MODELING AN ION EXCHANGE PROCESS FOR CESIUM REMOVAL FROM ALKALINE RADIOACTIVE WASTE SOLUTIONS

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The performance of spherical Resorcinol-Formaldehyde ion-exchange resin for the removal of cesium from alkaline radioactive waste solutions has been investigated through computer modeling. Cesium adsorption isotherms were obtained by fitting experimental data using a thermodynamic framework. Results show that ion-exchange is an efficient method for cesium removal from highly alkaline radioactive waste solutions. On average, two 1300 liter columns operating in series are able to treat 690,000 liters of waste with an initial cesium concentration of 0.09 mM in 11 days achieving a decontamination factor of over 50,000. The study also tested the sensitivity of ion-exchange column performance to variations ... continued below

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Smith, F; Luther Hamm, L; Sebastian Aleman, S & Johnston Michael, J August 26, 2008.

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The performance of spherical Resorcinol-Formaldehyde ion-exchange resin for the removal of cesium from alkaline radioactive waste solutions has been investigated through computer modeling. Cesium adsorption isotherms were obtained by fitting experimental data using a thermodynamic framework. Results show that ion-exchange is an efficient method for cesium removal from highly alkaline radioactive waste solutions. On average, two 1300 liter columns operating in series are able to treat 690,000 liters of waste with an initial cesium concentration of 0.09 mM in 11 days achieving a decontamination factor of over 50,000. The study also tested the sensitivity of ion-exchange column performance to variations in flow rate, temperature and column dimensions. Modeling results can be used to optimize design of the ion exchange system.

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  • Journal Name: Waste Management

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  • Report No.: SRNS-STI-2008-00061
  • Grant Number: DE-AC09-08SR22470
  • Office of Scientific & Technical Information Report Number: 938427
  • Archival Resource Key: ark:/67531/metadc902152

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  • August 26, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 12, 2016, 12:24 p.m.

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Smith, F; Luther Hamm, L; Sebastian Aleman, S & Johnston Michael, J. MODELING AN ION EXCHANGE PROCESS FOR CESIUM REMOVAL FROM ALKALINE RADIOACTIVE WASTE SOLUTIONS, article, August 26, 2008; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc902152/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.