Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/59133
Title: Novel multifunctional membrane technology for visual detection and enhanced adsorptive removal of lead ions in water and wastewater
Authors: Zhang, L.
Bai, R. 
Keywords: Adsorptive removal
Lead ions
Ligand immobilization
Multifunctional membrane
Visual detection
Issue Date: 2011
Citation: Zhang, L., Bai, R. (2011). Novel multifunctional membrane technology for visual detection and enhanced adsorptive removal of lead ions in water and wastewater. Water Science and Technology: Water Supply 11 (1) : 113-120. ScholarBank@NUS Repository.
Abstract: A multifunctional membrane for visual detection and enhanced adsorptive removal of lead ions in aqueous solution was prepared by immobilizing lead sensitive ligand, dithizone (DZ), on chitosan (CS) /cellulose acetate (CA) blend membrane. The prepared membrane can display visible color change (from yellow to red) as a response to lead ions in solutions; and at the same time, lead ions can be adsorptively removed by the amine groups on the membrane surface. Thus, the development provides a truly multifunctional membrane technology that can achieve optical warning as well as removal of lead ions simultaneously. Experimental results showed that the prepared membrane exhibited the advantages of quick response, easy naked-eye recognition and improved lead uptake capacity. © IWA Publishing 2011.
Source Title: Water Science and Technology: Water Supply
URI: http://scholarbank.nus.edu.sg/handle/10635/59133
ISSN: 16069749
Appears in Collections:Staff Publications

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