Journal of Chemistry

Journal of Chemistry / 2012 / Article

Open Access

Volume 9 |Article ID 383742 |

Juan Carlos Moreno-Piraján, Liliana Giraldo, "Heavy Metal Ions Adsorption from Wastewater Using Activated Carbon from Orange Peel", Journal of Chemistry, vol. 9, Article ID 383742, 12 pages, 2012.

Heavy Metal Ions Adsorption from Wastewater Using Activated Carbon from Orange Peel

Received13 May 2011
Accepted05 Jun 2011


Activated carbon obtained from orange peel (ACOP) was synthesized and used for the removal of heavy metal ions (Cr, Cd, and Co) from aqueous solutions. Two different adsorption models were used for analyzing data. Adsorption capacities were determined: copper ions exhibit the greatest adsorption on activated carbon orange peel because of its size and pH conditions. Adsorption capacity varies as a function of pH. Adsorption isotherms from aqueous solution of heavy metals on ACOP were determined. Adsorption isotherms are consistent with Langmuir's adsorption model. Adsorbent quantity and immersion enthalpy were studied.

Copyright © 2012 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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