Adsorption of Procion Blue MX-R dye from aqueous solutions by lignin chemically modified with aluminium and manganese
被引:111
作者:
Adebayo, Matthew A.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Ajayi Crowther Univ, Dept Chem Sci, Oyo, Oyo State, NigeriaUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Adebayo, Matthew A.
[1
,2
]
Prola, Lizie D. T.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Prola, Lizie D. T.
[1
]
Lima, Eder C.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Lima, Eder C.
[1
]
Puchana-Rosero, M. J.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Puchana-Rosero, M. J.
[1
]
Cataluna, Renato
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Cataluna, Renato
[1
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Saucier, Caroline
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Saucier, Caroline
[1
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Umpierres, Cibele S.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Umpierres, Cibele S.
[1
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Vaghetti, Julio C. P.
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Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Vaghetti, Julio C. P.
[1
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da Silva, Leandro G.
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Univ Fed Uberlandia, Inst Chem, BR-38400902 Uberlandia, MG, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
da Silva, Leandro G.
[3
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Ruggiero, Reinaldo
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Univ Fed Uberlandia, Inst Chem, BR-38400902 Uberlandia, MG, BrazilUniv Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Ruggiero, Reinaldo
[3
]
机构:
[1] Univ Fed Rio Grande do Sul, Inst Chem, BR-91501970 Porto Alegre, RS, Brazil
Adsorption;
Lignin complex;
Procion Blue MX-R dye;
Nonlinear isotherm fitting;
General order kinetic model;
MULTI-WALLED CARBON;
COPPER DETERMINATION;
ACTIVATED CARBON;
FRUIT SHELL;
TEXTILE DYE;
AZO-DYE;
REMOVAL;
BIOSORPTION;
EQUILIBRIUM;
BIOSORBENT;
D O I:
10.1016/j.jhazmat.2014.01.005
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
A macromolecule, CML, was obtained by purifying and carboxy-methylating the lignin generated from acid hydrolysis of sugarcane bagasse during bioethanol production from biomass. The CMLs complexed with Al3+ (CML-Al) and Mn2+ (CML-Mn) were utilised for the removal of a textile dye, Procion Blue MX-R (PB), from aqueous solutions. CML-Al and CML-Mn were characterised using Fourier transform infrared spectroscopy (FTIR), scanning differential calorimetry (SDC), scanning electron microscopy (SEM) and pH(PZC). The established optimum pH and contact time were 2.0 and 5 h, respectively. The kinetic and equilibrium data fit into the general order kinetic model and Liu isotherm model, respectively. The CML-Al and CML-Mn have respective values of maximum adsorption capacities of 73.52 and 55.16 mg g(-1) at 298 K. Four cycles of adsorption/desorption experiments were performed attaining regenerations of up to 98.33% (CML-Al) and 98.08% (CML-Mn) from dye-loaded adsorbents, using 50% acetone +50% of 0.05 mol L-1 NaOH. The CML-Al removed ca. 93.97% while CML-Mn removed ca. 75.91% of simulated dye house effluents. (C) 2014 Elsevier B.V. All rights reserved.