Journal of Chemistry

Journal of Chemistry / 2008 / Article

Open Access

Volume 5 |Article ID 610503 |

A. Edwin Vasu, "Surface Modification of Activated Carbon for Enhancement of Nickel(II) Adsorption", Journal of Chemistry, vol. 5, Article ID 610503, 6 pages, 2008.

Surface Modification of Activated Carbon for Enhancement of Nickel(II) Adsorption

Received09 Feb 2008
Accepted05 Apr 2008


A carbon prepared from coconut shells by simple carbonization was oxidized with different oxidizing agents, namely, hydrogen peroxide, ammonium persulphate and nitric acid. The surfaces of the unoxidized and oxidized carbons were characterized by Boehm and potentiometric titrations and IR spectra. The carbon materials prepared were tested for their ability to remove Ni(II) ions from aqueous solutions by batch mode adsorption experiments. Oxidations increased the surface acidic groups on the carbon which resulted in increased affinity of the carbon towards Ni(II).

Copyright © 2008 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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