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Pseudo-first-order Kinetic Models

Isotherm Studies of Adsorption of Cr (Vi) Ions onto Coconut Husk

Isotherm Studies of Adsorption of Cr (Vi) Ions onto Coconut Husk

... the kinetic model plots of adsorption. Table 3 shows the kinetic parameters of adsorption of Cr (VI) ion obtained using pseudo first order and pseudo second order ...the ...

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Adsorption of Methyl Orange onto Chitosan from Aqueous Solution

Adsorption of Methyl Orange onto Chitosan from Aqueous Solution

... The kinetic data obtained from different batch experiments were analyzed using both pseudo first-order and pseudo second-order ...Langmuir models. The best results were ...

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Adsorption of methylene blue from aqueous solution using
Polyalthia longifolia (Ashoka) seed powder

Adsorption of methylene blue from aqueous solution using Polyalthia longifolia (Ashoka) seed powder

... K.The kinetic processes of MB adsorption on PL seed powder were described by applying pseudo- first order and pseudo-second order ...obeyed pseudo-second order ...

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Polyamide Fibers Covered with Chlorhexidine: Thermodynamic Aspects

Polyamide Fibers Covered with Chlorhexidine: Thermodynamic Aspects

... The kinetic determinations were performed in the same way, using 250 ml of initial solu- ...Freundlich models, as well as to investigate about kinetics mechanism involved we have tested a ...

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Desorption Kinetics of Heavy Metals (Lead, Zinc, and Nickel) Coexisted with Phenanthrene from a Natural High Buffering Soil

Desorption Kinetics of Heavy Metals (Lead, Zinc, and Nickel) Coexisted with Phenanthrene from a Natural High Buffering Soil

... five kinetic models including parabolic diffusion, Elovich, fractional power function, pseudo-first and -second- order ...and pseudo-second-order (for heavy metals of ...

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Removal of Phosphorus from Water Using Marble Dust as Sorbent Material

Removal of Phosphorus from Water Using Marble Dust as Sorbent Material

... tests, kinetic sorption model and isotherm model. The kinetic sorption model based on a pseudo equation was applied to pre- dict the rate constant of ...using kinetic sorption models, ...

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... mathematical kinetic models (Pseudo-first order model, pseuodo-second order model, Elovich model and the intra-particle diffusion model) to fit experimental ...

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Kinetic and Thermodynamic Studies on Biosorption of Lead ions by Chemically Modified Sawdust

Kinetic and Thermodynamic Studies on Biosorption of Lead ions by Chemically Modified Sawdust

... The problem of removing pollutants from water is an important process and is becoming more important with the increasing of industrial activities. One of the most important environmental problems is water resources ...

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Biosorbent from Industrial Hemp Hurds for Copper Ions Removal

Biosorbent from Industrial Hemp Hurds for Copper Ions Removal

... Abstract: Screening a new biosorbent with low-cost and high efficiency from a biological waste material is a key to the adsorption of heavy metal ions from wastewater. The biosorbent from industrial hemp hurds was ...

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Copper (11) Ions Biosorption from Aqueous Solution Using Modified Moringa Oleiferal Leaves (MMOL)

Copper (11) Ions Biosorption from Aqueous Solution Using Modified Moringa Oleiferal Leaves (MMOL)

... using pseudo-first-order and pseudo-second-order kinetic ...The pseudo second-order kinetic model was found to fit the experimental data for the entire ...

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Imprinted Nickel-Cobalt Chitosan As A Specific Adsorbent Of Nickel (Ni2+) And Cobalt (Co2+)

Imprinted Nickel-Cobalt Chitosan As A Specific Adsorbent Of Nickel (Ni2+) And Cobalt (Co2+)

... group first, then cross-linked with a cross- linking agent, and subsequently issued with a metal ion chelating (Varma et ...The pseudo first-order and pseudo second order were ...

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The kinetics of eosin yellow removal from aqueous solution using pineapple peels

The kinetics of eosin yellow removal from aqueous solution using pineapple peels

... From the adsorption data, the sorptive property of the pineapple peels was found to be dependent on initial adsorbate concentration, initial solution pH and contact time. Adsorption data was also found to fit both the ...

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Biosorption of Methylene Blue and Orange II on deactivated lichen Parmotrema dilatatum : Modeling and kinetic studies

Biosorption of Methylene Blue and Orange II on deactivated lichen Parmotrema dilatatum : Modeling and kinetic studies

... the pseudo-second-order model showed good agreement with the experimental values (q_(e,exp)) compared to those of the pseudo-first ...both models, the difference between the values ...

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Using white limestone cement for the removal of Zn (II) ions from Zn electroplating effluent : Kinetic modeling studies

Using white limestone cement for the removal of Zn (II) ions from Zn electroplating effluent : Kinetic modeling studies

... The pseudo first-order and Linear Driving Force Model equations do not give a good fit to the experimental data for the Zn (II) sorption onto WLC ...The pseudo second-order equation ...

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Removal of Steriod Hormones by Activated Carbon Adsorption—Kinetic and Thermodynamic Studies

Removal of Steriod Hormones by Activated Carbon Adsorption—Kinetic and Thermodynamic Studies

... various kinetic models based on aqueous phase concen- trations of E2 and ...EE2. Pseudo first order, pseudo second order and the intra-particle diffusion kinetic ...

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Adsorption studies on treatment of cooking oil mill effluent using crab shell chitosan

Adsorption studies on treatment of cooking oil mill effluent using crab shell chitosan

... various models were compared, it was observed that the pseudo first order equation proved the best correlation for all the batch adsorption experiments for the reduction of COD from cooking ...

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KINETIC AND THERMODYNAMIC STUDIES OF METHYL ORANGE ADSORPTION ONTO MESOPOROUS CARBON COATED MONOLITH (SYNTHESIZED BY SURFACTANT)

KINETIC AND THERMODYNAMIC STUDIES OF METHYL ORANGE ADSORPTION ONTO MESOPOROUS CARBON COATED MONOLITH (SYNTHESIZED BY SURFACTANT)

... The mesoporous carbon coated monoliths were characterized using BET, pH point zero charge and surface chemistry. The adsorption kinetics of methyl orange onto carbon coated monolith was examined in this study and fitted ...

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A Kinetic Study for Removal of Bismarck Brown G by Adsorption over Multiwall Carbon Nanotubes

A Kinetic Study for Removal of Bismarck Brown G by Adsorption over Multiwall Carbon Nanotubes

... In this work, Multiwall carbon nanotubes (MWCNTs) were used in the adaptive removal of Bismarck Brown G (BBG) dye from an aqueous solution. Crystal structure of the materials was investigated using X-rays diffraction ...

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Leaching Kinetics of As, Mo, and Se from Acidic Coal Fly Ash Samples

Leaching Kinetics of As, Mo, and Se from Acidic Coal Fly Ash Samples

... zero order, first order, second order, and their derivative equations [20] [21] ...of kinetic models such as Elovich equation [23], power function equation [24] [25], and ...

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“Development of Eudragit Based Sustained Release Systems of Galantamine Hydrobromide” by Angel Aleksiev, Bistra Kostova, Dimitar Rachev, Bulgaria.

“Development of Eudragit Based Sustained Release Systems of Galantamine Hydrobromide” by Angel Aleksiev, Bistra Kostova, Dimitar Rachev, Bulgaria.

... different kinetic models and the best results for correlation coefficient are obtained for first order kinetic model and Higuchi model, which indicates a diffusion drug release ...

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