Use of Cork Waste as Biosorbent for Hexavalent Chromium

Zoubeida Sfaksi; Nourreddine Azzouz; Ahmed Abdelwahab

doi:10.4028/www.scientific.net/AMR.324.497

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 324Use of Cork Waste as Biosorbent for Hexavalent...

Use of Cork Waste as Biosorbent for Hexavalent Chromium

Abstract:

The biosorption by cork powder is considered as a new method for heavy metal removal from industrial waste waters such as chromium tanning factories. The aim of this study is to evaluate the efficiency extent of this method using a cork powder as biosorbent for hexavalent chromium Cr(VI). The Fourier Transform Infrared spectroscopy (FTIR) analysis permits to distinguish the type of functional groups likely to participate in metal binding. A linear form of BET isotherms for all the three used temperatures (25, 35 and 45°C) and a pseudo-second-order Lagergren equation of adsorption kinetics are obtained. Other experimental results highlight the meaningful influence of parameters such as contact time, pH and concentrations of the solution, on chromium adsorption rate that reach a 97% value under definite conditions particularly a pH of 2-3 values.

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Periodical:

Advanced Materials Research (Volume 324)

Pages:

497-500

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.324.497

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Online since:

August 2011

Authors:

Zoubeida Sfaksi, Nourreddine Azzouz, Ahmed Abdelwahab

Keywords:

Biosorption, Cork Waste, Heavy Metal, Hexavalent Chromium

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