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European Journal of Environmental Ecology

Volume 10, Issue 1, 2023
Mcmed International
European Journal of Environmental Ecology
Issn
XXX-XXXX (Print), 2393 - 9672 (Online)
Frequency
bi-annual
Email
editorejee@mcmed.us
Journal Home page
http://mcmed.us/about/ejee
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Abstract
Title
MECHANISTIC STUDIES OF COPPER (II) ION ADSORPTION ON ACTIVATED PONGAMIA PINNATA SHELL NANO CARBON
Author
S Arivoli1*, V Marimuthu1, C Vijayaraj1 and M.Hema2
Email
arivu3636@yahoo.com
keyword
Acid Activated Pongamia pinnata Shell Nano Carbon (APPSNC), copper (II) ion, Adsorption isotherm, Equilibrium, Thermodynamic parameters, Intra-particle diffusion.
Abstract
An adsorbent prepared from Pongamia pinnata Shell, by acid treatment was tested for its efficiency in removing copper ion. The process parameters studied include agitation time, initial copper (II) ion concentration, adsorbent dose, pH and temperature. The adsorption followed second order reaction equation and the rate is mainly controlled by intra-particle diffusion. Freundlich and Langmuir isotherm models were applied to the equilibrium data. The adsorption capacity (Qm) obtained from the Langmuir isotherm plot at an initial pH of 6.5 and at 30, 40, 50, 60 ± 0.5 0C. The influence of pH on copper (II) ion removal was significant and the adsorption was increased with increase in temperature. A portion of the copper (II) ion was recovered from the spent APPSNC using 0.1M HCl.
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