LABORATORY DEVELOPMENT OF THE THOREX PROCESS. Progress Report for December 1, 1955 to January 1, 1958
The Thorex process has been modified to increase decontamination so that thorium irradiated to more than 2000 g U/sup 233/ per ton thorium and decayed less than 180 days may be recovered. Modifications include the conversion to a codecontamination fiowsheet, sweep of I/sup 131/ from the dissolver with iodine carrier, improved ruthenium decontamination by addition of bisulfite to the feed, addition of a U/sup 233/ third-cycle solvent extraction, and improved solvent recovery by use of 0.2 M NaOH treatment. Activity remaining in products from pilot plant experiments processing thoriumu irradiated to 4000 g U/sup 233/ per ton of thorium decayed 27 days, by this modified process, exceeded tentative specifications by about a factor of two. (auth)
- Research Organization:
- Oak Ridge National Lab., Tenn.
- DOE Contract Number:
- W-7405-ENG-26
- NSA Number:
- NSA-13-007596
- OSTI ID:
- 4260262
- Report Number(s):
- ORNL-2591
- Country of Publication:
- United States
- Language:
- English
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