Heavy metal removal from electroplating wastewater using acacia cellulose based polymeric chelating ligand

Lutfor, Rahman and Siew, Simon Yong Wen and Fatt, Wong Hai and Sazmal Effendi Arshad, and Musta Baba, and Mohd Harun Abdullah, (2010) Heavy metal removal from electroplating wastewater using acacia cellulose based polymeric chelating ligand. In: 2009 MRS Fall Meeting, 30 November - 4 December 2009, Boston, MA..

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A polymeric chelating ligand containing hydroxamic acid and amidoxime functional groups were prepared from acrylate polymer grafted acacia cellulose and this ligand was introduced to remove heavy metals from industrial wastewaters. The heavy metals binding property with this ligand is excellent up to 3.78 mmol/ g sorbent and the rate of exchange of some metals was very fast i.e. t 1/2 ≈ 6 min (average). Two types of wastewater from electroplating plants used in this study those containing chromium, zinc, nickel, copper and iron etc. Before removing heavy metals from wastewater, pH was adjusted to 4 and various metal concentrations were used for finding the extraction capability of the ligand. It was found that the metals recovery was highly efficient, up to 99.99% of several heavy metals were removed from electroplating wastewater using the ligands. Therefore, the proposed polymeric chelating ligands could be used to the remove such heavy metals from industrial wastewater and as well as effective ligands for environment protection.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Uncontrolled Keywords: Acrylate polymers, Amidoxime, Binding properties, Chelating ligands, Electroplating wastewater, Environment protection, Extraction capability, Heavy metal removal, Hydroxamic acids, Industrial wastewaters, Metal concentrations
Subjects: ?? TD429.5-480.7 ??
Divisions: SCHOOL > School of Science and Technology
Depositing User: Unnamed user with email storage.bpmlib@ums.edu.my
Date Deposited: 13 Apr 2012 00:49
Last Modified: 30 Dec 2014 01:27
URI: http://eprints.ums.edu.my/id/eprint/3957

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