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| Extraction of Lithium from Spodumene by Sodium Carbonate Autoclave Process |
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Received:April 11, 2011
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.09.006 |
| KeyWord:Spodumene; Sodium carbonate; Autoclave process; Lithium carbonate |
| Author | Institution |
| CHEN Ya |
中南大学冶金科学与工程学院 |
| LIAO Ting |
中南大学冶金科学与工程学院 |
| CHEN Bai-zhen |
中南大学冶金科学与工程学院 |
| TIAN Qian-qiu |
中南大学冶金科学与工程学院 |
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| Abstract: |
| Spodumene concentrate was roasted at 1 050 ℃ and then used for sodium carbonate autoclave process. The operation conditions for autoclave process were optimized. The results show that the extraction can reaches up to 96% under the optimal conditions that stirring speed is 300 r/min, ratio of liquid to solid is 4, and reacting time at 225 ℃ is 60 min. The result is almost the same as that obtained by sulfuric acid method. |
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