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Vol 14, No 5 (2011)
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Batch and fixed-bed column biosorption of manganese ion by Sargassum filipendula | Assumpção Henriques | Electronic Journal of Biotechnology
doi: 10.2225/vol14-issue5-fulltext-8
Electronic Journal of Biotechnology, Vol 14, No 5 (2011)

Batch and fixed-bed column biosorption of manganese ion by Sargassum filipendula

Cristiane Assumpção Henriques, Antonio Carlos Augusto da Costa, Marcelo Martins dos Reis, André Luiz Hemerly Costa, Aderval Severino Luna



Abstract

This paper presents experimental data of the biosorption of manganese onto Sargassum filipendula in both batch and fixed-bed column systems. Batch equilibrium data were used for nonlinear fittings of the Langmuir and Freundlich isotherms. A mathematical model based on mass balances in the fluid and in the sorbent was applied to represent the experimental fixed-bed column data. The utilization of isotherm parameters from the batch experiments in the breakthrough model implied a significant mismatch in relation to the laboratory data. Alternatively, additional fixed-bed column data provided new parameters for the isotherm evaluation, and the corresponding simulated profile of the breakthrough curve reached better agreement to the experimental results.




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ISSN:  0717-3458

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