发明名称 |
METHOD OF EXTRACTION OF LITHIUM FROM SOLUTION OF HYDROFLUORIC ACID |
摘要 |
FIELD: hydro metallurgy of rare-earth metals; extraction of lithium from technological solution at high concentration of hydrofluoric acid. SUBSTANCE: lithium is sedimented due to introduction of potassium in the amount of 17 to 120 g/l and or iron or iron compound in the amount of 14 to 100 g/l in items of iron into the potassium hydrofluoride solution. Methods ensures extraction of lithium at content of hydrofluoric acid up to 25%. Degree of extraction is equal to 99.7%. EFFECT: enhanced efficiency. 3 tbl, 3 ex
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申请公布号 |
RU2146224(C1) |
申请公布日期 |
2000.03.10 |
申请号 |
RU19930035082 |
申请日期 |
1993.07.06 |
申请人 |
INSTITUT NEFTE- I UGLEKHIMICHESKOGO SINTEZA PRI IR;ANGARSKIJ EHLEKTROLIZNYJ KHIMICHESKIJ KOMBINAT;ANGARSKIJ EHLEKTROLIZNYJ KHIM |
发明人 |
SORKINA V.I.;KOZLOV A.A.;TSARIK L.JA.;ZUEV S.N.;SORKIN EH.I. |
分类号 |
C01D15/00;(IPC1-7):C01D15/00 |
主分类号 |
C01D15/00 |
代理机构 |
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地址 |
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