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SRS Low‐Curie Process Modeling and Experiments

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Abstract:

Engineers at SRS are evaluating the Low‐Curie Salt Process which is aimed at initially withdrawing the interstitial liquor followed by dissolution of the salt cake. Partitioning of the cesium is predominantly within the interstitial liquor; consequently a separation based on activity can be effected. Laboratory experiments using simulants from SRS tanks have been performed along with thermodynamic simulations. Results indicate that insoluble layers such as Al(OH) 3 and/or cancrinite may form and hinder the dissolution processes. The effectiveness of the Low‐Curie Salt Process may be reduced based on layer formation and the distribution of the interstitial liquor within the waste.

Keywords: Cesium; DASR (Drain, Add, Sit, Remove); dissolution; nuclear waste processing; salt cake; thermodynamic modeling

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/01496390600745446

Affiliations: 1: Institute for Clean Energy Technologies, Mississippi State University, MS, USA 2: Dave C. Swalm School of Chemical Engineering, Mississippi State, MS, USA 3: Agricultural and Biological Engineering, Mississippi State, MS, USA

Publication date: January 1, 2006

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