Bioadsorption of lead(II) and cadmium(II) ions onto the lyophilized cell surface of Pseudomonas aeruginosa in aqueous suspension

A. K?nig-Péter; T. Pernyeszi; B. Kocsis; A. Heged?sova

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Bioadsorption of lead(II) and cadmium(II) ions onto the lyophilized cell surface of Pseudomonas aeruginosa in aqueous suspension

机译：悬浮液中铜绿假单胞菌的冻干细胞表面对铅（II）和镉（II）离子的生物吸附

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Biosorption of Cd(II) and Pb(II) ions from aqueous solutionusing lyophilized Pseudomonas aeruginosa (PAOI) cells was studiedunder various experimental conditions. The effect of pH, initial metalconcentration and adsorption time on bioadsorption was investigated.The optimum pH value range for Cd(II) adsorption was found to be4.0-7.0, and for Pb(II) it was 4.0-5.0. Pb(II) and Cd(II) bioadsorptionequilibrium was analyzed by using Langmuir model. The maximum uptakecapacity of Pb(II) and Cd(II) was estimated to be 164 mg g?1 and132 mg g?1, respectively.

机译：在各种实验条件下，研究了使用冻干的铜绿假单胞菌（PAOI）细胞对水溶液中Cd（II）和Pb（II）离子的生物吸附。研究了pH，初始金属浓度和吸附时间对生物吸附的影响。Cd（II）吸附的最佳pH值为4.0-7.0，Pb（II）的最佳pH值为4.0-5.0。使用Langmuir模型分析了Pb（II）和Cd（II）的生物吸附平衡。估计Pb（II）和Cd（II）的最大吸收能力分别为164 mg g？1和132 mg g？1。

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《Acta Universitatis Sapientiae: Agriculture and Environment》 |2011年第6期|共13页
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A. K?nig-Péter; T. Pernyeszi; B. Kocsis; A. Heged?sova;
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Bioadsorption of lead(II) and cadmium(II) ions onto the lyophilized cell surface of Pseudomonas aeruginosa in aqueous suspension

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