Fibers and Polymers

The Korean Fiber Society (한국섬유공학회)
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Improved Membranes for the Extraction of Heavy Metals

  • Xu, Jianying (School of Engineering and Technology, Deakin University) ;
  • Shen, Wei (Department of chemical Engineering, Monash University) ;
  • Paimin, Rohani (Chemical Sciences, School of Molecular Sciences, Victoria University of Technolog) ;
  • Wang, Xungai (School of Engineering and Technology, Deakin University)
  • Published : 2004.03.01
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Abstract

This work presents a series of experimental tests on new practical approaches in membrane design to improve extraction capacity and rate. We chose an extraction system involving Aliquat 336 as the extractant and Cd(II) as the metal ion to be extracted to demonstrate these new approaches. The core element in the new membrane assembly was the extractant loaded sintered glass filter. This membrane assembly provided a large interface area between the extractant and the aqueous solution containing metal ions. By recycling the aqueous solution through the membrane assembly, the extraction rate was significantly improved. The membrane assembly also offered good extraction capacity.

Keywords

References

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