Biosorption of reactive blue 5G dye onto drying orange bagasse in batch system: Kinetic and equilibrium modeling
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作者:
Fiorentin, Leila D.
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Univ Estadual Maringa, Postgrad Program Chem Engn, BR-87020900 Maringa, Parana, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Fiorentin, Leila D.
[2
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Trigueros, Daniela E. G.
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Univ Estadual Maringa, Postgrad Program Chem Engn, BR-87020900 Maringa, Parana, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Trigueros, Daniela E. G.
[2
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Modenes, Aparecido N.
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Parana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Modenes, Aparecido N.
[1
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Espinoza-Quinones, Fernando R.
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Parana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Espinoza-Quinones, Fernando R.
[1
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Pereira, Nehemias C.
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Univ Estadual Maringa, Postgrad Program Chem Engn, BR-87020900 Maringa, Parana, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Pereira, Nehemias C.
[2
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Barros, Sueli T. D.
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Univ Estadual Maringa, Postgrad Program Chem Engn, BR-87020900 Maringa, Parana, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Barros, Sueli T. D.
[2
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Santos, Onelia A. A.
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Univ Estadual Maringa, Postgrad Program Chem Engn, BR-87020900 Maringa, Parana, BrazilParana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
Santos, Onelia A. A.
[2
]
机构:
[1] Parana W State Univ, Postgrad Program Chem Engn, BR-85903000 Toledo, PR, Brazil
[2] Univ Estadual Maringa, Postgrad Program Chem Engn, BR-87020900 Maringa, Parana, Brazil
In this work, orange bagasse has been used as an alternative adsorbent for removal of reactive blue 5G dye from an aqueous solution. The influence of the dye solution pH, the biosorbent drying, the dye solution temperature and biosorbent grain size was studied in batch systems, in order to improve the biosorption kinetics and the experimental equilibrium conditions. Batch kinetic experiments were carried out with different dye concentrations at two temperatures. The biosorption kinetic data were well fitted by both pseudo-first and second order models. The equilibrium adsorption data were interpreted by applying widely the isotherm models and a set of six BET isotherm-added-to other ones and their adjustable parameters were determined by the PSO method. The isotherm models with s-shaped behavior, such as the Langmuir-BET combined isotherm, have described satisfactorily the equilibrium data, suggesting that the dye removal is based on an adsorption process of multi-layers onto the orange bagasse. (C) 2010 Elsevier B.V. All rights reserved.
机构:
Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Calvete, Tatiana
;
Lima, Eder C.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Lima, Eder C.
;
Cardoso, Natali F.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Cardoso, Natali F.
;
Dias, Silvio L. P.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Dias, Silvio L. P.
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Pavan, Flavio A.
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UNIPAMPA, Fed Univ Pampa, Bage, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
机构:
Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Calvete, Tatiana
;
Lima, Eder C.
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h-index: 0
机构:
Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Lima, Eder C.
;
Cardoso, Natali F.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Cardoso, Natali F.
;
Dias, Silvio L. P.
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机构:
Univ Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil
Dias, Silvio L. P.
;
Pavan, Flavio A.
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机构:
UNIPAMPA, Fed Univ Pampa, Bage, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501907 Porto Alegre, RS, Brazil