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Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel

Paper ID Volume ID Publish Year Pages File Format Full-Text
36471 45133 2005 5 PDF Available
Title
Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel
Abstract

The biosorption of lead(II) by fruiting bodies of Pleurotus ostreatus immobilized in calcium alginate was studied. The experimental results showed that the fruiting bodies were effective in removing Pb(II) from solution. Biosorption equilibrium was approached within 45 min. Pseudo second-order was applicable to all the sorption data over the entire time range. Intra-particle diffusion was not the only rate-determining step. The sorption data conformed well to both the Langmuir and the Freundlich isotherm model. The maximum adsorption capacity (qmax) onto P. ostreatus immobilized in calcium alginate was 121.21 mg g−1 for Pb(II). The FT-IR analysis showed that the mechanism involved in biosorption of Pb(II) by fruiting bodies of P. ostreatus was mainly attributed to Pb(II) binding of amide I group.

Keywords
Lead; Biosorption; Pleurotus ostreatus; Immobilization
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Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 40, Issue 8, July 2005, Pages 2799–2803
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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