Adsorption of phenol on formaldehyde-pretreated Pinus pinaster bark:: Equilibrium and kinetics
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Vazquez, G.
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Univ Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain
Vazquez, G.
[1
]
Gonzalez-Alvarez, J.
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Univ Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain
Gonzalez-Alvarez, J.
[1
]
Garcia, A. I.
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Univ Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain
Garcia, A. I.
[1
]
Freire, M. S.
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Univ Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain
Freire, M. S.
[1
]
Antorrena, G.
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Univ Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain
Antorrena, G.
[1
]
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[1] Univ Santiago de Compostela, Escuela Tecnica Super Ingn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain
This work studies phenol adsorption on Pinus pinaster bark that has been previously treated with formaldehyde in acid medium. The influence of several variables such as solid/liquid ratio, pH and initial concentration of phenol in the solution on the adsorption capacity of the bark has been analysed. A kinetic model based on phenol diffusion within the pores of the adsorbent was in agreement with the results obtained for high initial concentrations of phenol, allowing the determination of diffusion coefficients. Adsorption equilibrium data were fitted by the Freundlich and BET isotherms. From their parameters phenol adsorption capacity and intensity, as well as the specific surface (BET) of the adsorbent, were determined. (c) 2006 Elsevier Ltd. All rights reserved.
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
Vázquez, G
González-Alvarez, J
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
González-Alvarez, J
Freire, S
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
Freire, S
López-Lorenzo, M
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
López-Lorenzo, M
Antorrena, G
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
机构:
Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
Vázquez, G
González-Alvarez, J
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
González-Alvarez, J
Freire, S
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
Freire, S
López-Lorenzo, M
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Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain
López-Lorenzo, M
Antorrena, G
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h-index: 0
机构:
Univ Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Chem, Dept Chem Engn, Santiago De Compostela 15782, Spain