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The Freundlich Isotherm in Studying Adsorption in Oil Processing

Journal of the American Oil Chemists' Society, 1996
AbstractThe objective of this review is to discuss the history of the use of the Freundlich isotherm in investigating adsorption processing of vegetable oils and to evaluate its current value in adsorption studies. The Freundlich isotherm was originally developed to explain the adsorption of a single solute from solution.
A. Proctor, J. F. Toro‐Vazquez
openaire   +1 more source

Tylosin sorption to diatomaceous earth described by Langmuir isotherm and Freundlich isotherm models

Chemosphere, 2018
Tylosin, an antibiotic used for maintaining livestock health, is a macrolide structurally similar to a number of important, often prescribed human antibiotics. Because of this relationship, tylosin presents a potential threat of antimicrobial resistance from environmental buildup.
Bobbi S, Stromer   +2 more
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A practical guide to calculate the isosteric heat/enthalpy of adsorption via adsorption isotherms in metal-organic frameworks, MOFs.

Dalton Transactions, 2020
Porous materials such as MOFs are interesting candidates for gas separation and storage. An important parameter to gain deeper insights to the adsorption process of an adsorptive on an adsorbent is the isosteric enthalpy of adsorption, ΔHads which is ...
Alexander Nuhnen, C. Janiak
semanticscholar   +1 more source

Thermodynamic quantities of adsorption described by Freundlich isotherm

Russian Chemical Bulletin, 1990
Thermodynamic analysis of the Freundlich adsorption isotherm was performed. Equations describing the thermodynamic characteristics of adsorption as a function of the adsorbed quantity are presented, and relationships between the excess differential and average molar thermodynamic adsorption quantities were obtained.
L. D. Asnin   +2 more
openaire   +1 more source

Yesterday, Today, and Tomorrow. Evolution of a Sleeping Beauty: The Freundlich Isotherm

Langmuir, 2023
The name of Herbert Freundlich is commonly associated with a power relationship for adsorbed amount of a substance (Cads) against the concentration in solution (Csln), such that Cads = KCslnn; this isotherm (together with the Langmuir isotherm) is considered to be the model of choice for correlating the experimental adsorption data of micropollutants ...
Debord, Jean   +4 more
openaire   +4 more sources

Freundlich's adsorption isotherm

Surface Science, 1973
Abstract We present a brief derivation of Freundlich's adsorption isotherm using straightforeward methods of statistical mechanics. The assumption that the adsorbed atoms move in Morse potential wells of different depths leads to the observed compensation effect in the energy dependence of the occupation probability of surface sites, essential for ...
openaire   +1 more source

Characterization of Molecularly Imprinted Polymers with the Langmuir−Freundlich Isotherm

Analytical Chemistry, 2001
The majority of binding models that have been applied to molecularly imprinted polymers (MIPs) have been homogeneous models. MIPs, on the other hand, are heterogeneous materials containing binding sites with a wide array of binding affinities and selectivities.
R J, Umpleby   +4 more
openaire   +2 more sources

Statistical Mechanical Study on the Freundlich Isotherm Equation

Journal of Colloid and Interface Science, 1998
The Freundlich isotherm equation, in the form of theta = KP1/n, was derived by treating the model with the ensemble theory in statistical mechanics as a theoretical tool, the model being set up for the adsorption system with emphasis on two factors, namely the lateral interaction between the adsorbed molecules and the energetic surface heterogeneity ...
openaire   +2 more sources

Magnetic COFs for the adsorptive removal of diclofenac and sulfamethazine from aqueous solution: Adsorption kinetics, isotherms study and DFT calculation.

Journal of Hazardous Materials, 2019
Covalent organic frameworks (COFs) are emerging and promising adsorbents for the adsorptive removal of many types of pollutants. However, most COFs fabricated by various methods are in the form of microcrystalline powders, making them difficult in ...
S. Zhuang   +3 more
semanticscholar   +1 more source

Exploring the adsorption mechanisms of cationic and anionic dyes onto agricultural waste peels of banana, cucumber and potato: Adsorption kinetics and equilibrium isotherms as a tool

Journal of Environmental Chemical Engineering, 2018
Banana (BP), cucumber (CP) and potato peels (PP) were used as biosorbents for the removal of both cationic (Methylene blue) and anionic (Orange G) dyes from wastewater.
A. Stavrinou   +2 more
semanticscholar   +1 more source

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