33 research outputs found
CHEMICAL ENGINEERING DIVISION SUMMARY REPORT
Work reported includes: Chemical-Metallurgical Processing; Fuel Cycle Applications of Volatility and Fluidization Techniques; Calorimetry; Reactor Safety; Energy Conversion; and Determination of Nuclear Constants
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Bulletin no. 762 Moscow, Idaho :University of Idaho, College of Agriculture, Cooperative Extension System, 1994-04-01. Author(s): Lawroski, Mary An
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Technical Cooperation Program Visit of Lawroski and Stevenson (U.S.) to Chalk River on December 9-10, 1948
Minutes of conferences held at Chalk River, Ontario. The subjects discussed related primarily to separations processes
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PRELIMINARY REPORT ON CONVERSION OF URANIUM HEXAFLUORIDE TO URANIUM DIOXIDE IN A ONE-STEP FLUID-BED PROCESS
A one-step, continuous, fluid-bed process for the conversion of uranium hexafluoride to uranium dioxide was successfully carried out in preliminary experiments in a 1 1/2-inch-diameter Monel reactor. Hydrogen and steam were used for simultaneous reduction and pyrohydrolysis reactions carried out at 600 deg C, resulting in the formation of a dense coating of dioxide on the starting bed of uranium dioxide. The effects of uranium hexafluoride feed rate and reactant excesses on conversion were investigated. Results of fluid-bed steam pyrohydrolysis runs on uranium tetrafluoride are also presented. (auth