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Removal of Particulate Cerium Oxide Using Dense Phase Carbon Dioxide and Aqueous Surfactant.

Much of the radioactive waste at the Savannah River Site is transuranic waste. This waste includes rags, clothing, and tools contaminated with radioactive material. In an effort to permanently dispose of plutonium contaminated transuranic waste, the Department of Energy (DOE) is seeking effective methods to separate plutonium oxide from organic and metallic materials. By reducing plutonium oxide concentration in these materials, the DOE can limit hydrogen gas production caused by the reaction of plutonium and surrounding hydrocarbons. This will allow the DOE to safety transport the waste to the Waste Isolation Pilot Plant for permanent disposal. The objective of this research is to develop a method for the examination of the effectiveness of dense phase carbon dioxide as an extraction agent for cesium oxide particles, a DOE accepted surrogate for particulate plutonium oxide, by comparing it to more traditional aqueous surfactant removal processes.
Patrick R. Crosby
South Carolina Governor's School for Science and Mathematics
COPYRIGHT 2001 South Carolina Academy of Science
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001 Gale, Cengage Learning. All rights reserved.

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Author:Crosby, Patrick R.
Publication:Bulletin of the South Carolina Academy of Science
Article Type:Brief Article
Geographic Code:1U5SC
Date:Jan 1, 2001
Words:154
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