Evaporation of Pretreated Hanford Tank AW-101 Sample Mixed with Recycle

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Description

This task was undertaken to provide validation data for the Treated Feed Evaporator flowsheet and operating conditions using Hanford Tank 241-AW-101 pretreated waste blended with simulated River Protection Project Waste Treatment Plant(RPP-WTP) waste recycles. This task provided the first opportunity to compare performance of blended actual treated waste to the performance of blended treated waste simulants and recycle simulants. Specific objectives were: (1) determining the effect of plant recycles; (2) developing solubility data, as well as chemical and physical property data; and (3) evaluating antifoam effectiveness. The treated AW-101 sample was produced from the composite effluent of Ion Exchange testing ... continued below

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Crowder, M.L. March 1, 2004.

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Description

This task was undertaken to provide validation data for the Treated Feed Evaporator flowsheet and operating conditions using Hanford Tank 241-AW-101 pretreated waste blended with simulated River Protection Project Waste Treatment Plant(RPP-WTP) waste recycles. This task provided the first opportunity to compare performance of blended actual treated waste to the performance of blended treated waste simulants and recycle simulants. Specific objectives were: (1) determining the effect of plant recycles; (2) developing solubility data, as well as chemical and physical property data; and (3) evaluating antifoam effectiveness. The treated AW-101 sample was produced from the composite effluent of Ion Exchange testing carried out at Savannah River Technical Center. The design basis operating conditions were validated. Blended solutions of pretreated Hanford Tank 241-AW-101 and simulated SBS A2 recycle boiled at expected RPP-WTP flowsheet conditions: 60 mm Hg and 50 degrees Celsius. As expected, boiling point increased with concentration. Specifically, the 35:65 blend of AW-101 to SBS A2 at 7.5 M sodium had boiling points of 53 degrees Celsius at 60 mm Hg and 59 degrees Celsius at 80 mm Hg. These were 6 to 7 degrees Celsius higher than those estimated by an OLI model. Precipitation of solids in the AW-101/SBS A2 matrix began between 8.7 M and 10.4 Msodium. No problematic or excessive solids were observed. Therefore, SBS recycles are not expected to have any adverse effect on the evaporation process in the RPP-WTP.

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  • Other Information: PBD: 1 Mar 2004

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  • Report No.: WSRC-TR-2003-00218
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/821690 | External Link
  • Office of Scientific & Technical Information Report Number: 821690
  • Archival Resource Key: ark:/67531/metadc788863

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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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Creation Date

  • March 1, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • May 5, 2016, 6:01 p.m.

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Crowder, M.L. Evaporation of Pretreated Hanford Tank AW-101 Sample Mixed with Recycle, report, March 1, 2004; South Carolina. (digital.library.unt.edu/ark:/67531/metadc788863/: accessed October 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.