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电还原-P507萃取分离法从废钕铁硼中回收稀土工业试验

On Rare Earth Recovery Out of Waste Neodymium, Iron and Boron by Electro-reduction and P507 Extraction Separation Method

    摘要
  • 摘要: 在电解槽中连续电还原废钕铁硼分解液，电还原完全后分解液进萃取槽进行萃取分离除铁，连续工业生产，稀土回收率：98.13 %。回收的稀土料液可用于P507-HCl体系稀土分离。

     

    Abstract: Waste neodymium, iron and boron decomposition liquor is electro-reduced continuously in electro-bath. After complete electro-reduction, the decomposition liquor is extracted for removing iron in the extraction tank. The recovery rate of rare earth is 98.13 %. The recovered rare earth feed solution can be applied to P507-HCl system.

     

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