S S, Amritphale and Nitish, Gupta and Dr., Navin Chandra (2009) Removal of lead from aqueous solution by hybrid precursor prepared by rice hull. Journal of the Hazardous Materials, 163. pp. 1194-1198. ISSN 2164-6325

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Use of low-cost hybrid precursor, prepared from rice hull has been studied as a sorbent for the removal of Pb(2+) from aqueous solutions. Effect of contact time, initial concentration, pH and temperature has been studied. The effect of temperature (30, 40, 50 and 60 degrees C) on adsorption phenomena has been studied and data have been analyzed using Langmuir isotherm. The change in enthalpy (Delta H) (-14.6179 kJ/mol), free energy (Delta G) and entropy (DeltaS) has also been evaluated. The negative values of Delta G and Delta H indicate the adsorption of lead ions on the surface of hybrid precursor to be spontaneous and exothermic under the experimental condition

Item Type: Article
Subjects: CSIR-800 > Environmental Studies/Chemistry
Depositing User: Mr. B.K. Prasad
Date Deposited: 08 Aug 2013 12:51
Last Modified: 08 Aug 2013 12:51
URI: http://ampri.csircentral.net/id/eprint/270

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