General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
    • Executive Editor: Mr. Ron C. Wu
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2014 Vol.5(4): 311-314 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2014.V5.400

State of the Art Hollow Fiber Supported Liquid Membrane on Pd (II) Separation from Wastewater Using Alamine 336

Kraiwith Wongkaew, Natchanun Leepipatpiboon, and Ura Pancharoen
Abstract—A hollow fiber supported liquid membrane (HFSLM), having unique characteristics in the separation and stripping of trace species from dilute aqueous solutions, was applied to separate trace Pd(II) of approximately 1 ppm from wastewater. Optimum values of the parameters influencing the extraction and stripping of Pd(II) were investigated i.e. types of extractants (Alamine 336 and Aliquat 336), types of stripping agents (H2SO4, HCl, NH2CSNH2, NH4Cl and a mixture of NH2CSNH2 and HCl), as well as types of diluents. The experimental results indicated that Alamine 336 and a mixture of NH2CSNH2 and HCl were the extractant and stripping solution, respectively. Under the most favorable operating conditions, Pd(II) was successfully separated from Pt(IV), Au(III), Cu(II) and Zn(II). Percentages of Pd(II) extraction and stripping were achieved reaching 95% and 88% respectively. Reproducibility of the HFSLM system was found to be ± 2%.

Index Terms—Palladium, Alamine 336, Aliquat 336, wastewater, HFSLM.

K. Wongkaew and U. Pancharoen are with the Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Pathumwan Bangkok 10330, Thailand (e-mail: kraiwith2010@hotmail.com, ura.p@chula.ac.th).
N. Leepipatpiboon is with Chromatography and Separation Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Patumwan, Bangkok 10330, Thailand (e-mail: natchanun.l@chula.ac.th).

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Cite: Kraiwith Wongkaew, Natchanun Leepipatpiboon, and Ura Pancharoen, "State of the Art Hollow Fiber Supported Liquid Membrane on Pd (II) Separation from Wastewater Using Alamine 336," International Journal of Chemical Engineering and Applications vol. 5, no. 4 pp. 311-314, 2014.

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