Organic tanks safety program waste aging studies. Final report, Revision 1

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Description

Uranium and plutonium production at the Hanford Site produced large quantities of radioactive byproducts and contaminated process chemicals that are stored in underground tanks awaiting treatment and disposal. Having been made strongly alkaline and then subjected to successive water evaporation campaigns to increase storage capacity, the wastes now exist in the physical forms of saltcakes, metal oxide sludges, and aqueous brine solutions. Tanks that contain organic process chemicals mixed with nitrate/nitrite salt wastes might be at risk for fuel-nitrate combustion accidents. This project started in fiscal year 1993 to provide information on the chemical fate of stored organic wastes. While ... continued below

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[150] p.

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Camaioni, D.M.; Samuels, W.D. & Linehan, J.C. September 1, 1998.

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Description

Uranium and plutonium production at the Hanford Site produced large quantities of radioactive byproducts and contaminated process chemicals that are stored in underground tanks awaiting treatment and disposal. Having been made strongly alkaline and then subjected to successive water evaporation campaigns to increase storage capacity, the wastes now exist in the physical forms of saltcakes, metal oxide sludges, and aqueous brine solutions. Tanks that contain organic process chemicals mixed with nitrate/nitrite salt wastes might be at risk for fuel-nitrate combustion accidents. This project started in fiscal year 1993 to provide information on the chemical fate of stored organic wastes. While historical records had identified the organic compounds originally purchased and potentially present in wastes, aging experiments were needed to identify the probable degradation products and evaluate the current hazard. The determination of the rates and pathways of degradation have facilitated prediction of how the hazard changes with time and altered storage conditions. Also, the work with aged simulated waste contributed to the development of analytical methods for characterizing actual wastes. Finally, the results for simulants provide a baseline for comparing and interpreting tank characterization data.

Physical Description

[150] p.

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INIS; OSTI as DE98059302

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  • Other Information: PBD: Sep 1998

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  • Other: DE98059302
  • Report No.: PNNL--11909-Rev.1
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/665981 | External Link
  • Office of Scientific & Technical Information Report Number: 665981
  • Archival Resource Key: ark:/67531/metadc703929

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  • September 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 14, 2016, 3:51 p.m.

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Camaioni, D.M.; Samuels, W.D. & Linehan, J.C. Organic tanks safety program waste aging studies. Final report, Revision 1, report, September 1, 1998; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc703929/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.