申请日期 | 2025-06-29 | 申请号 | EP10003392 |
公开(公告)号 | EP2218686A1 | 公开(公告)日 | 2010-08-18 |
公开国别 | EP | 申请人省市代码 | 全国 |
申请人 | Molycorp Minerals LLC | ||
简介 | A composition, comprising : (a) an oxidizing agent comprising cerium having a cerium oxidation state of +4 to oxidize arsenic having a +3 oxidation state to arsenic having a +5 oxidation state; and (b) a rare earth-containing precipitating agent comprising a rare earth having a rare earth oxidation state of +3 to precipitate, from an aqueous solution, the arsenic in the +5 oxidation state. |
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