<abstract xmlns="http://www.w3.org/1999/xhtml"><p><italic>Saccharomyces cerevisiae</italic>, waste biomass originated from beer fermentation industry, was used to remove metal ions from four copper-containing synthetic effluents: Cu-Fe, Cu-Fe-Ni, Cu-Fe-Zn, and Cu-Fe-Ni-Zn. The characterization of the biomass surface was investigated by Scanning Electron Microscopy and Fourier-transform Infrared Spectroscopy. The adsorption behavior of <italic>Saccharomyces cerevisiae</italic> for copper, iron, nickel and zinc ions in aqueous solution was studied as a function of pH, initial copper concentration, equilibrium time, and temperature. Langmiur, Freundlich, Temkin and Dubinin-Radushkevich equilibrium models have been assessed to describe the experimental sorption equilibrium profile, while pseudo-first order, pseudo-second order, Elovich and the intra-particle diffusion models were applied to describe experimental kinetics data. Maximum sorption capacities have been calculated by means of Langmuir equilibrium model and mean free sorption energies through the Dubinin-Radushkevich model. Thermodynamic analysis results showed that the adsorption of copper, iron and zinc was spontaneous and endothermic in nature, while of nickel exothermic. <italic>Saccharomyces cerevisiae</italic> can be successfully applied for complex wastewater treatment.</p></abstract>

Saccharomyces cerevisiae, waste biomass originated from beer fermentation industry, was used to remove metal ions from four copper-containing synthetic effluents: Cu-Fe, Cu-Fe-Ni, Cu-Fe-Zn, and Cu-Fe-Ni-Zn. The characterization of the biomass surface was investigated by Scanning Electron Microscopy and Fourier-transform Infrared Spectroscopy. The adsorption behavior of Saccharomyces cerevisiae for copper, iron, nickel and zinc ions in aqueous solution was studied as a function of pH, initial copper concentration, equilibrium time, and temperature. Langmiur, Freundlich, Temkin and Dubinin-Radushkevich equilibrium models have been assessed to describe the experimental sorption equilibrium profile, while pseudo-first order, pseudo-second order, Elovich and the intra-particle diffusion models were applied to describe experimental kinetics data. Maximum sorption capacities have been calculated by means of Langmuir equilibrium model and mean free sorption energies through the Dubinin-Radushkevich model. Thermodynamic analysis results showed that the adsorption of copper, iron and zinc was spontaneous and endothermic in nature, while of nickel exothermic. Saccharomyces cerevisiae can be successfully applied for complex wastewater treatment.

Metal Removal from Complex Copper Containing Effluents by Waste Biomass of <italic>Saccharomyces cerevisiae</italic>

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Metal Removal from Complex Copper Containing Effluents by Waste Biomass of 

Saccharomyces cerevisiae, waste biomass originated from beer fermentation industry, was used to remove metal ions from four copper-containing synthetic...

Metal Removal from Complex Copper Containing Effluents by Waste Biomass of Saccharomyces cerevisiae

Data publikacji: 14 paź 2020

Zakres stron: 415 - 435

DOI: https://doi.org/10.2478/eces-2020-0027

Słowa kluczowe
biosorption, copper, iron, nickel, zinc

© 2020 Inga Zinicovscaia et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Metal Removal from Complex Copper Containing Effluents by Waste Biomass of Saccharomyces cerevisiae

Data publikacji: 14 paź 2020

Zakres stron: 415 - 435

DOI: https://doi.org/10.2478/eces-2020-0027

Słowa kluczowebiosorption, copper, iron, nickel, zinc

© 2020 Inga Zinicovscaia et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Słowa kluczowe
biosorption, copper, iron, nickel, zinc