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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Biocarrier beads with dead biomass, Bacillus drentensis, immobilized in polymer polysulfone were synthesized to remove heavy metals from wastewater. To identify the sorption mechanisms and theoretical nature of underlying processes, a series of batch experiments were carried out and a mathematical model was developed to quantify the biosorption of Pb(II) by the biocarrier beads. A series of mass balance equations for representing mass transfer of metal sorbents in biocarrier beads and surrounding solution were established. Major model parameters such as external mass transfer coefficient and maximum sorption capacity, etc. were determined from pseudo-first-order kinetic models and Langmuir isotherm model based on kinetic and equilibrium experimental measurements. The model simulation displays reasonable representations of experimental data and implied that the proposed model can be applied to quantitative analysis on biosorption mechanisms by porous granular beads. The simulation results also confirms that the biosorption of heavy metal by the biocarrier beads largely depended on surface adsorption.
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참고문헌 (23)
참고문헌 신청
Ahalya, N. / 2003 / Biosorption of heavy metals / Res. J. Chem. Environ. 7:71~79
Apiratikul, R. / 2008 / Batch and column studies of biosorption of heavy metals by Caulerpa lentillifera / Bioresour. Technol. 99:2766~2777
Bayramoglu, G. / 2003 / Biosorption of heavy metal ions on immobilized white-rot fungus Trametes versicolor / J. Hazard. Mater. 101:285~300
Beolchini, F. / 2003 / Biosorption of copper by Sphaerotilus natans immobilized in polysulfone matrix: equilibrium and kinetic analysis / Hydrometall 70:101~112
Aejung Choi / 2009 / Biosorption of cadmium, copper, and lead ions from aqueous solutions by Ralstonia sp. and Bacillus sp. isolated from diesel and heavy metal contaminated soil / Geosciences Journal 13(4):331~341
Apiratikul, R. / 2008 / Batch and column studies of biosorption of heavy metals by Caulerpa lentillifera / Bioresour. Technol. 99:2766~2777
Bayramoglu, G. / 2003 / Biosorption of heavy metal ions on immobilized white-rot fungus Trametes versicolor / J. Hazard. Mater. 101:285~300
Beolchini, F. / 2003 / Biosorption of copper by Sphaerotilus natans immobilized in polysulfone matrix: equilibrium and kinetic analysis / Hydrometall 70:101~112
Aejung Choi / 2009 / Biosorption of cadmium, copper, and lead ions from aqueous solutions by Ralstonia sp. and Bacillus sp. isolated from diesel and heavy metal contaminated soil / Geosciences Journal 13(4):331~341
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