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Competitive biosorption of Cd(II), Pb(II) and Cr(III) using fungal biomass
Pycnoporus sanguineus

Journal of Environment & Biotechnology Research, Vol. 6, No. 1, Pages 123-127, January 2017

Jéssica M. do Nascimento, Jonas Juliermerson S. dos Santos, Jorge D. de Oliveira

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ABSTRACT

The growing population and industrial advancement caused a greater environmental contamination with toxic
metals potentially affecting the soil and groundwater. Biosorption is an alternative treatment method for
wastewater containing toxic metals. This work aims to use fungal biomass (Pycnoporus sanguineus) as biosorbent
for Cd(II), Pb(II) and Cr(III) ions. The results demonstrate that fungal biomass exhibited good biosorption
capacity towards studied metal ions. The modification of the biomass with NaOH and HCl influenced the
biosorption process as well as the competition existing between the metal species. The adsorption isotherm was
described using the competitive multi-element Langmuir model and the results indicated that the model fitted the
experimental data. The model confirmed the competition between metal ions. The results also indicated that it
was possible to improve the biosorption performance of fungal biomass through treatment with NaOH and HCl.
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Journal of Environment and Biotechnology Research
Volume 6, Number 1, 2017, pp. 123-127
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