Frit Development Efforts for Sludge Batch 4 (SB4): Operating Window Assessments fo Scenarios Leading Up to the Selected Preparation Plan for SB4

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The objective of this report is to document technical information that has been provided to Defense Waste Processing Facility (DWPF) and Closure Business Unit (CBU) personnel as part of the frit development support for Sludge Batch 4 (SB4). The information presented in this report includes projected operating windows (expressed in terms of waste loading) for various sludge blending and/or washing options coupled with candidate frits of interest. Although the Nominal Stage assessment serves as the primary tool for these evaluations, select systems were also evaluated using a Variation Stage assessment in which compositional variations were introduced. In addition, assessments of ... continued below

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Peeler, D March 21, 2006.

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Description

The objective of this report is to document technical information that has been provided to Defense Waste Processing Facility (DWPF) and Closure Business Unit (CBU) personnel as part of the frit development support for Sludge Batch 4 (SB4). The information presented in this report includes projected operating windows (expressed in terms of waste loading) for various sludge blending and/or washing options coupled with candidate frits of interest. Although the Nominal Stage assessment serves as the primary tool for these evaluations, select systems were also evaluated using a Variation Stage assessment in which compositional variations were introduced. In addition, assessments of the impacts of nepheline formation potential and the SO{sub 4}{sup -} solubility limit on the projected operating windows are also provided. Although this information was used as part of the technical basis leading to CBU's development of the preferred SB4 preparation plan, none of the options presented in this report was selected as the preferred plan. Therefore, the information is presented without significant interpretation of the resulting operating windows, but the projected windows are provided so additional insight can be explored if desired. Detailed assessments of the projected operating windows (using both Nominal and Variation Stage assessments) of the preferred sludge preparation plan with candidate frits are to be documented elsewhere. The information provided in this report is focused solely on model-based projections of the operating windows for various SB4 blending strategies of interest. Although nepheline formation potential is monitored via model predictions as a part of this assessment, experimental work investigating the impact of nepheline on glass quality is also being addressed in a parallel study. The results of this paper study and the experimental assessments of melt rate, SO{sub 4} solubility, and/or nepheline formation potential are all critical components of the inputs into the frit selection process for SB4.

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  • Report No.: WSRC-RP-2006-00002
  • Grant Number: DE-AC09-96SR18500
  • DOI: 10.2172/890144 | External Link
  • Office of Scientific & Technical Information Report Number: 890144
  • Archival Resource Key: ark:/67531/metadc874741

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  • March 21, 2006

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 2, 2016, 12:51 p.m.

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Peeler, D. Frit Development Efforts for Sludge Batch 4 (SB4): Operating Window Assessments fo Scenarios Leading Up to the Selected Preparation Plan for SB4, report, March 21, 2006; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc874741/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.