发明名称 |
METHOD OF PROCESSING NICKEL BEARING RAW MATERIAL |
摘要 |
<p>A hydrometallurgical method of processing nickel containing raw material such is provided. The raw material is leached in chloride-based leaching media in a process integrated with chlorine-alkali electrolysis, solvent extraction and electrowinning process stages for producing metallic nickel. The solvent extraction stage comprises a nickel solvent extraction stage, where nickel is extracted from an aqueous solution containing high concentration of chloride. The electrolyte in the electrowinning stage is a sulphate containing aqueous liquid.</p> |
申请公布号 |
CA2792401(C) |
申请公布日期 |
2015.08.18 |
申请号 |
CA20112792401 |
申请日期 |
2011.03.16 |
申请人 |
OUTOTEC OYJ |
发明人 |
LAITALA, HANNU;KARONEN, JANNE;HAAVANLAMMI, LIISA |
分类号 |
C22B23/00;C22B3/10;C22B7/00 |
主分类号 |
C22B23/00 |
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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