Retention of nickel from aqueous solutions using iron oxide and manganese oxide coated sand: kinetic and thermodynamic studies
Identifieur interne : 000136 ( PascalFrancis/Corpus ); précédent : 000135; suivant : 000137Retention of nickel from aqueous solutions using iron oxide and manganese oxide coated sand: kinetic and thermodynamic studies
Auteurs : N. Boujelben ; J. Bouzid ; Z. Elouear ; M. FekiSource :
- Environmental technology [ 0959-3330 ] ; 2010.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
In this study, the removal of nickel ions from aqueous solutions using iron oxide and manganese oxide coated sand (ICS and MCS) under different experimental conditions was investigated. The effect of metal concentration, contact time, solution pH and temperature on the amount of Ni(II) sorbed was studied and discussed. Langmuir and Freundlich isotherm constants and correlation coefficients for the present systems at different temperatures were calculated and compared. The equilibrium process was well described by the Langmuir isotherm model: the maximum sorption capacities (at 29 K) were 2.73 mg Ni/g and 3.33 mg Ni/g of sorbent for ICS and MCS, respectively. Isotherms were also used to evaluate the thermodynamic parameters (ΔG°, ΔH°, ΔS°) of adsorption. The sorption kinetics were tested for the pseudo-first-order, pseudo-second-order and intra-particle diffusion models. Good correlation coefficients were obtained for the pseudo-second-order kinetic model, showing that the nickel uptake process followed the pseudo-second-order rate expression.
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Format Inist (serveur)
NO : | PASCAL 11-0040300 INIST |
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ET : | Retention of nickel from aqueous solutions using iron oxide and manganese oxide coated sand: kinetic and thermodynamic studies |
AU : | BOUJELBEN (N.); BOUZID (J.); ELOUEAR (Z.); FEKI (M.) |
AF : | Laboratoire Eau Energie et Environnement, département de génie géologique, Ecole Nationale d'Ingénieurs de Sfax, BP W 3038 Sfax/Tunisie (1 aut., 2 aut., 3 aut.); Unité de chimie industrielle I, Ecole Nationale d'Ingénieurs de Sfax, BP W 3038 Sfax/Tunisie (4 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Environmental technology; ISSN 0959-3330; Royaume-Uni; Da. 2010; Vol. 31; No. 14; Pp. 1623-1634; Bibl. 45 ref. |
LA : | Anglais |
EA : | In this study, the removal of nickel ions from aqueous solutions using iron oxide and manganese oxide coated sand (ICS and MCS) under different experimental conditions was investigated. The effect of metal concentration, contact time, solution pH and temperature on the amount of Ni(II) sorbed was studied and discussed. Langmuir and Freundlich isotherm constants and correlation coefficients for the present systems at different temperatures were calculated and compared. The equilibrium process was well described by the Langmuir isotherm model: the maximum sorption capacities (at 29 K) were 2.73 mg Ni/g and 3.33 mg Ni/g of sorbent for ICS and MCS, respectively. Isotherms were also used to evaluate the thermodynamic parameters (ΔG°, ΔH°, ΔS°) of adsorption. The sorption kinetics were tested for the pseudo-first-order, pseudo-second-order and intra-particle diffusion models. Good correlation coefficients were obtained for the pseudo-second-order kinetic model, showing that the nickel uptake process followed the pseudo-second-order rate expression. |
CC : | 001D16; 001D07K |
FD : | Rétention; Solution aqueuse; Cinétique; Condition opératoire; pH; Isotherme adsorption; Coefficient corrélation; Isotherme Langmuir; Modélisation; Sorption; Sorbant; Paramètre thermodynamique; Adsorption; Ordre 1; Ordre 2; Diffusion; Modèle cinétique; Captation; Désorption |
ED : | Retention; Aqueous solution; Kinetics; Operating conditions; pH; Adsorption isotherm; Correlation coefficient; Langmuir isotherm; Modeling; Sorption; Sorbent; Thermodynamic parameter; Adsorption; First order; Second order; Diffusion; Kinetic model; Uptake; Desorption |
SD : | Retención; Solución acuosa; Cinética; Condición operatoria; pH; Isotermo adsorción; Coeficiente correlación; Isoterma Langmuir; Modelización; Sorción; Sorbente; Parámetro termodinámico; Adsorción; Orden 1; Orden 2; Difusión; Modelo cinético; Captación; Desorción |
LO : | INIST-19606.354000195035730130 |
ID : | 11-0040300 |
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Pascal:11-0040300Le document en format XML
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<front><div type="abstract" xml:lang="en">In this study, the removal of nickel ions from aqueous solutions using iron oxide and manganese oxide coated sand (ICS and MCS) under different experimental conditions was investigated. The effect of metal concentration, contact time, solution pH and temperature on the amount of Ni(II) sorbed was studied and discussed. Langmuir and Freundlich isotherm constants and correlation coefficients for the present systems at different temperatures were calculated and compared. The equilibrium process was well described by the Langmuir isotherm model: the maximum sorption capacities (at 29 K) were 2.73 mg Ni/g and 3.33 mg Ni/g of sorbent for ICS and MCS, respectively. Isotherms were also used to evaluate the thermodynamic parameters (ΔG°, ΔH°, ΔS°) of adsorption. The sorption kinetics were tested for the pseudo-first-order, pseudo-second-order and intra-particle diffusion models. Good correlation coefficients were obtained for the pseudo-second-order kinetic model, showing that the nickel uptake process followed the pseudo-second-order rate expression.</div>
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<server><NO>PASCAL 11-0040300 INIST</NO>
<ET>Retention of nickel from aqueous solutions using iron oxide and manganese oxide coated sand: kinetic and thermodynamic studies</ET>
<AU>BOUJELBEN (N.); BOUZID (J.); ELOUEAR (Z.); FEKI (M.)</AU>
<AF>Laboratoire Eau Energie et Environnement, département de génie géologique, Ecole Nationale d'Ingénieurs de Sfax, BP W 3038 Sfax/Tunisie (1 aut., 2 aut., 3 aut.); Unité de chimie industrielle I, Ecole Nationale d'Ingénieurs de Sfax, BP W 3038 Sfax/Tunisie (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Environmental technology; ISSN 0959-3330; Royaume-Uni; Da. 2010; Vol. 31; No. 14; Pp. 1623-1634; Bibl. 45 ref.</SO>
<LA>Anglais</LA>
<EA>In this study, the removal of nickel ions from aqueous solutions using iron oxide and manganese oxide coated sand (ICS and MCS) under different experimental conditions was investigated. The effect of metal concentration, contact time, solution pH and temperature on the amount of Ni(II) sorbed was studied and discussed. Langmuir and Freundlich isotherm constants and correlation coefficients for the present systems at different temperatures were calculated and compared. The equilibrium process was well described by the Langmuir isotherm model: the maximum sorption capacities (at 29 K) were 2.73 mg Ni/g and 3.33 mg Ni/g of sorbent for ICS and MCS, respectively. Isotherms were also used to evaluate the thermodynamic parameters (ΔG°, ΔH°, ΔS°) of adsorption. The sorption kinetics were tested for the pseudo-first-order, pseudo-second-order and intra-particle diffusion models. Good correlation coefficients were obtained for the pseudo-second-order kinetic model, showing that the nickel uptake process followed the pseudo-second-order rate expression.</EA>
<CC>001D16; 001D07K</CC>
<FD>Rétention; Solution aqueuse; Cinétique; Condition opératoire; pH; Isotherme adsorption; Coefficient corrélation; Isotherme Langmuir; Modélisation; Sorption; Sorbant; Paramètre thermodynamique; Adsorption; Ordre 1; Ordre 2; Diffusion; Modèle cinétique; Captation; Désorption</FD>
<ED>Retention; Aqueous solution; Kinetics; Operating conditions; pH; Adsorption isotherm; Correlation coefficient; Langmuir isotherm; Modeling; Sorption; Sorbent; Thermodynamic parameter; Adsorption; First order; Second order; Diffusion; Kinetic model; Uptake; Desorption</ED>
<SD>Retención; Solución acuosa; Cinética; Condición operatoria; pH; Isotermo adsorción; Coeficiente correlación; Isoterma Langmuir; Modelización; Sorción; Sorbente; Parámetro termodinámico; Adsorción; Orden 1; Orden 2; Difusión; Modelo cinético; Captación; Desorción</SD>
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<ID>11-0040300</ID>
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