四川盆地深层富锂钾硼铷卤水体系相平衡研究及资源综合利用

Management and Research on Scientific & Technological Achievements(2018)

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Abstract
我国钾资源70%依赖进口,探寻、开发新的钾资源是我国长期战略目标.盐湖卤水、地下卤水是重要的钾资源,卤水钾约占我国已查明钾资源的77%.四川盆地地下卤水资源丰富,总量约2060亿立方米,是世界罕见的富钾硼锂铷卤水.该类卤水蒸发过程的显著特点是钾钠硼共析,而非钾钠共析;蒸发至老卤阶段,极易形成钾铷固溶体、锂镁光卤石等混盐.硼钾分离、锂镁分离、铷钾分离是该类型卤水综合利用的关键难题.
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