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US09458525B2 Method of recovering rare earth elements from oxidized scrap of permanent magnet 有权
从永磁体的氧化废料中回收稀土元素的方法

Method of recovering rare earth elements from oxidized scrap of permanent magnet
Abstract:
Disclosed is a method of recovering a rare earth element from oxidized scrap of permanent magnet. The method includes leaching an oxidized scrap of a permanent magnet from a sulfuric acid solution, and recovering the rare earth element after precipitating the rare earth element contained in the oxidized scrap of the permanent magnet by adding sodium sulfate into the sulfuric acid solution.
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