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Pilot Plant Production Of Ammonium Uranous Fluoride
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Book Synopsis Pilot Plant Production of Ammonium Uranous Fluoride by :
Download or read book Pilot Plant Production of Ammonium Uranous Fluoride written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the conversion of the experimental pilot plant to a production unit for the batchwise production of ammonium uranous fluoride. A total of 7949 lbs of uranium was treated in two series of tests, the average conversion to ammonium uranous fluoride being 96.8 per cent. The reagent cost including an allowance for uranium losses in the process was found to be 32.4 cents per lb of treated uranium, and with further modifications, a cost of 28 cents per lb is envisaged.
Book Synopsis Laboratory and Pilot Plant Tests on the Production of Ammonium Uranous Fluoride in Refining Operations by :
Download or read book Laboratory and Pilot Plant Tests on the Production of Ammonium Uranous Fluoride in Refining Operations written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ammonium uranous fluoride (UF4.NH4F) was precipitated from a solution containing uranyl nitrate (UO2(NO3)2), ammonium fluoride (NH4F) and formic acid (HCOOH) by the introduction of sulphur dioxide (SO2). Laboratory tests showed that at elevated temperatures the rate of precipitation of UF4.NH4F was constant and largely dependent on the initial HCOOH concentration. The constant driving force during the reaction was attributed to the continuous regeneration of an active reducing agent, and a reaction mechanism based on regeneration in a formic acid - formaldehyde sulphoxylate system was proposed. The practical advantages of lowering reagent costs, by using the regenerated reducing agent remaining in the depleted solution after the uranium had been precipitated, were demonstrated. Pilot plant tests showed that it was possible to produce a product of nuclear grade purity after having overcome severe corrosion problems. It is considered that the present relatively high reagent costs of.
Book Synopsis Uranium Refining Project. Pilot Plant Studies on the Production of Sodium Uranous Fluoride by :
Download or read book Uranium Refining Project. Pilot Plant Studies on the Production of Sodium Uranous Fluoride written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 1050 lbs of uranium were treated in the pilot plant. 4 runs were conducted; the maximum throughput was approximately 7 1/2 lbs U/hr at 90 degrees C, which was only 50 per cent of the design capacity. This capacity was based on the results of small scale tests in a glass column. It is probable that short circuiting in the pilot plant reactor resulted in decreased throughput capacity. The sodium uranous fluoride produced contained approximately twice as much NaF as is indicated by the formula UF4.NaF. Both chemical and X-ray diffraction analysis showed the product to consist mainly of 2NaF.UF4. This material, containing only 59 to 60 per cent U, was unsuitable for calciothermic reduction to uranium metal. Undesirable endothermic reactions, thought to be caused by the excessive amount of sodium fluoride present, led to the formation of sodium metal in large quantities, and also limited the reaction temperature, thus preventing fusion and separation of massive uranium metal.
Book Synopsis Pilot Plant Production of Uranium Tetrafluoride by the Winlo Aqueous Precipitation Process by : Stephen Cseplo
Download or read book Pilot Plant Production of Uranium Tetrafluoride by the Winlo Aqueous Precipitation Process written by Stephen Cseplo and published by . This book was released on 1964 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pilot Plant Production of Thorium Fluoride by : Norman Barson
Download or read book Pilot Plant Production of Thorium Fluoride written by Norman Barson and published by . This book was released on 1955 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The kinetics of the production of ammonium uranous fluoride from uranyl solutions by : Colin Walter Alexander Muir
Download or read book The kinetics of the production of ammonium uranous fluoride from uranyl solutions written by Colin Walter Alexander Muir and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Production of Yellow Cake and Uranium Fluorides by : International Atomic Energy Agency
Download or read book Production of Yellow Cake and Uranium Fluorides written by International Atomic Energy Agency and published by . This book was released on 1980 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reactor Fuel Processing written by and published by . This book was released on 1961 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 1256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis French Process - Fundamental. The Precipitation of Ammonium Uranium Fluoride : Bench-scale Kinetic Tests by :
Download or read book French Process - Fundamental. The Precipitation of Ammonium Uranium Fluoride : Bench-scale Kinetic Tests written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical and infra-red spectrophotometric methods were used to analyse the off-gas from the reaction in which sulphur dioxide is bubbled into a heated solution containing ammonium fluoride and formic acid with or without the presence of uranyl ions. It was found that carbon dioxide is evolved for a relatively short period at a constant rate during the lengthy reaction between sulphur dioxide and formic acid. It is believed that the accompanying constant production of a reducing agent that is capable of reducing uranyl ions is responsible for the zero-order characteristics that have been found when precipitating ammonium uranous fluoride from such a system. From the qualitative observations made when studying off-gas evolution by infra-red spectrophotometric methods, several suggestions have been made that might make the process more attractive economically.
Book Synopsis Proceedings: Nuclear fuels. 1. Fabrication and reprocessing. 2. Types and economics. 3. Raw materials by :
Download or read book Proceedings: Nuclear fuels. 1. Fabrication and reprocessing. 2. Types and economics. 3. Raw materials written by and published by . This book was released on 1965 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1970-10 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reports Received by Division of Technical Information Extension by : U.S. Atomic Energy Commission. Division of Technical Information
Download or read book Reports Received by Division of Technical Information Extension written by U.S. Atomic Energy Commission. Division of Technical Information and published by . This book was released on with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report by : South Africa. Atomic Energy Board
Download or read book Report written by South Africa. Atomic Energy Board and published by . This book was released on 1963 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reactor fuel processing written by and published by . This book was released on 1965 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear fuesls 3: Raw materials by :
Download or read book Nuclear fuesls 3: Raw materials written by and published by . This book was released on 1965 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
