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Separation Science and Technology Volume 46, 2011 - Issue 9
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EXTRACTION

Removal of Cadmium(II) Ions from Chloride Solutions by Cyanex 301 and Cyanex 302

K. Staszak Institute of Technology and Chemical Engineering, Poznań University of Technology, Poznań, PolandCorrespondence[email protected]
,
K. Wieszczycka Institute of Technology and Chemical Engineering, Poznań University of Technology, Poznań, Poland
&
P. Burmistrzak Institute of Technology and Chemical Engineering, Poznań University of Technology, Poznań, Poland
Pages 1495-1502 | Received 20 Sep 2010, Accepted 11 Feb 2011, Published online: 09 Jun 2011
 
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Abstract

The main goal of this work was to study and compare the extraction of cadmium(II) ions by the two organophosphorous extractants: Cyanex 301 and Cyanex 302. The effect of different variables influencing the extraction of cadmium(II) ions such as the concentration of acid or metal ion and type of extractant has been investigated. Obtained results from the extraction process were compared with the FT-IR spectra. Results of spectrophotometric analysis confirm the observations of the extraction process, for example, the negative effect of hydrochloric acid on cadmium extraction by Cyanex 302.

ACKNOWLEDGEMENTS

The work described in this article was supported by DS − 32/067/2011 and DS − 32/045/2011.

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