Removal of Technetium, Carbon Tetrachloride, and Metals from DOE Properties.

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The objective of this research is to prepare, characterize, and evaluate new materials for the removal of technetium (Tc) compounds, halogenated organics, and other troublesome metals from DOE waste streams and contaminated areas. This work follows the discovery that a nanoscale form of zero-valent iron, dispersed on high surface area supports, reduces metal ions (Cr, Hg, Pb, Cd) and Re (as a surrogate for Tc) to insoluble forms faster and with higher efficiency than does unsupported iron. Liquid-liquid extraction methods are also being developed for quantitative removal of Cs from tetraphenylborate salt mixtures, which are generated in waste processing at ... continued below

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Mallouk, Thomas E.; Ponder, Sherman M. & Darab, John June 1, 2000.

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Description

The objective of this research is to prepare, characterize, and evaluate new materials for the removal of technetium (Tc) compounds, halogenated organics, and other troublesome metals from DOE waste streams and contaminated areas. This work follows the discovery that a nanoscale form of zero-valent iron, dispersed on high surface area supports, reduces metal ions (Cr, Hg, Pb, Cd) and Re (as a surrogate for Tc) to insoluble forms faster and with higher efficiency than does unsupported iron. Liquid-liquid extraction methods are also being developed for quantitative removal of Cs from tetraphenylborate salt mixtures, which are generated in waste processing at Savannah River, and conversion to vitrifiable inorganic Cs salts.

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  • Other Information: PBD: 1 Jun 2000

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  • Report No.: EMSP-60017-2000
  • Grant Number: FG07-97ER14822
  • DOI: 10.2172/828485 | External Link
  • Office of Scientific & Technical Information Report Number: 828485
  • Archival Resource Key: ark:/67531/metadc785555

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  • June 1, 2000

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 21, 2016, 3:57 p.m.

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Mallouk, Thomas E.; Ponder, Sherman M. & Darab, John. Removal of Technetium, Carbon Tetrachloride, and Metals from DOE Properties., report, June 1, 2000; United States. (digital.library.unt.edu/ark:/67531/metadc785555/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.