| 多格错仁盐湖卤水冷冻、日晒两步法浓缩制卤研究 |
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| 引用本文： | 乌志明,郑绵平,刘喜方,乜 贞. 多格错仁盐湖卤水冷冻、日晒两步法浓缩制卤研究[J]. 无机化学学报, 2012, 28(5): 995-1000 |
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| 作者姓名： | 乌志明 郑绵平 刘喜方 乜 贞 |
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| 作者单位： | 中国地质科学院矿产资源研究所、国土资源部盐湖资源与环境重点实验室,北京,100037 |
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| 基金项目： | 中国地质调查局项目，国土资源部"百人计划"，国土资源部盐湖资源与环境重点实验室开放基金资助项目 |
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| 摘 要： | 藏北无人区的多格错仁盐湖水化学类型为氯化物型,该湖水钾、锂资源品位好;结合自然条件制定该低矿化度卤水在高寒区冬季制卤工艺路线。通过冷冻、日晒两步法成功制得了富含钾、锂的精制卤水;对硫酸钙在该卤水蒸发过程中的过饱和溶解度与石膏缓析现象进行了解析。
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| 关 键 词： | 多格错仁 卤水 冷冻 蒸发 CaSO4 |
Concentration of Brines from the Dogai Coring Lake, Northern Tibet, by Using the Two-Step Process: Freezing and Solar Evaporation |
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| WU Zhi-Ming,ZHENG Mian-Ping,LIU Xi-Fang and NIE Zhen. Concentration of Brines from the Dogai Coring Lake, Northern Tibet, by Using the Two-Step Process: Freezing and Solar Evaporation[J]. Chinese Journal of Inorganic Chemistry, 2012, 28(5): 995-1000 |
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| Authors: | WU Zhi-Ming ZHENG Mian-Ping LIU Xi-Fang NIE Zhen |
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| Affiliation: | MLR Key Laboratory of Saline Lake Resources and Environments, Institute of Mineral Resources, CAGS, Beijing 100037, China,MLR Key Laboratory of Saline Lake Resources and Environments, Institute of Mineral Resources, CAGS, Beijing 100037, China,MLR Key Laboratory of Saline Lake Resources and Environments, Institute of Mineral Resources, CAGS, Beijing 100037, China and MLR Key Laboratory of Saline Lake Resources and Environments, Institute of Mineral Resources, CAGS, Beijing 100037, China |
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| Abstract: | The Dogai Coring Salt Lake, located in a depopulated area of northern Tibet, is of chloride type and contains high-grade potassium and lithium resources. A process route for concentrating low-salinity brines in alpine cold areas in winter has been established according to the natural conditions of the lake area. Following the process route, refined brine rich in potassium and lithium has been successfully obtained by using the two-step method of freezing and solar evaporation and the phenomena of supersaturated solubility of calcium sulfate during the brine evaporation and delayed precipitation of gypsum have also been analyzed. |
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| Keywords: | Dogai Coring brine freezing evaporation CaSO4 |
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