Hanford ferrocyanide waste chemistry and reactivity preliminary catalyst and initiator screening studies

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Description

During the 1950s, ferrocyanide was used to scavenge radiocesium from aqueous nitrate-containing Hanford wastes. During the production of defense materials and while these wastes were stored in high-level waste tanks at the Hanford Site, some of these wastes were likely mixed with other waste constituents and materials. Recently, Pacific Northwest Laboratory (PNL) was commissioned by Westinghouse Hanford Company (WHC) to investigate the chemical reactivity of these ferrocyanide-bearing wastes. Because of known or potential thermal reactivity hazards associated with ferrocyanide- and nitrate-bearing wastes, and because of the potential for different materials to act as catalysts or initiators of the reactions about ... continued below

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Pages: (34 p)

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Scheele, R.D.; Bryan, S.A.; Johnston, J.W.; Tingey, J.M.; Burger, L.L. & Hallen, R.T. May 1, 1992.

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Description

During the 1950s, ferrocyanide was used to scavenge radiocesium from aqueous nitrate-containing Hanford wastes. During the production of defense materials and while these wastes were stored in high-level waste tanks at the Hanford Site, some of these wastes were likely mixed with other waste constituents and materials. Recently, Pacific Northwest Laboratory (PNL) was commissioned by Westinghouse Hanford Company (WHC) to investigate the chemical reactivity of these ferrocyanide-bearing wastes. Because of known or potential thermal reactivity hazards associated with ferrocyanide- and nitrate-bearing wastes, and because of the potential for different materials to act as catalysts or initiators of the reactions about which there is concern, we at PNL have begun investigating the effects of the other potential waste constituents. This report presents the results of a preliminary screening study to identify classes of materials that might be in the Hanford high-level waste tanks and that could accelerate or reduce the starting temperature of the reaction(s) of concern. We plan to use the resulted of this study to determine which materials or class of materials merit additional research.

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Pages: (34 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Other: DE92014602
  • Report No.: PNL-8089
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/5353966 | External Link
  • Office of Scientific & Technical Information Report Number: 5353966
  • Archival Resource Key: ark:/67531/metadc1065590

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1992

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 20, 2018, 1:01 p.m.

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Scheele, R.D.; Bryan, S.A.; Johnston, J.W.; Tingey, J.M.; Burger, L.L. & Hallen, R.T. Hanford ferrocyanide waste chemistry and reactivity preliminary catalyst and initiator screening studies, report, May 1, 1992; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1065590/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.