Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2410
Title: Biosorption of Cu(II) and Pb(II) ions from aqueous solution by natural spider silk
Authors: Pelit, Levent
Ertaş, Fatma Nil
Eroğlu, Ahmet Emin
Shahwan, Talal
Tural, H.
Keywords: Biosorption
Heavy metals
Natural polymer
Natural spider silk
Publisher: Elsevier Ltd.
Source: Pelit, L., Ertaş, F. N., Eroğlu, A. E., Shahwan, T., and Tural, H. (2011). Biosorption of Cu(II) and Pb(II) ions from aqueous solution by natural spider silk. Bioresource Technology, 102(19), 8807-8813. doi:10.1016/j.biortech.2011.07.013
Abstract: Aside from its excellent mechanical properties, spider silk (SS) would offer an active surface for heavy metal interaction due to its rich protein structure. The present study describes the potential use of natural (SS) as a sorbent of heavy metals from aqueous solutions. Single and multi-species biosorption experiments of heavy metals by natural SS were conducted using batch and column experiments. The biosorption kinetics, in general, was found to follow the second-order rate expression, and the experimental equilibrium biosorption data fitted reasonably well to Freundlich isotherm. From the Freundlich isotherm, the biosorption capacities of Cu(II) and Pb(II) ions onto SS were found as 0.20 and 0.007mmolg -1, respectively. The results showed a decrease in the extent of metal ion uptake with lowering the pH.
URI: http://doi.org/10.1016/j.biortech.2011.07.013
http://hdl.handle.net/11147/2410
ISSN: 0960-8524
Appears in Collections:Chemistry / Kimya
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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