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METAL COLLECTING METHOD 发明申请

2023-05-20 1740 68K 0

专利信息

申请日期 2025-07-12 申请号 JP2012039921
公开(公告)号 JP2013173994A 公开(公告)日 2013-09-05
公开国别 JP 申请人省市代码 全国
申请人 MITSUBISHI MATERIALS TECHNO CORP
简介 PROBLEM TO BE SOLVED : To provide a metal collecting method by which target metal elements can be efficiently collected from a slug produced during metal refining of a tin slug or the like. SOLUTION : When target rare earth elements are collected from a tin slug produced during tin refining, a molten slug produced in a refining step is quenched at a cooling speed of 300°C/sec or more and is crushed, and then the slug obtained in a step for producing a slug is leached by acid or alkaline to leach the target elements included in the slug. Then, a leaching solution is subjected to at least one processing or a combined processing of at least two processings among neutralization treatment, redox treatment, solvent extraction treatment, precipitation treatment, to collect the target elements. COPYRIGHT : (C)2013, JPO&INPIT


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