Sorption of uranium(VI) ions from hydrochloric acid and ammonium chloride solutions by anion exchangers

Journal Article · Fri Jan 01 04:00:00 EST 1988 · Sov. Radiochem. (Engl. Transl.); (United States)

OSTI ID:7229486

Pakholkov, V S; Denisova, L A; Rychkov, V N; Kurnosenko, N A

The sorption of macroscopic quantities of uranium from solutions of UO/sub 2/Cl/sub 2/ containing HCl and NH/sub 4/Cl in concentrations from 0.0 to 6.0 M by the AV-17 x 8, AV-16G, EDE-10P, AN-31, AN-2F, AN22, and AN-251 anion exchangers has been investigated under static conditions. The sorption isotherms are described by an equation similar to Freundlich's equation: K/sub d/ = K tilde x C/sub eq/sup 1/z/ or log K/sub d/ = log K tilde + 1/z x log C/sub eq/. Equations describing the dependence of the sorbability (or K/sub d/) on the equilibrium concentration of uranium in the solution have been obtained with the aid of the least-squares method. Conclusions regarding the chemistry of the exchange of uranium ions on anion exchangers in chloride solutions have been drawn on the basis of the UV spectra of the original solutions and the IR spectra of the ion exchangers obtained in this work, as well as the established general laws governing sorption.

• OSTI ID: 7229486
• Journal Information: Sov. Radiochem. (Engl. Transl.); (United States), Journal Name: Sov. Radiochem. (Engl. Transl.); (United States) Vol. 29:3; ISSN SVRDA
• Country of Publication: United States
• Language: English

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ACTINIDE COMPOUNDS
ADSORBENTS
ADSORPTION
ADSORPTION ISOTHERMS
AMINES
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
ANIONS
CHARGED PARTICLES
CHLORIDES
CHLORINE COMPOUNDS
COMPARATIVE EVALUATIONS
EQUILIBRIUM
HALIDES
HALOGEN COMPOUNDS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INORGANIC ACIDS
ION EXCHANGE
ION EXCHANGE MATERIALS
IONS
ISOTHERMS
LEAST SQUARE FIT
MATERIALS
MAXIMUM-LIKELIHOOD FIT
NUMERICAL SOLUTION
ORGANIC COMPOUNDS
ORGANIC ION EXCHANGERS
QUANTITY RATIO
QUATERNARY COMPOUNDS
SORPTION
SORPTIVE PROPERTIES
SPECTRA
SURFACE PROPERTIES
ULTRAVIOLET SPECTRA
URANIUM COMPOUNDS
URANYL CHLORIDES
URANYL COMPOUNDS
VALENCE