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Adsorptive removal of cobalt from aqueous solution by utilizing lemon peel as biosorbent

Paper ID Volume ID Publish Year Pages File Format Full-Text
4032 205 2010 6 PDF Available
Title
Adsorptive removal of cobalt from aqueous solution by utilizing lemon peel as biosorbent
Abstract

The present study was undertaken to evaluate the feasibility of lemon peel waste for the removal of cobalt ions from aqueous solutions. Batch experiments were performed to study the adsorption of cobalt on lemon peel adsorbent. The maximum adsorption capacity of lemon peel adsorbent for cobalt removal was ca. 22 mg g−1. Three simplified kinetic models viz. pseudo-first-order, pseudo-second-order, and Weber and Morris intraparticle diffusion models were tested to describe the adsorption process. Kinetic parameters, rate constants, equilibrium sorption capacities, and related correlation coefficients for kinetic models were determined. It was found that the present system of cobalt adsorption on lemon peel adsorbent could be described more favorably by the pseudo-second-order kinetic model. The adsorption process has been found to be exothermic. The results of the present study suggest that lemon peel waste can be used beneficially in treating industrial effluents containing heavy metal ions.

Keywords
Waste treatment; Heavy metals; Cobalt removal; Lemon peel waste; Adsorption; Biosorption
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Adsorptive removal of cobalt from aqueous solution by utilizing lemon peel as biosorbent
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 48, Issue 2, 15 January 2010, Pages 181–186
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us