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1998•Chinese Journal of Appplied Environmental BiologyRequires access

SIMULATED EXPERIMENT OF Cu 2+ TREATMENT USING SACCHAROMYCES CEREVISIAE

Jian-rong Zhu

Open publisher page 6 citations

Abstract

The possibility of heavy metal (Cu 2+ ) treatment using Saccharomyces cerevisiae and the effects of the operational conditions on the treatment were studied. The results showed when ρ (Cu 2+ ) ranged between 20～400 mg/L and the specific biosorption was 2. 98～12. 03 mg/g, Cu 2+ treatment by Saccharomyces cerevisiae was feasible. The main removal mechanism was biosorption process. The biosorption equilibrium was achieved within 10～20 minutes. The optimum temperature was 15～20℃ and optimum pH ranged between 4. 0～6. 0. The analyses of Freundlich adsorption equation indicated that η was mainly related with the kinds of heavy metals, and k was related with the species of yeast and the kinds of heavy metals.

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What this paper is about

The possibility of heavy metal (Cu 2+ ) treatment using Saccharomyces cerevisiae and the effects of the operational conditions on the treatment were studied. The results showed when ρ (Cu 2+ ) ranged between 20～400 mg/L and the specific biosorption was 2. 98～12. 03 mg/g, Cu 2+ treatment by Saccharomyces cerevisiae was feasible. The main removal mechanism was biosorption process. The biosorption equilibrium was achieved within 10～20 minutes. The optimum temperature was 15～20℃ and optimum pH ranged between 4. 0～6. 0. The analyses of Freundlich adsorption equation indicated that η was mainly related with the kinds of heavy metals, and k was related with the species of yeast and the kinds of heavy metals.

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Available abstract

The possibility of heavy metal (Cu 2+ ) treatment using Saccharomyces cerevisiae and the effects of the operational conditions on the treatment were studied. The results showed when ρ (Cu 2+ ) ranged between 20～400 mg/L and the specific biosorption was 2. 98～12. 03 mg/g, Cu 2+ treatment by Saccharomyces cerevisiae was feasible. The main removal mechanism was biosorption process. The biosorption equilibrium was achieved within 10～20 minutes. The optimum temperature was 15～20℃ and optimum pH ranged between 4. 0～6. 0. The analyses of Freundlich adsorption equation indicated that η was mainly related with the kinds of heavy metals, and k was related with the species of yeast and the kinds of heavy metals.

Key concepts: Biosorption, Saccharomyces cerevisiae, Freundlich equation, Adsorption, Yeast, Metal, Heavy metals, Chemistry

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