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Vol. 29 No. 3 (2017): Vol 29 Issue 3

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Adsorption of Fe3+ Ion from Aqueous Solution by Activated Carbon Prepared from Leucas aspera: Thermodynamic, Kinetic and Equilibrium Approach

https://doi.org/10.14233/ajchem.2017.20276
A. Venkatesan
R&D Center, Department of Chemistry, Bharathiar University, Coimbatore-641 046, India
N. Ramalakshmi
Department of Chemistry, Presidency College, Chennai-600 005, India
G. Vidhya
Department of Chemistry, Vivekanandha Arts and Science College for Women, Sankari-637 303, India

Corresponding Author(s) : N. Ramalakshmi

rrama_subhar@yahoo.co.in

Asian Journal of Chemistry, Vol. 29 No. 3 (2017): Vol 29 Issue 3

Abstract

The adsorption process using low cost adsorbent carbon prepared from useless agricultural plant is very potential method to removing both organic and inorganic pollutants especially heavy metals. The present study reports the removal of iron(III) ions from contaminated aqueous solution by using roots and leaves of Leucas aspera. The adsorption process is also affected by various factors like temperature, contact time, adsorbent dosage and pH of the solution. The fitness of present study is also confirmed by verifying of Feundlich isotherm and Langmuir isotherm. The feasibility and nature of the process is also confirmed by thermodynamic parameters like DG, DH and DS. And also calculate kinetic parameters verifying by pseudo-second order kinetics, Elovich model and intra-particle diffusion model. Finally, the adsorption process is confirmed by FT-IR, XRD of before and after adsorption process of adsorbent.

Keywords

Iron Leucas aspera Adsorption Thermodynamic Kinetic parameters
Venkatesan, A., Ramalakshmi, N., & Vidhya, G. (2016). Adsorption of Fe3+ Ion from Aqueous Solution by Activated Carbon Prepared from Leucas aspera: Thermodynamic, Kinetic and Equilibrium Approach. Asian Journal of Chemistry, 29(3), 617–622. https://doi.org/10.14233/ajchem.2017.20276
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