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The Exchange of F 18 between Metallic Fluorides and Silicon Tetrafluoride
Alkali fluorides containing F18 prepared by the reaction F19 (p,pn)F18. The exchange reaction was studied by circulating SiF4 in a closed system over the alkali halide and through a counter.
  • 17
CONTINUOUS DISSOLUTION OF ZIRCONIUM REACTOR FUELS IN TITANIUM EQUIPMENT: LABORATORY DEMONSTRATION
  • T. Gens
  • Materials Science
  • 23 January 1963
Continuous dissolution of 2% U-- Zr alloy fuel in a laboratory-scale Ti dissolver was demonstrated using refluxing 3 M HNO/sub 3/--1.2 M HF--0.4 M HBF/ sub 4/--0.6 M Cr(III)0.4 M Cr(VI)--0.46 M Zr asExpand
  • 1
Dissolution of Zirconium Reactor Fuels in Titanium Equipment
Continuous dissolution of Zircaloy-2 in a titanium dissolver appears practical using as a dissolvent refluxing 3 M HNO/sub 2/-l.2 M HF--0.4 M HBF/sub 4/-0.6 M Cr(III)-0.4 M Cr(VI)--0.46 M Zr.Expand
  • 2
EXPLOSIVE REACTIONS DURING REPROCESSING OF REACTOR FUELS CONTAINING URANIUM AND ZIRCONIUM OR NIOBIUM
  • T. Gens
  • Materials Science
  • 13 November 1958
Small particles of zirconinm formed during mechancal operations have caused serious industrial explosions. Particles of this type will not be encountered during aqueous chemical reprocessing.Expand
  • 6
RECOVERY OF URANIUM FROM RESIDUES PRODUCED IN HYDROCHLORINATION OF NUCLEAR FUEL ALLOYS
Chlorination at 550 to 600 deg C of Zircex residues with carbon tetrachloride resulted in greater than 99.99% recovery of the uranium. Both the hydrochlorination residue and the solids which remainExpand
NEW DEVELOPMENTS IN URANIUM-ZIRCONIUM ALLOY FUEL REPROCESSING
Processes for dissolving U-Zr snd Nb-U-Zr alloy fuels in ammonium fluoride solutions (Modified Zirflex processes) are developed. A nonaqueous process (Zircex process), in which high-zirconium alloysExpand
  • 2
NEW LABORATORY DEVELOPMENTS IN THE ZIRCEX PROCESS
A new Zircex flowsheet is proposed in which the nonvolatile products from hydrochlorination of uranium-zirconium alloys are chlorinated with carbon tetrachloride, thereby avoiding the loss of 1 to 6%Expand
  • 1
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