Comparison of efficiency for monoazo dye removal by different species of white-rot fungi

The aim of this study was to determine the potential of white-rot fungi, namely Pycnoporus cinnabarinus , Pleurotus ostreatus and Trametes hirsuta , for the mono azo dye Allura Red AC (AR) removal from aqueous solutions. AR belongs to the hardly degradable xenobiotic associated with a neurotoxic eff...

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Vydáno v:International journal of environmental science and technology (Tehran) Ročník 18; číslo 1; s. 21 - 32
Hlavní autoři: Pecková, V., Legerská, B., Chmelová, D., Horník, M., Ondrejovič, M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Berlin/Heidelberg Springer Berlin Heidelberg 01.01.2021
Témata:
absorption
Aquatic Pollution
azo dyes
biosorbents
biosorption
Coriolus hirsutus
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Science and Engineering
Fourier transform infrared spectroscopy
fungal biomass
heat
laccase
neurotoxicity
Original Paper
Pleurotus ostreatus
Pycnoporus
Soil Science & Conservation
sorption isotherms
technology
Waste Water Technology
Water Management
Water Pollution Control
xenobiotics
Removal
Adsorption isotherms
Biosorption
Biomass
White-rot fungi
Azo dye
ISSN:1735-1472, 1735-2630
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Shrnutí:The aim of this study was to determine the potential of white-rot fungi, namely Pycnoporus cinnabarinus , Pleurotus ostreatus and Trametes hirsuta , for the mono azo dye Allura Red AC (AR) removal from aqueous solutions. AR belongs to the hardly degradable xenobiotic associated with a neurotoxic effect on humans and animals. Our results suggested that degradation processes driven by the activity of laccases were not involved in the process of AR removal and the predominant mechanism of dye elimination was biosorption. The surface of fungal biomass was analyzed by Fourier transform infrared spectroscopy (FTIR) and Langmuir and Freundlich models of absorption isotherms were applied to describe the biosorption isotherms. Langmuir model fitted the equilibrium data better than Freundlich isotherm according to the corrected Akaike Information Criterion (AIC c ). From Langmuir model, dead biomass of P. ostreatus modified by heat was the most suitable biosorbent with the maximum sorption capacity of 118.3 ± 9.9 mg/g dried biomass. Obtained results suggest that biomass of white-rot fungi can be used as a suitable and low-cost biosorbent for the removal of azo dyes from contaminated waters.
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ISSN:1735-1472
1735-2630
DOI:10.1007/s13762-020-02806-w