Recovery of Platinum from Dilute Chloride Media Using Biosorbents

B. Zeytuncu*, M. H. Morcali, O. Yucel

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Özet

Pistachio nut shells and Rice husk, a biomass residue, were investigated as adsorbents for the platinum uptake from synthetically prepared dilute chloroplatinic acid solutions. The effects of the different uptake parameters on platinum uptake (%) were studied in detail on a batch sorption. Before the pistachio nut shell material was activated, platinum uptake (%) was poor compared with rice husk. However, after the pistachio nut shell material was activated at 1000°C under an argon atmosphere, the platinum uptake (%) increased two-fold. The pistachio nut shell (inactivated and activated) and rice husk were characterized by Attenuated Total Reflection-Fourier transform infrared spectroscopy (ATR-FTIR). The uptake equilibrium data were best fitted with the Langmuir isotherm model. The maximum uptake capacities, Qmax, at 25°C were found to be 38.31 and 42.02 mg/g for the activated pistachio nut shell and rice husk, respectively.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıREWAS 2013 Enabling Materials Resource Sustainability
Yayınlayanwiley
Sayfalar344-353
Sayfa sayısı10
ISBN (Elektronik)9781118679401
ISBN (Basılı)9781118605875
DOI'lar
Yayın durumuYayınlandı - 25 Şub 2013

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Publisher Copyright:
© 2013 The Minerals, Metals & Materials Society. All rights reserved.

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