KAGAKU KOGAKU RONBUNSHU
Online ISSN : 1349-9203
Print ISSN : 0386-216X
ISSN-L : 0386-216X
Mass Transfer from Slurry Adsorbent to Ion Exchange Resin
Hisao TakaseYoshihide Yoshimura
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1989 Volume 15 Issue 3 Pages 552-558

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Abstract

An analysis and experiments were made on the separation and concentration of uranium from the slurry adsorbent used for recovery of uranium from seawater in a system where adsorption and desorption occur simultaneously. Concentration of the adsorbate was carried out by direct contact of ion exchange resin with the eluting solution containing the adsorbent. By the use of different equilibrium relations for the slurry and the ion exchange resin, the adsorbate was concentrated in the ion exchange resin, and the amount used of the eluting agent could be reduced.
Meterial balance equations for an agitated vessel were derived for a linear equilibrium system. The calculated results were in fairly good agreement with the experimental values assuming the mass transfer coefficient for the ion exchange resin to be 0.286 times that in an aqueous solution. This may be attributed to an influence induced by the presence of titanium oxide slurry adsorbent.

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© by THE SOCIETY OF CHEMICAL ENGINEERS, JAPAN
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