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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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