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AN IMPROVED PROCESS FOR THE RECOVERY OF RARE EARTH METALS FROM PERMANENT MAGNETS 发明申请

2023-04-02 2710 2099K 0

专利信息

申请日期 2025-07-09 申请号 WOUS16041685
公开(公告)号 WO2017011368A1 公开(公告)日 2017-01-19
公开国别 WO 申请人省市代码 全国
申请人 UNIVERSITY OF HOUSTON SYSTEM
简介 Systems and methods for recovering rare earth metals from rare earth metal-containing magnets includes fragmenting or commutating the magnets, contacting the commutated magnets with a mixture of low molecular weight carboxylic acids such as formic acid and water, and removing or extracting non-rare earth metal carboxylate phases such as an iron carboxylate (formate) phase from a rare earth metal carboxylate (formate) phase, using a solvent such as water.


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