Physical Property Modeling of Concentrated Cesium Eluate Solutions, Part I - Derivation of Models

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Major analytes projected to be present in the Hanford Waste Treatment Plant cesium ion-exchange eluate solutions were identified from the available analytical data collected during radioactive bench-scale runs, and a test matrix of cesium eluate solutions was designed within the bounding concentrations of those analytes. A computer model simulating the semi-batch evaporation of cesium eluate solutions was run in conjunction with a multi-electrolyte aqueous system database to calculate the physical properties of each test matrix solution concentrated to the target endpoints of 80% and 100% saturation. The calculated physical properties were analyzed statistically and fitted into mathematical expressions for the ... continued below

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Choi, A.S.; Pierce, R. A.; Edwards, T. B. & Calloway, T. B. September 15, 2005.

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Major analytes projected to be present in the Hanford Waste Treatment Plant cesium ion-exchange eluate solutions were identified from the available analytical data collected during radioactive bench-scale runs, and a test matrix of cesium eluate solutions was designed within the bounding concentrations of those analytes. A computer model simulating the semi-batch evaporation of cesium eluate solutions was run in conjunction with a multi-electrolyte aqueous system database to calculate the physical properties of each test matrix solution concentrated to the target endpoints of 80% and 100% saturation. The calculated physical properties were analyzed statistically and fitted into mathematical expressions for the bulk solubility, density, viscosity, heat capacity and volume reduction factor as a function of temperature and concentration of each major analyte in the eluate feed. The R{sup 2} of the resulting physical property models ranged from 0.89 to 0.99.

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  • Journal Name: Radiochimica Acta

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  • Report No.: WSRC-MS-2005-00557
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 881469
  • Archival Resource Key: ark:/67531/metadc873993

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  • September 15, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 8, 2016, 8:56 p.m.

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Choi, A.S.; Pierce, R. A.; Edwards, T. B. & Calloway, T. B. Physical Property Modeling of Concentrated Cesium Eluate Solutions, Part I - Derivation of Models, article, September 15, 2005; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc873993/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.