Removal of zinc and lead ions by polymer-enhanced ultrafiltration using unmodified starch as novel binding polymer

Baharuddin, N.H. and Sulaiman, N.M.N. and Aroua, M.K. (2015) Removal of zinc and lead ions by polymer-enhanced ultrafiltration using unmodified starch as novel binding polymer. International Journal of Environmental Science and Technology, 12 (6). pp. 1825-1834. ISSN 1735-1472, DOI

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The removal of zinc and lead from aqueous dilute solutions by polymer-enhanced ultrafiltration process using unmodified starch as a new binding polymer was studied. Experiments were performed to determine the effects of transmembrane pressure, pH, concentration of metal ions on the retention and permeate flux. The performance of the proposed new binding polymer was compared to that of polyethyleneimine a conventional polymer frequently used in polymer-enhanced ultrafiltration. The retention of zinc and lead ions reached 96 and 66 , respectively, using 0.05 unmodified starch at pH 7. Overall unmodified starch showed better retention for zinc ions then polyethyleneimine, whereas polyethyleneimine retention for lead ions was higher. Solution pH was found to have little effect on flux.

Item Type: Article
Funders: University of Malaya, Kuala Lumpur, Malaysia PS 104-2010B , PV 092-2011B
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Uncontrolled Keywords: Complexing agents, metals, polyethyleneimine, separation, water soluble, heavy-metal ions, aqueous-solutions, polyethyleneimine pei, water, complexation, granules, location, sites, peuf,
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 17 Mar 2016 01:31
Last Modified: 17 Mar 2016 01:31

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