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Mu. Naushad

Mu. Naushad

King Saud University, Saudi Arabia

Title: Adsorption kinetics, isotherms and thermodynamic studies for Hg2+ adsorption from aqueous medium using alizarin red-S loaded amberlite IRA-400 resin

Biography

Biography: Mu. Naushad

Abstract

Alizarin red-S modified amberlite IRA-400 resin (ARSA) was applied for Hg2+ removal from the aqueous medium which is highly toxic metal ion. The adsorption process which was pH dependent, showed maximum adsorption of Hg2+ in the pH range 6 to 8. ARSA exhibited good monolayer adsorption capacity for Hg2+ (303.03 mg g-1) at 25 C and the isotherm was well fitted by the Langmuir model. Moreover, the adsorption was evaluated thermodynamically and the negative values of ∆Go revealed the spontaneity of adsorption process. The practical applicability of ARSA was explored for the adsorption of Hg2+ metal ion from a real water sample. The values of ΔH and ΔS were found 79.87 kJ mol-1 and 0.26 J mol-1 K-1, respectively.