This paper mainly declares the method of extracting lithium from lepidolite and preparing the lithium chloride by double-decompose reaction with material lithium sulfate and calcium chloride.
本课题主要从宜春锂云母中提取锂，继而以硫酸锂溶液为原料复分解反应制备氯化锂。
2
The process of synthesis potassium sulfate by phosphogypsum double salt method was studied and improved.