Thermodynamics sorption of complex of cerium ions on the anion exchanger
About authors
- 1 — post-graduate student National Mineral Resources University (Mining University)
- 2 — Ph.D., Dr.Sci. associate professor National Mineral Resources University (Mining University)
- 3 — Ph.D., Dr.Sci. professor National Mineral Resources University (Mining University)
Abstract
Sorption isotherms was obtained in the form sulfate complex of cerium on the anion exchanger D-403 at a temperature of 298 K and pH = 2÷4 in the presence of various concentrations of magnesium sulfate. Thermodynamic description of the sorption isotherm sulfate complexes of cerium by the method, which based on linearization of the equations of the law of mass action modifed for the reaction of ion exchange. The values of the apparent constants of ion exchange and differential Gibbs energy calculated for the ions of Ce(SO 4 )-2 .
Область исследования:
(Archived) Metallurgy, physical and chemical regularities of technological processes
Keywords:
sorption
anion exchanger D-403
sulfate solutions
disulfatotserrat ion
a modification of the equation of the law of mass action
ion-exchange equilibrium
Funding:
None
References
- Volkova N., Klyucharyov D., Comyn M. Problems of using non-traditional rare-metal minerals // First all-Russian scientific-practical conference «Prospects of mining production and application of rare earth» 26-27 September 2011. Moscow. 2011. 141 p.
- Dibrov I.A., Chirkst D.E., Litvinova T.E. Thermo-dynamic modeling of the extraction of cerium (III) from sulphate solutions of quaternary ammonium base // Journal of Applied Chemistry. 2002. Vol.75. Issue 2. P.197-201.
- Lurie Y. Analytical chemistry of industrial wastewater. Moscow, 1984. 448 p.
- Sawin S. Arsenazo (III). Moscow, 1966. 175 p.
- Chistyakov A.A., Chirks D.E., Cheremisina O.V. Sorption of aluminate from alkaline solutions on the anion exchanger D-403 // Journal of physical chemistry. 2011. Vol.85. Issue 11. P.2137-2142.
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