentration gave higher rejection for Cr (VI) at 10 mg/L. The influence of metal ion concentration on Pb (II) rejection is not significant for the two selected polymers. The rejection of these metal ions by starch in this study is found to be influenced by granule structure that generally behaved in a non-ionic manner. 2016-04-01T01:38:09Z 2016-04-01T01:38:09Z 2015 Article Environmental Progress & Sustainable Energy, vol. 34 (2), 2015, pages 359–367 1944-7450 (Online) 1944-7442 (Print) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41241 10.1002/ep.11995 en John Wiley and Sons Inc.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Complexing agents
Multivalent metal ions removal
Polyethylene glycol
Polymer-enhanced ultrafiltration
Unmodified starch
spellingShingle Complexing agents
Multivalent metal ions removal
Polyethylene glycol
Polymer-enhanced ultrafiltration
Unmodified starch
Nurul Huda, Baharuddin
Nik Meriam, Nik Sulaiman
Mohamed Kheireddine, Aroua
Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
description Link to publisher's homepage at http://onlinelibrary.wiley.com/
author2 hudabaharuddin@unimap.edu.my
author_facet hudabaharuddin@unimap.edu.my
Nurul Huda, Baharuddin
Nik Meriam, Nik Sulaiman
Mohamed Kheireddine, Aroua
format Article
author Nurul Huda, Baharuddin
Nik Meriam, Nik Sulaiman
Mohamed Kheireddine, Aroua
author_sort Nurul Huda, Baharuddin
title Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
title_short Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
title_full Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
title_fullStr Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
title_full_unstemmed Removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
title_sort removal of heavy metal ions from mixed solutions via polymer-enhanced ultrafiltration using starch as a water-soluble biopolymer
publisher John Wiley and Sons Inc.
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41241
_version_ 1643799604973535232
score 13.214268

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