Published February 1980 | Version v1
Journal article Metadata-only

A comparative study of kinetic models for the extraction of uranium by strong-base anion-exchange resins

Creators

  • 1. National Inst. for Metallurgy, Johannesburg (South Africa)

Description

This paper examines the kinetics of the extraction of uranium from acid sulphate solutions by strong-base anion-exchange resins. Parameters such as the concentration of uranium in solution, the agitation of the resin beads in solution, the size of the resin beads, and the degree of cross-linking within the resin matrix were varied, and the effects on the kinetics are reported. The applicability of various empirical kinetic models to the description of the data is assessed, and an attempt is made at the modelling of the rate data in terms of established theories about the diffusion of ions through films of stagnant liquid and through spherical beads of resin

Abstract (Afrikaans)

Hierdie referaat ondersoek die kinetika van die ekstraksie van uraan uit suur sulfaatoplossings met sterkbasis-anioonruilharse. Parameters soos die konsentrasie van uraan in oplossing, die roering van die harsperels in die oplossing, die grootte van die harsperels en die mate van kruisbinding binne die harsmatriks is gevarieer en daar word verslag gedoen oor die uitwerking daarvan op die kinetika. Die toepaslikheid van verskillende empiriese kinetiese modelle op die beskrywing van die data word geevalueer en daar word gepoog om 'n model van die data oor die tempo op te stel in terme van bestaande teoriee oor die diffusie van ione deur lae stagnante vloeistof en deur bolvormige harsperels

Additional details

Publishing Information

Journal Title
J. S. Afr. Inst. Min. Metall.
Journal Volume
80
Journal Issue
2
Series
J. S. Afr. Inst. Min. Metall.
Journal Page Range
89-99
ISSN
0038-223X

INIS

Country of Publication
South Africa
Country of Input or Organization
South Africa
INIS RN
11530734
Subject category
S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
CROSS-LINKING; DIFFUSION; EXPERIMENTAL DATA; EXTRACTIVE METALLURGY; GRAPHS; ION EXCHANGE CHROMATOGRAPHY; KINETICS; MASS TRANSFER; PARTICLE SIZE; RESINS; SOLVENT EXTRACTION; TABLES; URANIUM
Descriptors DEC
ACTINIDES; CHEMICAL REACTIONS; CHROMATOGRAPHY; DATA; DATA FORMS; ELEMENTS; INFORMATION; METALLURGY; METALS; NUMERICAL DATA; ORGANIC COMPOUNDS; ORGANIC POLYMERS; POLYMERIZATION; POLYMERS; SEPARATION PROCESSES; SIZE