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

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

Open Access
|Oct 2020

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.

DOI: https://doi.org/10.2478/eces-2020-0027 | Journal eISSN: 2084-4549 | Journal ISSN: 1898-6196
Language: English
Page range: 415 - 435
Published on: Oct 14, 2020
Published by: Society of Ecological Chemistry and Engineering
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2020 Inga Zinicovscaia, Nikita Yushin, Dmitrii Grozdov, Konstantin Vergel, Tatiana Ostrovnaya, Elena Rodlovskaya, published by Society of Ecological Chemistry and Engineering
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.