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IJCT Vol.14(4) [July 2007] >


Title: Recovery of metal ion from micellar solution
Authors: Gawale, Rahul
Marathe, K V
Keywords: Ion exchange resins
Adsorption
Effective diffusivity
Cobalt recovery
Issue Date: Jul-2007
Publisher: CSIR
IPC CodeC02F1/42; C22B3/42
Abstract: Separation of cobalt (II) from micellar (surfactant) solution was carried out by using strongly acidic cation exchange resin Indion 225H and chelating resin Duolite C467. The equilibrium data obtained in this study fits in Langmuir adsorption isotherm for Indion 225H resin and Freundlich adsorption isotherm for Duolite C467 resin. The effect of pH, temperature and feed concentration on the adsorption capacity of the resins was studied. For both the resins, diffusion of cobalt in the resin phase is a rate controlling step. The dynamic behaviour of the adsorption column was also modeled using equilibrium and kinetic data. Column studies were simulated by using linear driving force model. Desorption of cobalt from chelating resin was easier than strongly acidic cation exchange resin.
Page(s): 362-370
ISSN: 0971–457X
Source:IJCT Vol.14(4) [July 2007]

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