Author(s): Barakat A. F. Kamel, Amel S. Mahdi, Athraa A. Ahmed, Dina A. Ali and Kafi M. Dawood

Email(s): baraka19832012@yahoo.com

DOI: 10.5958/0974-360X.2018.00735.7   

Address: Barakat A. F. Kamel, Amel S. Mahdi, Athraa A. Ahmed, Dina A. Ali and Kafi M. Dawood
Department of Chemistry, College of Science, University of Al-Mustansiriyah, Iraq
*Corresponding Author

Published In:   Volume - 11,      Issue - 9,     Year - 2018


ABSTRACT:
In this research the adsorption of Vat Brown 16 Dye on ZnO and Nano-ZnO particles were investigated, the effect of changing the contact times, the effect of changing the initial concentrations of the dye were applied, The adsorption kinetics of dye studied and found that the reaction was ( Pseudo-second order), the effect of changing the temperatures studied to apply the adsorption isotherms ( Langmuir and freundlich) models which are calculated the isotherm constants to calculate the thermodynamic parameters (?H, ?G and ?S). The negative values of ?H indicate that the adsorption of Vat Brown16 Dye on ZnO and Nano-ZnO was exothermic, the positive values of ?S reflects good affinity of Vat Brown16 Dye towards ZnO and Nano-ZnO. The results have established good potentiality for Nano-ZnO particles to remove the polutant dye from the water better than ZnO particles.


Cite this article:
Barakat A. F. Kamel, Amel S. Mahdi, Athraa A. Ahmed, Dina A. Ali and Kafi M. Dawood. Adsorption Isotherms, Kinetics and the Rmodynamic studies of Vat Brown 16 Dye using ZnO and Nano-ZnO Particles. Research J. Pharm. and Tech 2018; 11(9): 3998-4002. doi: 10.5958/0974-360X.2018.00735.7


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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