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Process for the production of a uranium trioxide yellowcake from a uranium peroxide precipitate
Process for the production of a uranium trioxide yellowcake from a uranium peroxide precipitate
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机译:由过氧化铀沉淀物生产三氧化铀黄饼的方法
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摘要
The present invention provides a process for the production of a uranium trioxide yellowcake from a uranium peroxide precipitate, the peroxide precipitate being in the form of a low solids content, uranium rich feed slurry, the process including the stages of: a. thickening the feed slurry to produce a thickener underflow with a solids content in the range of 15 to 50% w/w and a thickener overflow; b. dewatering the thickener underflow to produce a solids cake with a solids content of at least 50% w/w and a dewater overflow; and c. calcining the solids cake at a temperature in the range of 450°C to 480°C to produce a calcined uranium trioxide yellowcake.
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