| 西藏扎布耶盐湖盐田高品位Li2CO3混盐的制取试验及意义 |
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| 关键词:solar pan technology indices for controlling Li+ Li2CO3 Zhabuye in Tibet |
| 基金项目:国家计委攻关项目“西藏扎布耶盐湖Li、B、K综合开发扩大试验研究”(编号:9612064 ); 地质调查项目“西藏高原盐湖资源潜力评价及锂、硼、铯元素提取技术探索研究”(编号:DKD2002001) |
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| 摘要: |
| Experiments on the Preparation of Mixed Salt with High-Content of Li2CO3 in Solar Pan of Zhabuye Saline Lake,Tibet,and Its Significance |
| The Zhabuye saline lake produces natural lithium carbonate (Li 2CO 3), whose solubility decreases with the rising temperature. Nevertheless, the solubility of other saline minerals increases at the same time. Mixed salts in crystallization ponds of different structures have different contents of Li 2CO 3:field type 4.06%, MPES type 2.53%, FPFS type 56.43%. According to the above understanding, the basic train of thought and indices for controlling Li + have been formed: brine is frozen and evaporated in the solar pan, which makes Li + content of brine rise to the saturation point at the brine temperature. Then the temperature is raised without evaporation. After Li + saturation in brine, the controlling index is temperature. |
| ZHAO Yuan-yi,ZHENG Mian-ping,BU Ling-zhong.2003.Experiments on the Preparation of Mixed Salt with High-Content of Li2CO3 in Solar Pan of Zhabuye Saline Lake,Tibet,and Its Significance[J].Acta Geoscientica Sinica,24(5):459-462. |
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