Volume No. 9 Issue No.: 2 Page No.: 293-297 October-December 201

 

ADSORPTION STUDIES OF COBALT IONS ON SURF- ACE MODIFIED GRANULAR ACTIVATED CARBON

 

Gunjate Jitendra K.*, Gholse Suresh B.1 and Khope Ramdas U.2

1. Department of Chemistry, Laxminarayan Institute of Technology, Nagpur University, Nagpur (INDIA) 2. Department of Chemistry, Shivaji Science College, Congress Nagar, Nagpur (INDIA)

 

Received on : August 14, 2014

 

ABSTRACT

 

In this study, removal of cobalt ions from aqueous solution by adsorption was investigated. For this purpose the surface modification of granular activated carbon was achieved by using 2- Hydroxy-5-methoxy benzoic acid and 3-Nitro aniline at constant temperature 25 1oC . The adsorption isotherms of cobalt on Granular Activated Carbon (GAC) have been determined and the data were fitted better to the Langmuir and Freundlich isotherm model indicating favorable and monolayer adsorption. The results indicated that GAC in combination with organic ligand could function very effectively in the removal of the cobalt ions from aqueous solution.

 

Keywords : Cobalt, Granular Activated Carbon (GAC), 2-Hydroxy-5-methoxy benzoic acid, 3-Nitro aniline, Filtrasorb 816 (F-816)

 

 

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