Coupling a Transient Solvent Extraction Module with the Separations and Safeguards Performance Model

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A past difficulty in safeguards design for reprocessing plants is that no code existed for analysis and evaluation of the design. A number of codes have been developed in the past, but many are dated, and no single code is able to cover all aspects of materials accountancy, process monitoring, and diversion scenario analysis. The purpose of this work was to integrate a transient solvent extraction simulation module developed at Oak Ridge National Laboratory, with the SSPM Separations and Safeguards Performance Model, developed at Sandia National Laboratory, as a first step toward creating a more versatile design and evaluation tool. ... continued below

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de Almeida, Valmor F; Birdwell Jr, Joseph F; DePaoli, David W & Gauld, Ian C October 1, 2009.

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A past difficulty in safeguards design for reprocessing plants is that no code existed for analysis and evaluation of the design. A number of codes have been developed in the past, but many are dated, and no single code is able to cover all aspects of materials accountancy, process monitoring, and diversion scenario analysis. The purpose of this work was to integrate a transient solvent extraction simulation module developed at Oak Ridge National Laboratory, with the SSPM Separations and Safeguards Performance Model, developed at Sandia National Laboratory, as a first step toward creating a more versatile design and evaluation tool. The SSPM was designed for materials accountancy and process monitoring analyses, but previous versions of the code have included limited detail on the chemical processes, including chemical separations. The transient solvent extraction model is based on the ORNL SEPHIS code approach to consider solute build up in a bank of contactors in the PUREX process. Combined, these capabilities yield a much more robust transient separations and safeguards model for evaluating safeguards system design. This coupling and the initial results are presented. In addition, some observations toward further enhancement of separations and safeguards modeling based on this effort are provided, including: items to be addressed in integrating legacy codes, additional improvements needed for a fully functional solvent extraction module, and recommendations for future integration of other chemical process modules.

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  • Report No.: ORNL/TM-2009/205
  • Grant Number: DE-AC05-00OR22725
  • DOI: 10.2172/978278 | External Link
  • Office of Scientific & Technical Information Report Number: 978278
  • Archival Resource Key: ark:/67531/metadc931630

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  • October 1, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 21, 2016, 6:36 p.m.

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de Almeida, Valmor F; Birdwell Jr, Joseph F; DePaoli, David W & Gauld, Ian C. Coupling a Transient Solvent Extraction Module with the Separations and Safeguards Performance Model, report, October 1, 2009; [Tennessee]. (digital.library.unt.edu/ark:/67531/metadc931630/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.