Solvent extraction of heptavalent technetium and rhenium by tributyl phosphate. Consolidated Fuel Reprocessing Program and Basic Energy Sciences Programs [electronic resource]
The literature pertaining to the solvent extraction of heptavalent technetium and rhenium from aqueous solution by tributyl phosphate (TBP) has been compiled, critically evaluated, and supplemented with new data in some areas. The effects of adding mineral acids, alkali metal nitrates, alkali metal...
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Online Access (via OSTI) |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Oak Ridge, Tenn. : Oak Ridge, Tenn. :
Oak Ridge National Laboratory. ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1984.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Solvent extraction of heptavalent technetium and rhenium by tributyl phosphate. Consolidated Fuel Reprocessing Program and Basic Energy Sciences Programs |h [electronic resource] |
| 260 | |a Oak Ridge, Tenn. : |b Oak Ridge National Laboratory. ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1984. | ||
| 300 | |a Pages: 97 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 12/01/1984. | ||
| 500 | |a "ornl/tm-8668" | ||
| 500 | |a "DE85004948" | ||
| 500 | |a Pruett, D.J. | ||
| 520 | 3 | |a The literature pertaining to the solvent extraction of heptavalent technetium and rhenium from aqueous solution by tributyl phosphate (TBP) has been compiled, critically evaluated, and supplemented with new data in some areas. The effects of adding mineral acids, alkali metal nitrates, alkali metal chlorides, uranyl nitrate, thorium nitrate, and plutonium(IV) nitrate to these systems were also examined. Discussions of the possible nature of the organic-phase complexes are presented, along with values of ..delta..G, ..delta..H, ..delta..S, and the equilibrium constant for the extraction reaction in several systems. Mathematical models correlating the distribution behavior over a wide range of conditions were also developed. Equations are given for calculating the distribution coefficients for the extraction of Re(VII) or Tc(VII) from 0.2 to 4 M HCl by 0.339 to 2.90 M TBP at 298 to 333/sup 0/K. Equations are given for calculating the distribution coefficients under the same conditions, but with HNO/sub 3/ (instead of HCl) present in the aqueous phase. 28 references, 27 figures, 3 tables. | |
| 536 | |b AC05-84OR21400. | ||
| 650 | 7 | |a Rhenium. |2 local. | |
| 650 | 7 | |a Solvent Extraction. |2 local. | |
| 650 | 7 | |a Technetium. |2 local. | |
| 650 | 7 | |a Data Compilation. |2 local. | |
| 650 | 7 | |a Distribution Functions. |2 local. | |
| 650 | 7 | |a Enthalpy. |2 local. | |
| 650 | 7 | |a Entropy. |2 local. | |
| 650 | 7 | |a Experimental Data. |2 local. | |
| 650 | 7 | |a Free Enthalpy. |2 local. | |
| 650 | 7 | |a Hydrochloric Acid. |2 local. | |
| 650 | 7 | |a Nitric Acid. |2 local. | |
| 650 | 7 | |a Rhenium Complexes. |2 local. | |
| 650 | 7 | |a Tbp. |2 local. | |
| 650 | 7 | |a Technetium Complexes. |2 local. | |
| 650 | 7 | |a Temperature Dependence. |2 local. | |
| 650 | 7 | |a Butyl Phosphates. |2 local. | |
| 650 | 7 | |a Complexes. |2 local. | |
| 650 | 7 | |a Data. |2 local. | |
| 650 | 7 | |a Elements. |2 local. | |
| 650 | 7 | |a Energy. |2 local. | |
| 650 | 7 | |a Esters. |2 local. | |
| 650 | 7 | |a Extraction. |2 local. | |
| 650 | 7 | |a Functions. |2 local. | |
| 650 | 7 | |a Hydrogen Compounds. |2 local. | |
| 650 | 7 | |a Information. |2 local. | |
| 650 | 7 | |a Inorganic Acids. |2 local. | |
| 650 | 7 | |a Metals. |2 local. | |
| 650 | 7 | |a Numerical Data. |2 local. | |
| 650 | 7 | |a Organic Compounds. |2 local. | |
| 650 | 7 | |a Organic Phosphorus Compounds. |2 local. | |
| 650 | 7 | |a Phosphoric Acid Esters. |2 local. | |
| 650 | 7 | |a Physical Properties. |2 local. | |
| 650 | 7 | |a Separation Processes. |2 local. | |
| 650 | 7 | |a Thermodynamic Properties. |2 local. | |
| 650 | 7 | |a Transition Element Complexes. |2 local. | |
| 650 | 7 | |a Transition Elements. |2 local. | |
| 650 | 7 | |a Nuclear Fuel Cycle And Fuel Materials. |2 edbsc. | |
| 650 | 7 | |a Inorganic, Organic, Physical And Analytical Chemistry. |2 edbsc. | |
| 710 | 2 | |a Oak Ridge National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/6271821 |z Online Access (via OSTI) |
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