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Alya Khider Abaas
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Medicine & Pharmacology

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Equilibrium, Thermodynamic and Kinetic Study of the Adsorption of a New Mono Azo dye onto Natural Iraq Clay Alya Khider Abaas
Journal of Global Pharma Technology Volume 10 Issue 05: (2018) May2018
Publisher : Journal of Global Pharma Technology

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Abstract

In the present work, bentonite clay was used as an adsorbent for the removal of a new prepared mono azo dye, 4-[6-bromo benzothiazolyl azo] thymol (BTAT) using batch adsorption method. The effect of many factors like adsorption time, adsorbent weight, initial BTAT concentration and temperature has been studied. The equilibrium adsorption data was described using Langmuir and frundlich adsorption isotherm. Based on kinetics study, it was found that the adsorption process follow pseudo second order kinetics. Thermodynamics data such as Gibbes Free energy ∆Gᵒ, entropy ∆Sᵒ and ∆Hᵒ were also determined using Vant Hoff plot.Keywords: Adsorption, Azo dye, Bentonite, Isotherm, kinetic.
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