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GLOBAL EXTRACTION PROCESS OF URANIUM, ITTRYUM, THORIUM AND RARE EARTHS FROM AN ORGANIC MEDIUM

机译:从有机介质中全球萃取铀,铱,T和稀有金属的过程

摘要

The invention relates to a process for the overall recovery of uranium, yttrium, thorium and rare earths contained in an organic phase. This process is characterized in that said organic phase is brought into contact with at least one diluent chosen from the group consisting of ethers, alcohols, polyols, amides, sulfoxides and ketones, at least one precipitating agent. chosen from the group consisting of ammonia, ammonium salts and fluorides, with the exception of hydrogen fluoride, and an aqueous phase, the diluent being chosen so that a homogeneous medium is obtained with the organic phase and the aqueous phase, whereby a liquid phase and a precipitate are obtained comprising the abovementioned species which are then separated from the liquid phase. This process can in particular be applied to the recovery of these elements from a wet phosphoric acid.
机译:本发明涉及一种整体回收有机相中所含铀,钇,or和稀土的方法。该方法的特征在于,使所述有机相与至少一种选自醚,醇,多元醇,酰胺,亚砜和酮的稀释剂,至少一种沉淀剂接触。选自氨,铵盐和氟化物(氟化氢除外)和水相,选择稀释剂以得到具有有机相和水相的均质介质,其中液相和得到包含上述物质的沉淀,然后将其与液相分离。该方法尤其可以应用于从湿磷酸中回收这些元素。

著录项

  • 公开/公告号CA1230742A

    专利类型

  • 公开/公告日1987-12-29

    原文格式PDF

  • 申请/专利权人 RHONE-POULENC CHIMIE DE BASE;

    申请/专利号CA19840445341

  • 发明设计人 ROLLAT ALAIN;SABOT JEAN-LOUIS;

    申请日1984-01-16

  • 分类号C22B3/00;C22B59/00;C22B60/02;

  • 国家 CA

  • 入库时间 2022-08-22 06:57:13

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