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Analysis Of Uo2 Dissolution In Nitric Acid Solution
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Book Synopsis Analysis of UO2 Dissolution in Nitric Acid Solution by : H. F. Johnson
Download or read book Analysis of UO2 Dissolution in Nitric Acid Solution written by H. F. Johnson and published by . This book was released on 1962 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Dissolution of Uranium Oxides in HB-Line Phase 1 Dissolvers by :
Download or read book The Dissolution of Uranium Oxides in HB-Line Phase 1 Dissolvers written by and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of characterization and dissolution studies has been performed to define flowsheet conditions for the dissolution of uranium oxide materials in dissolvers. The samples selected for analysis were uranium oxide materials. The selection of these uranium oxide materials for characterization and dissolution studies was based on high enriched uranium content and trace levels of plutonium. Test results from the characterization study identified ferric oxide (Fe2O3) and iron/chromium/nickel (Fe/Cr/Ni) particles as impurities along with the tri-uranium oxide (U3O8) and uranium trioxide (UO3). The weight percent uranium in this material was found to vary depending on the impurity content. The trace impurity plutonium appears to be associated with the Fe/Cr/Ni particles. A small amount of absorbed moisture and waters of hydration is present. Most of the uranium oxides easily dissolved in low-molar nitric acid solutions without fluoride within one to two hours at solution temperature s between 60-80 degrees C.A small amount of residue remained following this dissolution step. To assure complete dissolution of uranium from these oxide materials, an additional dissolution step at 90 degrees C to boiling for at least one to two hours has been suggested. Only trace amounts of iron associated with Fe2O3 and Fe/Cr/Ni particles will dissolve during the dissolution steps. Neither hydrogen nor heat will be generated during the dissolution of these uranium oxide materials in nitric acid solutions. Some brown nitrogen dioxide (NO2) fumes will be generated during the dissolution of U3O8.
Book Synopsis Dissolution of Irradiated, Stainless-steel-clad ThO2-UO2 in Fluoride-catalyzed Nitric Acid Solutions by : J. H. Goode
Download or read book Dissolution of Irradiated, Stainless-steel-clad ThO2-UO2 in Fluoride-catalyzed Nitric Acid Solutions written by J. H. Goode and published by . This book was released on 1965 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolution of High-density UO2, PuO2, and UO2-PuO2 Pellets in Inorganic Acids by : Armando L. Uriarte
Download or read book Dissolution of High-density UO2, PuO2, and UO2-PuO2 Pellets in Inorganic Acids written by Armando L. Uriarte and published by . This book was released on 1965 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Acid Dissolution of Some Uranium Ore Concentrates: Final Report on Supporting Experimental Work for the Dow Nuclear Material Plans Studies by : H.A. Ohlgren, Lee Chajson, K.S. Sanvordenker
Download or read book The Acid Dissolution of Some Uranium Ore Concentrates: Final Report on Supporting Experimental Work for the Dow Nuclear Material Plans Studies written by H.A. Ohlgren, Lee Chajson, K.S. Sanvordenker and published by . This book was released on 1956 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the dissolution chemistry of uo2 in nitric acid by : D. Herrmann
Download or read book On the dissolution chemistry of uo2 in nitric acid written by D. Herrmann and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolution of Zircaloy 2 Clad UO2 Commercial Reactor Fuel by :
Download or read book Dissolution of Zircaloy 2 Clad UO2 Commercial Reactor Fuel written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary goal of this investigation was to evaluate the effectiveness of the chop-leach process, with nitric acid solvent, to produce a nominally 300 g/L [U] and 1 M [H] product solution. The results of this study show that this processing technique is appropriate for applications in which a low free acid and moderately high U content are desired. The 7.75 L of product solution, which was over 450 g/L in U, was successfully diluted to produce about 13 L of solvent extraction feed that was 302 g/L in U with a [H] in the range 0.8-1.2 M.A secondary goal was to test the effectiveness of this treatment for the removal of actinides from Zircaloy cladding to produce a low-level radioactive waste (LLW) cladding product. Analysis of the cladding shows that actinides are present in the cladding at a concentration of about 5000 [eta]Ci/g, which is about 50 times greater than the acceptable transuranium element limit in low level radioactive waste. It appears that the concentration of nitric acid used for this dissolution study (initial concentration 4 M, with 10 M added as the dissolution proceeded) was inadequate to completely digest the UO2 present in the spent fuel. The mass of insoluble material collected from the initial treatments with nitric acid, 340 g, was much higher than expected, and analysis of this insoluble residue showed that it contained at least 200 g U.
Book Synopsis Electrolytic Dissolution of Power Reactor Fuels in Nitric Acid by :
Download or read book Electrolytic Dissolution of Power Reactor Fuels in Nitric Acid written by and published by . This book was released on 1961 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1972 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Kinetics of Dissolution of Uranium Dioxide Into Nitric Acid by : Muhammad Shabbir
Download or read book An Investigation of the Kinetics of Dissolution of Uranium Dioxide Into Nitric Acid written by Muhammad Shabbir and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Dissolution of Uranium Dioxide as an Electron Transfer Reaction by :
Download or read book The Dissolution of Uranium Dioxide as an Electron Transfer Reaction written by and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the course of a study of the fundamental aspects of the dissolution of UO2 in acid solutions containing Fe(3+), the strong similarity was observed between factors affecting the dissolution of UO2 and factors affecting many electron transfer reactions occurring in solution - particularly the Fe(3+) - Fe(2+) exchange. For instance, in a perchlorate medium both the Fe(3+) - Fe(2+) exchange and the dissolution of UO2 by Fe(3+) are strongly catalyzed by the presence of small concentrations of sulphate, while both reactions are also affected in a similar manner by the concentration of H+ in solution. Both these effects of SO4(2-) and H+ are attributed to the formation of certain Fe(3+) ionic species, whose concentrations appear to be rate determining in both reactions. From a comparison of the results previously reported in studies of relevant homogenous reactions and the results obtained in the present study of the dissolution of UO2 the type of reaction occurring and the mechanism of reaction at the UO2 surface is discussed.
Book Synopsis Reprocessing of Irradiated Fission Reactor Fuel and Breeding Materials by :
Download or read book Reprocessing of Irradiated Fission Reactor Fuel and Breeding Materials written by and published by . This book was released on 1964 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book TID. written by and published by . This book was released on 19?? with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimising the Dissolution of U/Al in Alkaline Solutions and Subsequent Dissolution of the Generated Uranium Residue in Nitric Acid by :
Download or read book Optimising the Dissolution of U/Al in Alkaline Solutions and Subsequent Dissolution of the Generated Uranium Residue in Nitric Acid written by and published by . This book was released on 2019 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminium -- Dissolution -- Uranium.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Dose Estimates and Hazard Evaluations for Inhaled Airborne Radionuclides by : James A. Mewhinney
Download or read book Radiation Dose Estimates and Hazard Evaluations for Inhaled Airborne Radionuclides written by James A. Mewhinney and published by . This book was released on 1981 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Chemical Methods for the Determination of Uranium in Minerals and Ores by : National Chemical Laboratory (Great Britain)
Download or read book Handbook of Chemical Methods for the Determination of Uranium in Minerals and Ores written by National Chemical Laboratory (Great Britain) and published by . This book was released on 1950 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: