发明授权
- 专利标题: Production of high purity lithium compounds directly from lithium containing brines
- 专利标题(中): 直接从含锂盐水生产高纯度锂化合物
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申请号: US13284445申请日: 2011-10-28
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公开(公告)号: US09005557B2公开(公告)日: 2015-04-14
- 发明人: Andrew John Donaldson , Daniel Alfred Boryta
- 申请人: Andrew John Donaldson , Daniel Alfred Boryta
- 申请人地址: US NC Kings Mountain
- 专利权人: Rockwood Lithium Inc.
- 当前专利权人: Rockwood Lithium Inc.
- 当前专利权人地址: US NC Kings Mountain
- 代理机构: Norton Rose Fulbright US LLP
- 主分类号: C01D15/08
- IPC分类号: C01D15/08 ; C01D3/08 ; C01D15/04 ; C02F1/58
摘要:
A process for reducing the amount of magnesium in a lithium-containing brine by adding an aqueous solution of KCl to the brine to precipitate at least some of the magnesium as carnallite salt is disclosed. Lithium salts prepared using this magnesium removal process are also disclosed.
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