发明名称 |
METHOD FOR RECOVERING LITHIUM CARBONATE |
摘要 |
<p>A method and arrangement for recovering lithium carbonate from a raw material containing lithium, which method comprises pulping (1) the raw material containing lithium in the presence of water and sodium carbonate for producing a slurry containing lithium from the raw material containing lithium. After pulping the lithium-containing slurry is leached (2) for dissolving the lithium in the solution thus producing a solution containing lithium carbonate. After pulping and leaching the method comprises carbonating (3) the solution containing lithium carbonate by using carbon dioxide under atmospheric conditions for producing a solution containing lithium bicarbonate and separating (4) the solids form the solution. The solution containing lithium bicarbonate is purified (5) to produce a purified solution containing lithium bicarbonate, and recovering by crystallising (6) lithium carbonate from the purified lithium bicarbonate- containing solution.</p> |
申请公布号 |
WO2013140039(A1) |
申请公布日期 |
2013.09.26 |
申请号 |
WO2013FI50307 |
申请日期 |
2013.03.19 |
申请人 |
OUTOTEC OYJ |
发明人 |
TIIHONEN, MARIKA;HAAVANLAMMI, LIISA |
分类号 |
C01D15/08;C01D7/06;C22B3/04;C22B26/12 |
主分类号 |
C01D15/08 |
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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