Journal
E-JOURNAL OF CHEMISTRY
Volume 8, Issue 3, Pages 1038-1043Publisher
WWW PUBL PTE
DOI: 10.1155/2011/645628
Keywords
Absorption; Heavy metals; Plating wastewater; Polymeric chelating ligands
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Funding
- Ministry of Science, Technology and Innovation of Malaysia [SCF0011-IND-2006]
- International Foundation for Science, Sweden [W/3431-1]
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Synthesis of poly(hydroxamic acid)-poly(amidoxime) chelating ligands were carried out from poly(methyl acrylate-co-acrylonitrile) grafted sago starch and hydroxylamine in alkaline medium. The binding property of metal ions was performed and maximum sorption capacity of the copper was 3.20 mmol/g and the rate of exchange of some metals was faster, i.e. t(1/2) approximate to 7 min (average). Two types of wastewater containing chromium, zinc, nickel, copper and iron, etc. were used and the heavy metal recovery was found to be highly efficient, about 99% of the metals could be removed from the metal plating wastewater.
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