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Biosorption of phenolic compounds by the brown alga Sargassum muticum by Eugenia Rubín; Pilar Rodríguez; Roberto Herrero; Manuel E. Sastre de Vicente is a Engineering article available to read on EtoBox.

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## Abstract Phenol, 2‐chlorophenol (2‐CP), and 4‐chlorophenol (4‐CP) biosorption on __Sargassum muticum__, an invasive macroalga in Europe, has been investigated. The efficiency of this biosorbent was studied measuring the equilibrium uptake using the batch technique. A chemical pre‐treatment with CaCl~2~ has been employed in this study in order to improve the stability as well as the sorption capacity of the algal biomass. The influence of pH on the equilibrium binding and the effect of the algal dose were evaluated. The experimental data at pH = 1 have been analysed using Langmuir and Freundlich isotherms. It was found that the maximum sorption capacity of chlorophenols, q~max~ = 251 mg g^−1^ for 4‐CP and q~max~ = 79 mg g^−1^ for 2‐CP, as well as that of a binary mixture of both chlorophenols, q~max~ = 108 mg g^−1^, is much higher than that of phenol, q~max~ = 4.6 mg g^−1^. Moreover, sorption kinetics have been performed and it was observed that the equilibrium was reached in less than 10 h. Kinetic data have been fitted to the first order Lagergren model, from which the rate constant and the sorption capacity were determined. Finally, biosorption of the phenolic compounds examin

Who reads Biosorption of phenolic compounds by the brown alga Sargassum muticum?

Author

Eugenia Rubín; Pilar Rodríguez; Roberto Herrero; Manuel E. Sastre de Vicente

Publisher

Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0268-2575)

Published

2006

Language

EN

Field

Engineering (Physical Sciences)