Pilot Plant Preparation of Thorium Oxide and Thorium-Uranium Oxide During Fiscal Year 1960

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Description

Test quantities of thoria (aporoximately 3800 lb of thorium oxide and 3200 lb of mixed thorium-uranium oxide) were prepared during FY-1960 for members of the Reactor Experimental Engineering Division (REED). For preparation of thorium oxide, the calcination temperature was varied from 650 to 1800 deg C. The surface area of the fired oxide ranged from 0.5 to 25 m/sup 2//g and the mean particle size ranged from 1 to 8 microns. For preparation of mixed thorium-- uranium oxide, the calcination temperature was varied from 1050 to 1225 deg C. The mixed oxide contained either 0.5, 3.0, or 8.0 wt.% of … continued below

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18 p.

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Winget, R. H., Jr. July 29, 1960.

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  • Main Title: Pilot Plant Preparation of Thorium Oxide and Thorium-Uranium Oxide During Fiscal Year 1960
  • Series Title: Fiscal Year 1960

Description

Test quantities of thoria (aporoximately 3800 lb of thorium oxide and 3200 lb of mixed thorium-uranium oxide) were prepared during FY-1960 for members of the Reactor Experimental Engineering Division (REED). For preparation of thorium oxide, the calcination temperature was varied from 650 to 1800 deg C. The surface area of the fired oxide ranged from 0.5 to 25 m/sup 2//g and the mean particle size ranged from 1 to 8 microns. For preparation of mixed thorium-- uranium oxide, the calcination temperature was varied from 1050 to 1225 deg C. The mixed oxide contained either 0.5, 3.0, or 8.0 wt.% of uranium as requested with a mean particle size of 1.5 microns. The over-all losses of thorium and uranium were 19.4 and 18.3%, re spectively. Four 1400 lb batches of thorium nitrate were dissolved to prepare solutions containing 300 to 350 g/liter of thorium for solvent extraction studies in the Chemical Technolcgy Division and 2100 lb of dry, recovered waste thorium oxide was supplied to the ORNL Fuel Cycle Program. (auth)

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18 p.

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Other Information: Orig. Receipt Date: 31-DEC-60

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  • July 29, 1960

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  • Sept. 16, 2016, 12:32 a.m.

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  • Nov. 24, 2024, 11:29 p.m.

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Winget, R. H., Jr. Pilot Plant Preparation of Thorium Oxide and Thorium-Uranium Oxide During Fiscal Year 1960, report, July 29, 1960; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc872234/: accessed March 16, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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