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THE REMOVAL OF URANIUM AND THORIUM FROM FUELED-GRAPHITE MATERIALS BY CHLORINATION

Description: A nondestructive process was developed for the removal of exposed uranium and thorium from fueled-graphite spheres for gas-cooled pebble-bed reactors. Volatile chlorides were formed and removed by reacting exposed uranium and thorium at high temperature with a dynamic atmosphere of gaseous chlorine diluted with argon. Chlorination experiments were conducted at 800 to 1000 deg C with uncoated spherical UC/sub 2/ and (U,Th)C/sub 2/ particles, pyrolytic-carbon coated fuel particles, and graphite m… more
Date: April 1, 1964
Creator: Cook, J.L. & Hamner, R.L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The ScCl3-Sc System

Description: Experimental data supporting lower valence halides of scandium were not found in the literature. Our investigation was of the phase diagram of the ScCl3-Sc system, and also the vapor pressure-composition isotherm (at 960 degree) for this system. Investigation of the ScCl3-Sc system presented particular difficulties in comparison with analogous systems for rare earth elements in that ScCl3 is highly volatile (boiling pt. = 967 degree); according to our data the vapor pressure is 512 mm Hg measur… more
Date: April 1964
Creator: Polyachenok, O. G. & Novikov, G. I.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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