Background: usethebentonite ,narang leaves and corn seeds as adsorbent surface for the removal of one of
dyes from wastewater was studied.
Objective: The adsorption of methylene blue from aqueous solution are investigate on three adsorbents
Method : UV- Spectrophotometric technique to obtained the quantities of adsorption data at
Different of temperatures (37 , 32 ᵒc) and at pH=1.2in an attempt to simulate the acidity of gastric fluid.
Results: The quantities adsorbed of methylene blue on bentonite ,narang leaves and corn seeds were increased
at 37 cᵒ.Adsorption characteristics were described using frundlich isotherm.
Conclusion: The adsorption process has been foundthe value of ΔGᵒshowed the spontaneous nature of
adsorption for three adsorbents and endothermic in nature and thermodynamicParameters, Gibb’s free energy
(ΔG◦), change in enthalpy (ΔH◦) and change in Entropy (ΔS◦) have been calculated.
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2018
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