Immobilization of high level nuclear reactor wastes in SYNROC: a current appraisal. [Synthetic perovskite and hollandite; natural zirconolite and perovskite]

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Results are presented for leach testing at 95/sup 0/C and 200/sup 0/C of SYNROC containing 9% and 20% simulated high level radioactive waste, synthetic hollandite and pervoskite samples, and natural zirconolite and pervoskite samples. Single phase synthetic minerals show much higher leach rates than natural mineral samples and polyphase SYNROC samples. Natural zirconolite samples with low radiation damage have leach rates at 200/sup 0/C based on U which are identical to those measured on SYNROC samples. Natural zirconolites with very large accumulated ..cap alpha.. dose and radiation damage have leach rates at 200/sup 0/C which are only 5 times higher ... continued below

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Pages: 8

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Oversby, V.M. & Ringwood, A.E. October 13, 1981.

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Results are presented for leach testing at 95/sup 0/C and 200/sup 0/C of SYNROC containing 9% and 20% simulated high level radioactive waste, synthetic hollandite and pervoskite samples, and natural zirconolite and pervoskite samples. Single phase synthetic minerals show much higher leach rates than natural mineral samples and polyphase SYNROC samples. Natural zirconolite samples with low radiation damage have leach rates at 200/sup 0/C based on U which are identical to those measured on SYNROC samples. Natural zirconolites with very large accumulated ..cap alpha.. dose and radiation damage have leach rates at 200/sup 0/C which are only 5 times higher than those of low dose samples.

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Pages: 8

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NTIS, PC A02/MF A01.

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  • Annual meeting of the Materials Research Society, Boston, MA, USA, 16 Nov 1981

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  • Other: DE82002579
  • Report No.: UCRL-86786
  • Report No.: CONF-811122-9
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5956695
  • Archival Resource Key: ark:/67531/metadc1094831

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  • October 13, 1981

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  • Feb. 18, 2018, 3:59 p.m.

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  • April 27, 2018, 4:35 p.m.

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Oversby, V.M. & Ringwood, A.E. Immobilization of high level nuclear reactor wastes in SYNROC: a current appraisal. [Synthetic perovskite and hollandite; natural zirconolite and perovskite], article, October 13, 1981; [Livermore,] California. (https://digital.library.unt.edu/ark:/67531/metadc1094831/: accessed March 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.