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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
P. A. Haas
Nuclear Technology | Volume 10 | Number 3 | March 1971 | Pages 283-292
Technical Paper | Fuel | doi.org/10.13182/NT71-A30960
Articles are hosted by Taylor and Francis Online.
The preparation of sol-gel spheres by extraction of water into organic alcohols is simpler for nonfluidizing conditions as compared to fluidized-bed operation. However, the maximum sphere diameter that can be produced is typically 200 microns (μ) or less. The column heights required were calculated from mass transfer and settling correlations. Sol drops with mean diameters of 20 to 300 μ were formed by using two-fluid nozzles with turbulent flow of alcohol drive fluid in the nozzle. Water is removed from the alcohols by distillation, and surfactants may be added to control operating problems.