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Separation of zirconium tetrachloride and hafnium tetrachloride

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专利汇可以提供Separation of zirconium tetrachloride and hafnium tetrachloride专利检索,专利查询,专利分析的服务。并且PURPOSE: To simply separate and recover Zr and Hf meeting standard requirements on a nuclear reactor from a mixture of ZrCl
4 with HfCl
4 by fractionally condensing vapor while feeding the vapor to the middle part of the cooler of a distilling column when the mixture is separated into components by the difference in vapor pressure.
CONSTITUTION: A mixture of ZrCl
4 with HfCl
4 is put in an evaporator 3 and evaporated by heating at ≥450°C under ≥25atm in a furnace 11. The vapor is blown into the middle part of the cooler 7 of a distilling column 4 through valves 13, a liq. phase of ZrCl
4 with low HfCl
4 concn. is stored in a bottom evaporator 5, and vapor contg. concd. HfCl
4 is taken out of the upper part and stored in a storage tank 15. The liq. phase is evaporated by heating with a furnace 20 and stored in a storage tank 19 as a liq. phase contg. 4 contg.,下面是Separation of zirconium tetrachloride and hafnium tetrachloride专利的具体信息内容。

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