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Vol. 26 No. 9 (2014): Vol 26 Issue 9

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Mechanistic and Characterization Studies for Sorptive Elimination of Emerald Green Dye from Water By Arachis hypogeal Shells and Citrullus lanatus Peels

https://doi.org/10.14233/ajchem.2014.15796
Rabia Rehman
Institute of Chemistry, University of the Punjab, Lahore-54590, Pakistan
Abeera Shareef
Institute of Chemistry, University of the Punjab, Lahore-54590, Pakistan

Corresponding Author(s) : Rabia Rehman

grinorganic@yahoo.com

Asian Journal of Chemistry, Vol. 26 No. 9 (2014): Vol 26 Issue 9

Abstract

Emerald green dye adsorption by Arachis hypogeal shells and Citrullus lanatus peels has been investigated in this study. Characterization of adsorbents by measuring pH, bulk density, pHpzc, porosity, iodine number, moisture contents, ash contents, elemental contents, carboxylic (acidic functions), phenolic, lactonic and basic sites were conducted.The adsorption process was done in a batch process by varying contact time intervals, adsorbent doses, different initial pH, agitation speed and temperature. The suitability of the data was confirmed by determining isothermal parameters, which showed that sorption capacity of Citrullus lanatus peels for Emerald green dye is 2.099 mg g-1 with DG0 -2.785 KJ mol-1 and it is better adsorbent as compared to Arachis hypogeal shells, which adsorbs only 1.989 mg g-1 of dye with DG0 -1.432 KJ mol-1. Both of them can be used on larger scale water treatment for removing Emerald green dye.

Keywords

Citrullus lanatus peels Arachis hypogeal shells Adsorption Emerald green dye Adsorption isotherms
Rehman, R., & Shareef, A. (2014). Mechanistic and Characterization Studies for Sorptive Elimination of Emerald Green Dye from Water By Arachis hypogeal Shells and Citrullus lanatus Peels. Asian Journal of Chemistry, 26(9), 2671–2676. https://doi.org/10.14233/ajchem.2014.15796
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