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2005•Journal of Central-south Institute of TechnologyRequires access

Experimental Study on Biosorption of Pb~(2+) by Sterilized E.coli

QI Chun-ming

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Abstract

Abstrcat The effects of operational conditions on the biosorption of Pb2+ by E.coli are studied. The results indicate that when ρ(Pb2+) ranges between 10 mg/L to 100 mg/L,the biosorption capacity is 1.832～21.248 mg/g.The biosorption equilibrium is achieved within 10 minutes. The optimum temperature is 30℃ and the optimum pH value is 6. The relationship between concentrations of Pb2+ and adsorption capacity of E.coli can be described by Freundlich adsorption equation. The K value is 2.3281 and the n value is 1.7668.

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Abstrcat The effects of operational conditions on the biosorption of Pb2+ by E.coli are studied. The results indicate that when ρ(Pb2+) ranges between 10 mg/L to 100 mg/L,the biosorption capacity is 1.832～21.248 mg/g.The biosorption equilibrium is achieved within 10 minutes. The optimum temperature is 30℃ and the optimum pH value is 6. The relationship between concentrations of Pb2+ and adsorption capacity of E.coli can be described by Freundlich adsorption equation. The K value is 2.3281 and the n value is 1.7668.

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Available abstract

Abstrcat The effects of operational conditions on the biosorption of Pb2+ by E.coli are studied. The results indicate that when ρ(Pb2+) ranges between 10 mg/L to 100 mg/L,the biosorption capacity is 1.832～21.248 mg/g.The biosorption equilibrium is achieved within 10 minutes. The optimum temperature is 30℃ and the optimum pH value is 6. The relationship between concentrations of Pb2+ and adsorption capacity of E.coli can be described by Freundlich adsorption equation. The K value is 2.3281 and the n value is 1.7668.

Key concepts: Biosorption, Adsorption, Freundlich equation, Chemistry, Nuclear chemistry, Environmental engineering, Environmental science, Sorption

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