Effect of temperature on the extraction of nitric acid and plutonium(IV) nitrate with 30 vol% tributyl phosphate (TBP)
Journal Article
·
· Solvent Extr. Ion Exch.; (United States)
The author's own and published data were evaluated for characterizing the effect of temperature on the distribution of nitric acid and plutonium(IV). The solutes were distributed between 30 vol% TBP in an aliphatic diluent and aqueous solutions containing nitric acid and zero to macro amounts of plutonium(IV) and uranyl nitrates. The temperature dependence of the distribution ratios is described with empirical model equations and examples of the dependence in the absence and presence of uranium(VI) are given. Taking infinite dilution of all solutes of the system as a standard state, the enthalpy change of the extraction reaction could be estimated as -17 kJ/mol for nitric acid, but no numerical estimate was possible for plutonium(IV).
- Research Organization:
- Nuclear Research Center, Karlsruhe, West Germany
- OSTI ID:
- 6389582
- Journal Information:
- Solvent Extr. Ion Exch.; (United States), Journal Name: Solvent Extr. Ion Exch.; (United States) Vol. 2:4-5; ISSN SEIED
- Country of Publication:
- United States
- Language:
- English
Similar Records
Extraction of uranium(IV,VI), plutonium(III) and nitric acid by 30% tributyl phosphate (TBP) in dodecane
Reduction of uranium (VI) to uranium (IV) by hydrazine in an aqueous nitric acid-30% tri-n-butyl phosphate (TBP) volume emulsion
CHARACTERISTICS OF INTRAPHASE EQUILIBRIUM IN URANYL NITRATE EXTRACTION BY ORGANIC PHOSPHORUS DERIVATIVES CONSIDERING ACTIVITY COEFFICIENTS OF ORGANIC PHASE COMPONENTS. II. EXTRACTION OF URANYL NITRATES BY A MIXTURE OF TRIBUTYL PHOSPHATE WITH DILUENT
Journal Article
·
Sat Dec 31 23:00:00 EST 1983
· Solvent Extr. Ion Exch.; (United States)
·
OSTI ID:6389588
Reduction of uranium (VI) to uranium (IV) by hydrazine in an aqueous nitric acid-30% tri-n-butyl phosphate (TBP) volume emulsion
Journal Article
·
Tue Sep 01 00:00:00 EDT 1987
· Sov. Radiochem. (Engl. Transl.); (United States)
·
OSTI ID:5431326
CHARACTERISTICS OF INTRAPHASE EQUILIBRIUM IN URANYL NITRATE EXTRACTION BY ORGANIC PHOSPHORUS DERIVATIVES CONSIDERING ACTIVITY COEFFICIENTS OF ORGANIC PHASE COMPONENTS. II. EXTRACTION OF URANYL NITRATES BY A MIXTURE OF TRIBUTYL PHOSPHATE WITH DILUENT
Journal Article
·
Mon Dec 31 23:00:00 EST 1962
· Radiokhimya
·
OSTI ID:4087086
Related Subjects
052001 -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ACTINIDES
AQUEOUS SOLUTIONS
DATA
DISPERSIONS
ELEMENTS
EVALUATED DATA
EXTRACTION
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
MATHEMATICAL MODELS
METALS
MIXTURES
NITRIC ACID
NUMERICAL DATA
PLUTONIUM
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
TEMPERATURE EFFECTS
TRANSURANIUM ELEMENTS
URANIUM
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ACTINIDES
AQUEOUS SOLUTIONS
DATA
DISPERSIONS
ELEMENTS
EVALUATED DATA
EXTRACTION
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
MATHEMATICAL MODELS
METALS
MIXTURES
NITRIC ACID
NUMERICAL DATA
PLUTONIUM
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
TEMPERATURE EFFECTS
TRANSURANIUM ELEMENTS
URANIUM