alexa Equilibrium and Thermodynamics Studies on the Removal o
e-ISSN: 2319-9849

Research & Reviews: Journal of Chemistry
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Research Article

Equilibrium and Thermodynamics Studies on the Removal of Iron (III) Onto Activated Pistia Stratiotes Leaves Nano Carbon

S Arivoli*, V Marimuthu and T Rose Judith

Department of Chemistry, Thiru. Vi. Ka. Government Arts College, Thiruvarur, Tamil Nadu, India

*Corresponding Author:
S Arivoli
Department of Chemistry, Thiru. Vi. Ka.
Government Arts College, Thiruvarur, Tamil Nadu, India

Received: 28/09/2013; Revised: 19/11/2013; Accepted: 21/11/2013

 

Abstract

The present study is on adsorption of Fe (III) ions by Activated Pistia Stratiotes Leaves Nano Carbon. It uses batch adsorption techniques. The influence of contact time, initial concentration, dosage of adsorbent and effect of solution pH were investigated. The isotherm studies of RL values showed that the adsorption process was favorable. Thermodynamic parameters such as ΔH0, ΔS0 and ΔG0 were evaluated. The data indicate that, the adsorption was spontaneous and is an endothermic nature. Adsorption kinetics was tested with pseudo- second –order, Elovich model and intra – particle diffusion models. Kinetic studies indicate an adsorption pseudo – second –order reaction. This study shows that intra – particles played a major role in the adsorption of Fe (III) ions mechanism. The Activated Pistia Stratiotes Leaves Nano Carbon has high adsorption capacity and adsorption rate for the removal of Fe (III) ions from aqueous solution.

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