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Pseudo First-Order

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

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

... using pseudo first order and pseudo second order ...the pseudo-second order model than pseudo-first order ...of pseudo- second order ...

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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

... Adsorption kinetics modeling is very useful for better understanding of Zn (II) sorption mechanisms onto WLC material such as the importance of the chemical reactions and the particle diffusion processes. To fit the ...

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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

... as pseudo first order, pseudo second order, intraparticle diffusion and film diffusion were ...the order of fittings: Intraparticle diffusion (R 2 = ...

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Modeling of Adsorption of Bi(III) from Nitrate Medium by Impregnated Resin D2EHPA/XAD 1180

Modeling of Adsorption of Bi(III) from Nitrate Medium by Impregnated Resin D2EHPA/XAD 1180

... Lagergren first or- der, the pseudo second order and Morris–Weber ...Lagergren pseudo first order and film-diffusion models were found to best describe the experimental rate ...

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Preparation of Coal-Kaolinite Nano Composites and Investigation of Their Use to Remove Methyl Orange       from Water

Preparation of Coal-Kaolinite Nano Composites and Investigation of Their Use to Remove Methyl Orange from Water

... Lagergren pseudo first and second order kinetics ...Lagergren pseudo second order kinetics model (fig (5) slightly better than the pseudo first order (see fig 4) ...

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

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

... gren pseudo first-order kinetics, pseudo second order kinetics, intra-particle diffusion kinetic model and the Langmuir and Freundlich adsorption isotherm ...

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Permanganatic oxidation of neomycine sulphate salt in basic media: a kinetic study

Permanganatic oxidation of neomycine sulphate salt in basic media: a kinetic study

... initial rate is plotted against concentration of NS, the trend line is linear with positive slope when logk versus [NS] is plotted it confirm the fractional order of reaction. Hence the reaction under ...

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Polyamide Fibers Covered with Chlorhexidine: Thermodynamic Aspects

Polyamide Fibers Covered with Chlorhexidine: Thermodynamic Aspects

... in order to provide the fiber surface with anionic groups, fiber has been previously dyed with Remazol Brilliant Blue which increases the negative charge of the fiber surface due to the presence of its sulfonate ...

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Cyclohexanol towards quinaldinium fluorochromate oxidation

Cyclohexanol towards quinaldinium fluorochromate oxidation

... The reactions were followed under pseudo-first order conditions by always maintaining the substrate concentration in excess of quinaldinium fluorochromate. The reactions were carried out at constant ...

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Kinetics and Mechanism of Oxidation of Anthranyl Styryl Ketone by Nicotinium Dichromate in aqusous acetic acid media

Kinetics and Mechanism of Oxidation of Anthranyl Styryl Ketone by Nicotinium Dichromate in aqusous acetic acid media

... indicating first order in NDC (Fig-1).The pseudo-first order rate constants were independent of the initial concentration of the oxidant (Table- ...showing first order ...

5

Mozambique tilapia fish scales as potential biosorbent for Zn and Pb ions removal : kinetic and isotherm studies

Mozambique tilapia fish scales as potential biosorbent for Zn and Pb ions removal : kinetic and isotherm studies

... In contrast to the pseudo-first-order kinetic model, the pseudo-second-order kinetic model assumes that metal biosorption depends on the number of metal ions present in solution and the [r] ...

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... Therefore, this work focuses on bioremediation of arsenic polluted soils using two organisms: Proteus mirabilis and Bacillus subtilis isolated from the same soils obtained from the forest of Amaonye in Ishiagu ...

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Kinetic, equilibrium isotherm and thermodynamic study for removal of cadmium from wastewater by using modified pomegranate peel

Kinetic, equilibrium isotherm and thermodynamic study for removal of cadmium from wastewater by using modified pomegranate peel

... using pseudo-first order, pseudo-second order and intraparticle diffusion rate ...the pseudo-second order equation suggesting that the ladsorption process is presumably ...

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Application of Modified Bagasse as a Biosorbent for Reactive Dyes Removal from Industrial Wastewater

Application of Modified Bagasse as a Biosorbent for Reactive Dyes Removal from Industrial Wastewater

... Propionic acid modified bagasse was used for the removal of reactive yellow 2 and reactive blue 4. The effects of pH, contact time, initial dye concentrations, adsorbent particle size and adsorbent dose on the adsorption ...

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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

... from the slope of the straight line. The results show weak compliance with the pseudo first order equation at high initial concentrations. The disagreements between the sets of data are reflected by ...

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PHOTOCATALYTIC ACTIVITY OF Co 3O4 - ZnO - ZrO 2TERNARY NANOPARTICLES FOR THE DEGRADATION OF METHYLENE BLUE DYE

PHOTOCATALYTIC ACTIVITY OF Co 3O4 - ZnO - ZrO 2TERNARY NANOPARTICLES FOR THE DEGRADATION OF METHYLENE BLUE DYE

... The observed rate constants (k) at 90 min for the photocatalytic degradation of MB using different pH value of 4 and 9 are 0.01056 and 0.01329min -1 respectively. Kinetics of degradation of MB using pH 4 and 9 under ...

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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 ...the pseudo -second ...

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BIOSORPTION OF METHYLENE BLUE FROM WASTE WATER USING SCABIOSAPROLIFERA (CARMEL DAISY)

BIOSORPTION OF METHYLENE BLUE FROM WASTE WATER USING SCABIOSAPROLIFERA (CARMEL DAISY)

... In the present study, scabiosaprolifera (Carmel Daisy) a natural growing plant in Houlavaly was used as a Bio-sorbent for the removal of Methylene Blue from waste water and to study its adsorption behavior. Kinetic study ...

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