Removal of strontium-90 from calcined wastes with the SREX process

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Description

Experiments have been performed to formulate chemical procedures for the processing of radioactive dissolved calcine wastes for the removal of {sup 90}Sr with the SREX (Strontium Extraction) solvent. Batch contact solvent extraction experiments have been performed to yield a processing scheme which is highly efficient for the extraction of Sr, while remaining free from insoluble precipitate formation and third phase formation. The effect of various scrubbing and stripping techniques and elevated temperature have been evaluated. The results of the batch contact experimentation has formed the basis for a proposed processing flowsheet which is scheduled soon for demonstration in centrifugal contactors.

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5 p.

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Wood, D.J.; Mann, N.R.; Tillotson, R.; Tullock, P.A. & Todd, T.A. December 31, 1997.

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Description

Experiments have been performed to formulate chemical procedures for the processing of radioactive dissolved calcine wastes for the removal of {sup 90}Sr with the SREX (Strontium Extraction) solvent. Batch contact solvent extraction experiments have been performed to yield a processing scheme which is highly efficient for the extraction of Sr, while remaining free from insoluble precipitate formation and third phase formation. The effect of various scrubbing and stripping techniques and elevated temperature have been evaluated. The results of the batch contact experimentation has formed the basis for a proposed processing flowsheet which is scheduled soon for demonstration in centrifugal contactors.

Physical Description

5 p.

Notes

INIS; OSTI as DE98056070

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  • SPECTRUM `98: nuclear and hazardous waste management international topical meeting, Denver, CO (United States), 13-18 Sep 1998

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  • Other: DE98056070
  • Report No.: INEEL/CON--97-01431
  • Report No.: CONF-980905--
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 656588
  • Archival Resource Key: ark:/67531/metadc702100

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 31, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • July 19, 2016, 12:38 p.m.

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Wood, D.J.; Mann, N.R.; Tillotson, R.; Tullock, P.A. & Todd, T.A. Removal of strontium-90 from calcined wastes with the SREX process, article, December 31, 1997; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc702100/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.