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170215e19860101||| ot f0|||||eng|d |
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|a (TOE)ost6194259
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|a (TOE)6194259
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|a TOE
|c TOE
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|a GDWR
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|a 11
|2 edbsc
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|a 37
|2 edbsc
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| 086 |
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|a E 1.99:ornl/tm-9755
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|a E 1.99:ornl/tm-9755
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| 088 |
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|a ornl/tm-9755
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| 245 |
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|a Assessment of photochemical applications to specific stages in Savannah River Plant actinide reprocessing streams
|h [electronic resource]
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| 260 |
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|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 1986.
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| 300 |
|
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|a Pages: 27 :
|b digital, PDF file.
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| 336 |
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|a text
|b txt
|2 rdacontent.
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| 337 |
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|a computer
|b c
|2 rdamedia.
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| 338 |
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|a online resource
|b cr
|2 rdacarrier.
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| 500 |
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|a Published through SciTech Connect.
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| 500 |
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|a 01/01/1986.
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| 500 |
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|a "ornl/tm-9755"
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| 500 |
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|a "DE86005371"
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| 500 |
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|a Toth, L.M.; Bell, J.T.; Mailen, J.C.; Dodson, K.E.
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| 520 |
3 |
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|a The application of photochemical redox methods has been evaluated as a means of separating actinides in Purex reprocessing streams. This chemistry promises to eliminate many of the chemical reagents which are otherwise necessary to effect valence control of such actinides as plutonium and neptunium. The most promising processing stages of the Savannah River Plant reprocessing facility for feasibility testing of the photochemical method appear to be those in which the concentrations of the actinides in question are the lowest, thus minimizing the required amount of absorbed light. Although neptunium valence control appears to be feasible through the photochemical generation of nitrite ion, the urgency for its control is secondary to that of plutonium. Therefore, the Purex ''2nd-U-cycle feed'' stage has been selected as the top priority for testing the photochemical technique. The chemistry initially involves the photoreduction of U(VI) to U(IV), which in turn reduces Pu(IV) to Pu(III). The results of preliminary experiments on nitrate ion and uranyl ion photoreduction are also given. With less than 100 W of absorbed power, the rates of NO/sub 2//sup -/ and U/sup 4 +/ generation, respectively, appear ample to handle process requirements. 14 refs., 3 figs., 5 tabs.
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| 536 |
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|b AC05-84OR21400.
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| 650 |
|
7 |
|a Butanols.
|2 local.
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| 650 |
|
7 |
|a Photochemical Reactions.
|2 local.
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| 650 |
|
7 |
|a Ethanol.
|2 local.
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| 650 |
|
7 |
|a Hydrazine.
|2 local.
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| 650 |
|
7 |
|a Hydroxylamine.
|2 local.
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| 650 |
|
7 |
|a Methanol.
|2 local.
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| 650 |
|
7 |
|a Plutonium.
|2 local.
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| 650 |
|
7 |
|a Reduction.
|2 local.
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| 650 |
|
7 |
|a Purex Process.
|2 local.
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| 650 |
|
7 |
|a Uranyl Nitrates.
|2 local.
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| 650 |
|
7 |
|a Experimental Data.
|2 local.
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| 650 |
|
7 |
|a Flowsheets.
|2 local.
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| 650 |
|
7 |
|a Nitric Acid.
|2 local.
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| 650 |
|
7 |
|a Photochemistry.
|2 local.
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| 650 |
|
7 |
|a Photolysis.
|2 local.
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| 650 |
|
7 |
|a Redox Reactions.
|2 local.
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| 650 |
|
7 |
|a Separation Processes.
|2 local.
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| 650 |
|
7 |
|a Actinide Compounds.
|2 local.
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| 650 |
|
7 |
|a Actinides.
|2 local.
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| 650 |
|
7 |
|a Alcohols.
|2 local.
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| 650 |
|
7 |
|a Amines.
|2 local.
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| 650 |
|
7 |
|a Chemical Reactions.
|2 local.
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| 650 |
|
7 |
|a Chemistry.
|2 local.
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| 650 |
|
7 |
|a Data.
|2 local.
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| 650 |
|
7 |
|a Decomposition.
|2 local.
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| 650 |
|
7 |
|a Diagrams.
|2 local.
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| 650 |
|
7 |
|a Elements.
|2 local.
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| 650 |
|
7 |
|a Hydrogen Compounds.
|2 local.
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| 650 |
|
7 |
|a Hydroxy Compounds.
|2 local.
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| 650 |
|
7 |
|a Information.
|2 local.
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| 650 |
|
7 |
|a Inorganic Acids.
|2 local.
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| 650 |
|
7 |
|a Metals.
|2 local.
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| 650 |
|
7 |
|a Nitrates.
|2 local.
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| 650 |
|
7 |
|a Nitrogen Compounds.
|2 local.
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| 650 |
|
7 |
|a Numerical Data.
|2 local.
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| 650 |
|
7 |
|a Organic Compounds.
|2 local.
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| 650 |
|
7 |
|a Oxygen Compounds.
|2 local.
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| 650 |
|
7 |
|a Reprocessing.
|2 local.
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| 650 |
|
7 |
|a Transuranium Elements.
|2 local.
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| 650 |
|
7 |
|a Uranium Compounds.
|2 local.
|
| 650 |
|
7 |
|a Uranyl Compounds.
|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/6194259
|z Online Access (via OSTI)
|
| 907 |
|
|
|a .b90527550
|b 03-09-23
|c 02-15-17
|
| 998 |
|
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|a web
|b 02-15-17
|c f
|d m
|e p
|f eng
|g
|h 0
|i 1
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| 956 |
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|a Information bridge
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| 999 |
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|s 281df1d4-9a5e-597d-8612-bb52807efc74
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| 952 |
f |
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:ornl/tm-9755
|h Superintendent of Documents classification
|i web
|n 1
|
