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http://dx.doi.org/10.7844/kirr.2011.20.3.068

Separation of Aluminum and Iron from Platinum Mixture using Synthetic Extraction Resins  

Lim, Gwang-Il (Department of Chemical Engineering, Kwangwoon University)
Han, Dong-Hyuk (Department of Chemical Engineering, Kwangwoon University)
Hwang, In-Sung (Department of Chemical Engineering, Kwangwoon University)
Han, Choon (Department of Chemical Engineering, Kwangwoon University)
Lee, Jin-Young (Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources(KlGAM))
Kim, Joon-Soo (Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources(KlGAM))
Park, Hyung-Kyu (Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources(KlGAM))
Publication Information
Resources Recycling / v.20, no.3, 2011 , pp. 68-76 More about this Journal
Abstract
For the separation of aluminum and iron from platinum mixtures, extraction resins were synthesized and separation efficiencies were compared with those by commercial one, $P_{204}$. During synthesis, the suspension polymerization method was adopted with D2EHPA as an extractant. Also, benzoyl peroxide as a starter was divided into 3parts and injected for the uniform size and dispersion of resin particles. Comparison tests resulted in 100% separation of Fe and Pt for both synthetic and $P_{204}$ resins. In case of Al and Pt, synthetic and $P_{204}$ resin gave extraction efficiencies of 99.9% and 98.9%, respectively. Difference in extractant contents of synthetic resin(61.8%) and $P_{204}$(60%) was considered to give differences in separation efficiencies of aluminum and iron elements. For both resins, separation efficiencies of Al and Fe increased up to $55^{\circ}C$. According to FT-IR analyses of both resins, specific peaks of D2EHPA and crosslinked polystyrene were identified at the wavenumber of $1000cm^{-1}$ and $2900cm^{-1}$ respectively.
Keywords
platinum; D2EHPA; benzoyl peroxide; synthetic resin; suspension polymerization method;
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Times Cited By KSCI : 1  (Citation Analysis)
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