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Wednesday, July 8, 2020 | History

2 edition of Density and radiolytic decomposition of plutonium nitrate solutions found in the catalog.

Density and radiolytic decomposition of plutonium nitrate solutions

Arturo Maimoni

Density and radiolytic decomposition of plutonium nitrate solutions

by Arturo Maimoni

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  • 14 Currently reading

Published by Dept. of Energy, Lawrence Livermore Laboratory, for sale by the National Technical Information Service in Livermore, Calif, Springfield, Va .
Written in English

    Subjects:
  • Plutonium nitrate,
  • Decomposition (Chemistry),
  • Specific gravity

  • Edition Notes

    StatementArturo Maimoni
    SeriesUCRL ; 52727
    ContributionsLawrence Livermore Laboratory, U.S. Nuclear Regulatory Commission
    The Physical Object
    Paginationv, 16 p. :
    Number of Pages16
    ID Numbers
    Open LibraryOL14885243M

    the material balance at a plutonium conver­ sion plant is %, including the volume measurement for plutonium nitrate solution (PuN), the weight measurement for the powder, 2. Outline of Facility and Tank Profile In Japan, Pu is extracted as a nitrate solution at the Tokai Reprocessing Plant. Structure, properties, spectra, suppliers and links for: plutonium nitrate.

    plutonium, plutonium nitrate, solution, thermal, water-reflected, uraniun+ uranyl nitrate i i I I DETAILED DESCRIPTION I Overview of Experiment R. C. Lloyd of PNL has completed and published a series of critical experiments with mixed plutonium-uranium nitrate solutions (Reference 1). This series of critical experiments was part of an. Density of potassium salts in water is plotted as function of wt%, mol/kg water and mol/l solution. Density of aqueous solutions of organic acids - Changes in density of aqueous solutions with changes in concentration at 20°C. Density of acetic acid, citric acid, formic acid, D-lactic acid, oxalic acid and trichloroacetic acid in water is.

    Density of aqueous solutions of organic acids - Changes in density of aqueous solutions with changes in concentration at 20°C. Density of acetic acid, citric acid, formic acid, D-lactic acid, oxalic acid and trichloroacetic acid in water is plotted as function of wt%, mol/kg water and mol/l solution. The irradiated uranium is dissolved in 2 to 4 N, preferable 3 N, nitric acid to provide an aqueous acidic solution of nitrate salts of uranium, plutonium, and fission products. The solution is then treated with dibutyl carbitol to extract the uranium and plutorium into the organic solvent phase.


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Density and radiolytic decomposition of plutonium nitrate solutions by Arturo Maimoni Download PDF EPUB FB2

Abstract. The available literature data on the density and radiolytic decomposition of plutonium nitrate solutions have been carefully reviewed to obtain correlations useful for design purposes. The density is correlated for plutonium concentrations to g/l, for nitric acid concentrations to N, and for temperatures to 60/sup 0/C, with a standard deviation of %.

The available literature data on the density and radiolytic decomposition of plutonium nitrate solutions have been carefully reviewed to obtain correlations useful for design purposes.

The density is correlated for plutonium concentrations to g/l, for nitric acid concentrations to N, and for. Get this from a library. Density and radiolytic decomposition of plutonium nitrate solutions. [Arturo Maimoni; Lawrence Livermore Laboratory.; U.S. Nuclear Regulatory Commission.]. Density data for aqueous solutions over a wider range of temperatures and pressures (and for other compounds) may be found in Reference 2.

Solutes are listed in the following order: Acetic acid Lithium chloride 2-Propanol Acetone Magnesium chloride Silver nitrate Ammonia Magnesium sulfate Sodium acetate Ammonium chloride Maltose Sodium bicarbonate.

The available literature data on the density and radiolytic decomposition of plutonium nitrate solutions have been carefully reviewed to obtain correlations useful for design purposes.

(3) Radiolytic evolution of hydrogen in plutonium nitrate solutions depends upon a height of the solution in a vessel. although this dependence is apparently less than that observed under r-radiation. (4) The effect of the solution height would be explained by a reaction between OH and H.

For mol dm-3 HNO3 solutions the radiolytic yield of HNO2 produced by americium α-decay is below the detection limit, whereas for plutonium α-decay the yield is considerably greater than that. plutonium nitrate. plutonium nitrate (Pu-HNO3), Pu-labeled. plutonium nitrate (Pu-HNO3), Pu-labeled.

plutonium nitrate (Pu3-HNO3), Pu-labeled. Density of Solutions of Ammonium Nitrate and Tetramethylammonium Nitrate in Nitric Acid.

Paulenova, in Advanced Separation Techniques for Nuclear Fuel Reprocessing and Radioactive Waste Treatment, Radiolysis in aqueous solutions. Radiolysis in aqueous solutions has an entirely different effect than in solid materials; water molecules become either excited or ionized. The ionization event occurs on the time scale of an electronic transition.

1. Introduction. The conversion of plutonium (III/IV) nitrate solutions to plutonium dioxide (PuO 2) solid products via the oxalate precipitation route dates back to the s, and (the Pu(IV) route) is now the standard production method used at industrial scales in nuclear fuel reprocessing is also widely used to recover plutonium from waste solutions and residues, to produce.

The effect of accelerated electrons on the extraction of plutonium from 4 mol/L nitric acid with 30% solution of TBP in the isoparaffinic diluent Isopar-M in a cyclic mode of extractant usage was studied.

The distribution coefficient of plutonium is slightly dependent on irradiation dose and decreases only due to radiolytic decomposition of HNO 3.

The extraction of Pu(IV) using M solution of tri-iso-amyl phosphate (TiAP)/n-dodecane (DD) from plutonium nitrate solutions in nitric acid media was examined as a function of equilibrium.

The mixed uranium-plutonium nitrate solution is concentrated at °C, the azeotropic temperature of nitric acid and water. Decomposition (denitration) of the fused salt occurs between and °C, during which nitrogen oxide (NOx) gases are generated, recovered by scrubbing of the off-gas, and subsequently recycled.

Molecular Hydrogen Yields from the α-Self-Radiolysis of Nitric Acid Solutions Containing Plutonium or Americium. The Journal of Physical Chemistry B(9), DOI: /7b products, and the effects of the dodecane decomposition yields also have not been as well defined.

The chemi- cal species based on diluent degradation were discussed in a few paperd8)(Radiolytic chemical products for 30~01% TBP-undecane-3 M HN03 in the presence and absence of uranyl nitrat,e were studied by kaMOb et UZ.(~).

Density and dynamic viscosity of four aqueous alkaline nitrate and nitrite solutions were measured experimentally. These considered solutions are used in developed absorption refrigeration cycles and heat pumps as binary working fluids (coolant/absorber).

Experimentations used a vibrating-tube densimeter and piston-style viscosimeter for density and viscosity, respectively. Plutonium nitrate solutions contain a large number of chemical species and they exhibit significant deviations from ideal behavior.

Modeling this system is challenging. A model that includes all known chemical species and accounts for nonideal solution behavior could contain several hundred unknown parameters, but insufficient published data.

* Department of Energy (DOE) standard DOE-STD,and treating the remaining solutions for disposition to the Hanford double shell tanks (DSTS). During the treatment process, nitric acid solutions bearing plutonium nitrate will be neutralized with Mg(OH)2 in an air sparge reactor.

The resulting slurry. A computer code REACT incorporating 30 rate equations of reactions, i.e. radiolytic formation and decomposition of HNO2, redox and disproportionation reactions, was developed to simulate behavior.

P.-C. Aïtcin, in Science and Technology of Concrete Admixtures, Calcium nitrite. When some oxygen ions penetrate concrete, calcium nitrite reacts with oxygen to be transformed into calcium r, when all the calcium nitrite added during the mixing has been transformed into calcium nitrate, oxygen ions resume their attack on the reinforcing steel.All the carbonates in this Group undergo thermal decomposition to give the metal oxide and carbon dioxide gas.

Thermal decomposition is the term given to splitting up a compound by heating it. All of these carbonates are white solids, and the oxides that are produced are also white solids.Usually plutonium (IV) of concentrated nitric acid solution at room temperature evaporation in the system.

(2) PuO 2 (NO 3) 2 6H 2 O ; lamellae, pink or brown. Easily lost crystalline water, placed in the air easily reduced to Pu (IV) until Pu (III). The plutonium nitrate solution is the most studied of plutonium solution.