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  DOI Prefix   10.20431


 

International Journal of Advanced Research in Chemical Science
Volume 4, Issue 5, 2017, Page No: 9-20

Equations Adsorption Isotherms for Biuret on Soils, Paper and Cortex Plantapplication of the Freundlich, Langmuir, Temkin, Elovich, Flory-Huggins,Halsey, and Harkins-Jura

Layla Balasem Almalike

Southern Technical University, Department Chemical and Petrochemical Engineering, Technical Engineering College/Basra

Citation :Layla Balasem Almalike, Equations Adsorption Isotherms for Biuret on Soils, Paper and Cortex Plantapplication of the Freundlich, Langmuir, Temkin,Elovich, Flory-Huggins, Halsey, and Harkins-Jura International Journal of Advanced Research in Chemical Science 2017,4(5) : 9-20

Abstract

Adsorption is considered to be one of the most effective technologies widely used in global environmental protection areas. Modeling of experimental adsorption isotherm data is an essential way for predicting the mechanisms of adsorption, which will lead to an improvement in the area of adsorption science. In this paper, we employed seven isotherm models, namely: Freundlich, Langmuir, Elovich, Temkin, Harkins-Jura, Halsey, and Flory-Hugginsto correlate seven sets of experimental adsorption isotherm data, which were obtained by batch tests in laboratory. In order to determine the best fit isotherm model, the correlation coefficient (R2) foreach parameter was used to evaluate the data. The kinetics study for adsorption processes were found to verity the first order rate law. Thermodynamic parameters (ΔG°,ΔH° and ΔS°) were also calculated, indicating the endothermic processes.


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