Crust growth and gas retention in synthetic Hanford waste

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Description

The focus of the work described here is to examine the principal contributing factors leading to slurry growth and gas retention within waste from a particular high-level waste tanks on the Hanford Site. Laboratory studies of aged synthetic waste have shown that the waste retains gases in the form of bubble attachment to solid particles. This attachment phenomenon is related to the presence of organic constituents (HEDTA, EDTA, and citrate) added to the waste matrix. The mechanism for bubble attachment is related to the hydrophobic surface produced by the organic complexant. The formation of a stable gas bubble/solid interaction is ... continued below

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Pages: (14 p)

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Bryan, S.A.; Pederson, L.R. & Scheele, R.D. March 1, 1992.

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Description

The focus of the work described here is to examine the principal contributing factors leading to slurry growth and gas retention within waste from a particular high-level waste tanks on the Hanford Site. Laboratory studies of aged synthetic waste have shown that the waste retains gases in the form of bubble attachment to solid particles. This attachment phenomenon is related to the presence of organic constituents (HEDTA, EDTA, and citrate) added to the waste matrix. The mechanism for bubble attachment is related to the hydrophobic surface produced by the organic complexant. The formation of a stable gas bubble/solid interaction is believed to be responsible for crust flotation and gas retention in the synthetic waste used here.

Physical Description

Pages: (14 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Waste management '92, Tucson, AZ (United States), 1-5 Mar 1992

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  • Other: DE92010494
  • Report No.: PNL-SA-19965
  • Report No.: CONF-920307--53
  • Grant Number: AC06-76RL01830
  • Office of Scientific & Technical Information Report Number: 5649472
  • Archival Resource Key: ark:/67531/metadc1093425

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Office of Scientific & Technical Information Technical Reports

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  • March 1, 1992

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 20, 2018, 12:33 p.m.

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Bryan, S.A.; Pederson, L.R. & Scheele, R.D. Crust growth and gas retention in synthetic Hanford waste, article, March 1, 1992; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1093425/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.