Electrochemical treatment of mixed (hazardous and radioactive) wastes

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Electrochemical treatment technologies for mixed hazardous waste are currently under development at Los Alamos National Laboratory. For a mixed waste containing toxic components such as heavy metals and cyanides in addition to a radioactive component, the toxic components can be removed or destroyed by electrochemical technologies allowing for recovery of the radioactive component prior to disposal of the solution. Mixed wastes with an organic component can be treated by oxidizing the organic compound to carbon dioxide and then recovering the radioactive component. The oxidation can be done directly at the anode or indirectly using an electron transfer mediator. This work ... continued below

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14 p.

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Dziewinski, J.; Zawodzinski, C. & Smith, W.H. February 1, 1995.

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Description

Electrochemical treatment technologies for mixed hazardous waste are currently under development at Los Alamos National Laboratory. For a mixed waste containing toxic components such as heavy metals and cyanides in addition to a radioactive component, the toxic components can be removed or destroyed by electrochemical technologies allowing for recovery of the radioactive component prior to disposal of the solution. Mixed wastes with an organic component can be treated by oxidizing the organic compound to carbon dioxide and then recovering the radioactive component. The oxidation can be done directly at the anode or indirectly using an electron transfer mediator. This work describes the destruction of isopropanol, acetone and acetic acid at greater than 90% current efficiency using cobalt +3 or silver +2 as the electron transfer mediator. Also described is the destruction of cellulose based cheesecloth rags with electrochemically generated cobalt +3, at an overall efficiency of approximately 20%.

Physical Description

14 p.

Notes

INIS; OSTI as DE95006268

Source

  • 5. international conference on radioactive waste management and environmental remediation, Berlin (Germany), 3-9 Sep 1995

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  • Other: DE95006268
  • Report No.: LA-UR--95-256
  • Report No.: CONF-950917--2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 78600
  • Archival Resource Key: ark:/67531/metadc724759

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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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  • February 1, 1995

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 25, 2016, 4:15 p.m.

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Dziewinski, J.; Zawodzinski, C. & Smith, W.H. Electrochemical treatment of mixed (hazardous and radioactive) wastes, article, February 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc724759/: accessed October 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.