Biosorption of Cd<Superscript>2+</Superscript> and Cu<Superscript>2+</Superscript> on immobilized <Emphasis Type="Italic">Saccharomyces cerevisiae</Emphasis>: Fid-Bau Portal

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Biosorption of Cd2+ and Cu2+ on immobilized Saccharomyces cerevisiae

Zan, Fengyu / Huo, Shouliang / Xi, Beidou / Zhao, Xiulan

Abstract The biosorption of Cd2+ and Cu2+ onto the immobilized Saccharomyces cerevisiae (S. cerevisiae) was investigated in this study. Adsorption kinetics, isotherms and the effect of pH were studied. The results indicated that the biosorption of Cd2+ and Cu2+ on the immobilized S. cerevisiae was fast at initial stage and then became slow. The maximum biosorption of heavy metal ions on immobilized S. cerevisiae were observed at pH 4 for Cd2+ and Cu2+. by the pseudo-second-order model described the sorption kinetic data well according to the high correlation coefficient (R 2) obtained. The biosorption isotherm was fitted well by the Langmuir model, indicating possible mono-layer biosorption of Cd2+ and Cu2+ on the immobilized S. cerevisiae. Moreover, the immobilized S. cerevisiae after the sorption of Cd2+ and Cu2+ could be regenerated and reused.

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Biosorption of Cd2+ and Cu2+ on immobilized Saccharomyces cerevisiae

Zan, Fengyu / Huo, Shouliang / Xi, Beidou / Zhao, Xiulan

Abstract The biosorption of Cd2+ and Cu2+ onto the immobilized Saccharomyces cerevisiae (S. cerevisiae) was investigated in this study. Adsorption kinetics, isotherms and the effect of pH were studied. The results indicated that the biosorption of Cd2+ and Cu2+ on the immobilized S. cerevisiae was fast at initial stage and then became slow. The maximum biosorption of heavy metal ions on immobilized S. cerevisiae were observed at pH 4 for Cd2+ and Cu2+. by the pseudo-second-order model described the sorption kinetic data well according to the high correlation coefficient (R 2) obtained. The biosorption isotherm was fitted well by the Langmuir model, indicating possible mono-layer biosorption of Cd2+ and Cu2+ on the immobilized S. cerevisiae. Moreover, the immobilized S. cerevisiae after the sorption of Cd2+ and Cu2+ could be regenerated and reused.

Biosorption of Cd2+ and Cu2+ on immobilized Saccharomyces cerevisiae

Zan, Fengyu / Huo, Shouliang / Xi, Beidou / Zhao, Xiulan

Abstract The biosorption of Cd2+ and Cu2+ onto the immobilized Saccharomyces cerevisiae (S. cerevisiae) was investigated in this study. Adsorption kinetics, isotherms and the effect of pH were studied. The results indicated that the biosorption of Cd2+ and Cu2+ on the immobilized S. cerevisiae was fast at initial stage and then became slow. The maximum biosorption of heavy metal ions on immobilized S. cerevisiae were observed at pH 4 for Cd2+ and Cu2+. by the pseudo-second-order model described the sorption kinetic data well according to the high correlation coefficient (R 2) obtained. The biosorption isotherm was fitted well by the Langmuir model, indicating possible mono-layer biosorption of Cd2+ and Cu2+ on the immobilized S. cerevisiae. Moreover, the immobilized S. cerevisiae after the sorption of Cd2+ and Cu2+ could be regenerated and reused.

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Title:

Biosorption of Cd2+ and Cu2+ on immobilized Saccharomyces cerevisiae

Contributors:

Zan, Fengyu (author) / Huo, Shouliang (author) / Xi, Beidou (author) / Zhao, Xiulan (author)

Published in:

Frontiers of Environmental Science & Engineering ; 6 ; 51-58

Publication date:

2011-02-01

Size:

8 pages

ISSN:

2095-221X , 2095-2201

DOI:

https://doi.org/10.1007/s11783-011-0206-9

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Saccharomyces cerevisiae (S. cerevisiae) , biosorption , heavy metals , immobilization , desorption Environment , Environment, general

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