Abstract
In this article, calix[4]arene ketone derivative was used as a carrier to transport Hg2+ ions from an aqueous solution into an aqueous receiving solution. The kinetic parameters (k 1, k 2, R m max, t max, J d max, J a max) were investigated with influence of temperature, the solvent, and stirring rate and analyzed in the formation of two consecutive, irreversible first order reactions. The membrane entrance rate, k 1, and the membrane exit rate, k 2, constants were increased with temperature and stirring rate and found to be dependent on the solvent type in the order CH2Cl2 > CHCl3 > CCl4. The activation energy was obtained as 5.28 kcal/mol from the slope of the Arrhenius plot for the case of maximum membrane exit flux, J a max. This value indicates that the process is controlled by species diffusion.
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