Biosorption of trivalent chromium from aqueous solutions by Pleurotus ostreatus biomass

Ingrid Johanna Puentes-Cárdenas, Aura Marina Pedroza-Rodríguez, Manuel Navarrete-López, Thelma Lilia Villegas-Garrido, Eliseo Cristiani-Urbina

Research output: Contribution to journalArticle

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Abstract

The biosorption characteristics of Cr(III) ions from aqueous solutions using the fungus Pleurotus ostreatus were investigated in terms of kinetics, equilibrium and thermodynamics. Optimum pH for Cr(III) biosorption was 5.5. The biosorption process of Cr(III) followed well pseudo first-order kinetics. Among the two-, three-, and four-parameter isotherm models tested, the Langmuir model exhibited the best fit to experimental data. According to Langmuir isotherm model, the maximum Cr(III) biosorption capacity of P. ostreatus is 110.9 mg/g, which is very close to the experimentally determined value (108 mg/g). Thermodynamic parameters (activation energy, and changes in activation enthalpy, activation entropy, and free energy of activation) revealed that the biosorption of Cr(III) onto P. ostreatus is an endothermic and non-spontaneous process. Results suggest that P. ostreatus is one of the best biosorbents hitherto reported for Cr(III) removal from aqueous solutions and could therefore be used effectively to detoxify wastewaters polluted with Cr(III).
Original languageAmerican English
Pages (from-to)1741-1752
Number of pages1565
JournalEnvironmental Engineering and Management Journal
StatePublished - 1 Dec 2012

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Pleurotus
Biosorption
Chromium
Biomass
chromium
aqueous solution
biomass
isotherm
thermodynamics
Thermodynamics
Chemical activation
kinetics
Isotherms
enthalpy
activation energy
entropy
Entropy
Waste Water
Kinetics
fungus

Cite this

Puentes-Cárdenas, I. J., Pedroza-Rodríguez, A. M., Navarrete-López, M., Villegas-Garrido, T. L., & Cristiani-Urbina, E. (2012). Biosorption of trivalent chromium from aqueous solutions by Pleurotus ostreatus biomass. Environmental Engineering and Management Journal, 1741-1752.
Puentes-Cárdenas, Ingrid Johanna ; Pedroza-Rodríguez, Aura Marina ; Navarrete-López, Manuel ; Villegas-Garrido, Thelma Lilia ; Cristiani-Urbina, Eliseo. / Biosorption of trivalent chromium from aqueous solutions by Pleurotus ostreatus biomass. In: Environmental Engineering and Management Journal. 2012 ; pp. 1741-1752.
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Puentes-Cárdenas, IJ, Pedroza-Rodríguez, AM, Navarrete-López, M, Villegas-Garrido, TL & Cristiani-Urbina, E 2012, 'Biosorption of trivalent chromium from aqueous solutions by Pleurotus ostreatus biomass', Environmental Engineering and Management Journal, pp. 1741-1752.

Biosorption of trivalent chromium from aqueous solutions by Pleurotus ostreatus biomass. / Puentes-Cárdenas, Ingrid Johanna; Pedroza-Rodríguez, Aura Marina; Navarrete-López, Manuel; Villegas-Garrido, Thelma Lilia; Cristiani-Urbina, Eliseo.

In: Environmental Engineering and Management Journal, 01.12.2012, p. 1741-1752.

Research output: Contribution to journalArticle

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AU - Villegas-Garrido, Thelma Lilia

AU - Cristiani-Urbina, Eliseo

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AB - The biosorption characteristics of Cr(III) ions from aqueous solutions using the fungus Pleurotus ostreatus were investigated in terms of kinetics, equilibrium and thermodynamics. Optimum pH for Cr(III) biosorption was 5.5. The biosorption process of Cr(III) followed well pseudo first-order kinetics. Among the two-, three-, and four-parameter isotherm models tested, the Langmuir model exhibited the best fit to experimental data. According to Langmuir isotherm model, the maximum Cr(III) biosorption capacity of P. ostreatus is 110.9 mg/g, which is very close to the experimentally determined value (108 mg/g). Thermodynamic parameters (activation energy, and changes in activation enthalpy, activation entropy, and free energy of activation) revealed that the biosorption of Cr(III) onto P. ostreatus is an endothermic and non-spontaneous process. Results suggest that P. ostreatus is one of the best biosorbents hitherto reported for Cr(III) removal from aqueous solutions and could therefore be used effectively to detoxify wastewaters polluted with Cr(III).

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Puentes-Cárdenas IJ, Pedroza-Rodríguez AM, Navarrete-López M, Villegas-Garrido TL, Cristiani-Urbina E. Biosorption of trivalent chromium from aqueous solutions by Pleurotus ostreatus biomass. Environmental Engineering and Management Journal. 2012 Dec 1;1741-1752.