发明名称 |
METHOD FOR TREATMENT OF ARSENIC-CONTAINING NONFERROUS SMELTING INTERMEDIATE PRODUCT |
摘要 |
<p>The object is to remove arsenic in a stable form from an arsenic-containing smelting intermediate product. Thus, disclosed is a method for treating an arsenic-containing nonferrous smelting intermediate product, which comprises: a leaching step of subjecting a mixed slurry of a nonferrous smelting intermediate product containing arsenic in the form of a sulfide and a nonferrous smelting intermediate product containing arsenic and metal copper to the oxidation/leaching in an acidic range to produce a leaching solution; a solution preparation step of adding an oxidizing agent to the leaching solution to oxidize trivalent arsenic into pentavalent arsenic, thereby producing a preparation solution; and a crystallization step of converting arsenic contained in the preparation solution into a scorodite crystal.</p> |
申请公布号 |
KR20100056491(A) |
申请公布日期 |
2010.05.27 |
申请号 |
KR20107005156 |
申请日期 |
2008.07.11 |
申请人 |
DOWA METALS & MINING CO., LTD. |
发明人 |
ABUMIYA MITSUO;SATO YUSUKE;MIKAMI HIRONOBU;OOUCHI MASAMI;FUJITA TETSUO;MATSUMOTO MASAYOSHI |
分类号 |
C01G28/00;B09B3/00;C22B15/00;C22B30/04 |
主分类号 |
C01G28/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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