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INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH

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IJPR included in UGC-Approved List of Journals - Ref. No. is SL. No. 4812 & J. No. 63703

Published by : Advanced Scientific Research
ISSN
0975-2366
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IJPR 9[3] July - September 2017 Special Issue

July - September 9[3] 2017

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Preparation and characterization of low cost adsorbents for the remove of methylene blue dye from aqueous solution by using adsorption technology

Author: MUSTAFA MOHAMMED, AMINA M. ABASS
Abstract: In this study, the potential of eggplant powder was investigated to remove the methylene blue (MB) dye from an aqueous solution by adsorption method on the surface of eggplant powder, as it is Low Cost and widely available, the studies were conducted at several parameters such as equilibrium time, absorbed dose, initial dye concentrations and temperatures were studied to monitor their effects on the dye adsorption process. The optimum conditions for MB absorption on adsorbents (EP) were found as: equilibrium time (30 minutes),different temperatures for an initial dye concentration of 24mg / L, an absorbed dose of 0.05g , The results also showed that the increase in temperatures led to a decrease in the adsorption efficiency, and two models of adsorption isotherms were selected, which are Langmuir and Freundlich, The results indicated the large conformity of the Freundlich model, Thermodynamic functions were calculated for the adsorption process, including entropy, enthalpy, and Gibbs free energy, The (?H) obtained negative value that indicated adsorption of MB dye was an exothermic process while (?G)values were negative which indicated that adsorption of MB dye was a spontaneous process
Keyword: Adsorption, Methylene blue dye, Langmuir model, Freundlichmodel, ThermodynamicFunction, Eggplant powder
DOI: https://doi.org/10.31838/ijpr/2020.12.02.0155
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0.12
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