| 老卤蒸发—冷却结晶脱镁的研究 |
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| 引用本文： | 卢光磊,李海民.老卤蒸发—冷却结晶脱镁的研究[J].盐湖研究,2010,18(2). |
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| 作者姓名： | 卢光磊 李海民 |
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| 作者单位： | 1. 中国科学院青海盐湖研究所,青海,西宁,810008;中国科学院研究生院,北京,100039
2. 中国科学院青海盐湖研究所,青海,西宁,810008 |
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| 摘 要： | 采用蒸发—冷却结晶方法,对青海大柴旦盐湖提钾后的老卤进行脱镁试验研究。试验结果表明,一次蒸发温度为125℃时,老卤的镁去除率达到了33%,蒸发冷却后卤水的流动性较好。一次蒸发温度在135℃时,老卤的镁去除率达到了74%以上,但蒸发冷却后的卤水流动性差,过滤性能不佳。二次蒸发采用125℃蒸发后的卤水为原料,没有达到预期效果。
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| 关 键 词： | 老卤 蒸发 脱镁 镁锂分离 |
Magnesium Removal from Bittern by Using Evaporation-Cold Crystallization Method |
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| LU Guang-lei,LI Hai-min.Magnesium Removal from Bittern by Using Evaporation-Cold Crystallization Method[J].Journal of Salt Lake Research,2010,18(2). |
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| Authors: | LU Guang-lei LI Hai-min |
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| Institution: | 1(1.Qinghai Institute of Salt Lakes; Chinese Academy of Sciences; Xining; 810008; China; 2.Graduate University of Chinese Academy of Sciences; Beijing; 100039; China); |
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| Abstract: | Magnesium removal from bittern which extracted potassium was researched by evaporation-cold crystallization method.The removal rate of magnesium reached 33% at first evaporation temperature of 125 ℃ and bittern remainder had good fluidity.The removal rate of magnesium reached above 74% at first evaporation temperature of 135 ℃,but bittern fluidity decreased and filtration performance was not good.Secondary evaporation was also researched by vaporized bittern at 125 ℃ which not being very effective as expect... |
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| Keywords: | Bittern Evaporation Magnesium removal Lithium and magnesium separation |
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