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氯化焙烧法从锂云母中提取锂盐(碳酸锂)工业试验项目已经国家科委和有色金属总公司批准。工业试验草案所拟定的工艺流程,与1976年扩大试验流程相比具有简化操作、母液循环使流程封闭,提高锂的总回收率,合理安排钠、钾、铷、铯付产品的回收,降低材料及燃料、动力消耗,减少设备配置,节省投资和提高全流程技术经济指标等优越牲。北京有色金属研究总院进行了部分补充和改进试验,并获得了较好的效果:
Chlorination roasting method Lithium mica lithium lithium carbonate (lithium carbonate) industrial test project has been approved by the State Science and Technology Commission and non-ferrous metals Corporation. Compared with the expansion of the test procedure in 1976, the industrial process draft has a simplified operation, the mother liquor circulation makes the process closed, the total recovery rate of lithium is increased, the recovery of sodium, potassium, rubidium and cesium by-product is reasonably arranged, and the material is reduced And fuel, power consumption, reduce equipment configuration, save investment and improve the whole process of technical and economic indicators of superior sacrifices. Beijing Nonferrous Metal Research Institute carried out part of the supplement and improve the test, and obtained good results: