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Researching About Removing Cadmium From Thallium-bearing Materials With Vacuum Distillation

机译：用真空蒸馏从含铊材料去除镉的研究

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Dealing with thallium-bearing materials by vacuum distillation under the condition of 400～700°C and 10-60 Pa. Measured contents of Cd,Tl and Pb under these temperatures. Analzed relations between evaporation rate, residue duty of Cd with temperatures, and The relyations that between evaporation rate, evaporative duty of Tl and Pb with temperatures. Least square method is used to fit the relations and got that the most suitable temperature for evaporating Cd is 560°C; Analyzed the relations between the activity coefficients ratio of Cd-Tl system and Cd-Pb system and temperatures as well as mole fractions, also got fitted equations of them; Analyzed the relation between gas-liquid contents of Cd-Tl, Cd-Pb systems and temperatures. It is valuable for extracting Tl, Pb with vacuum distillation.
机译：在400〜700°C和10-60Pa条件下通过真空蒸馏处理含金材料。在这些温度下测量CD，T1和Pb的含量。蒸发速率与温度的蒸发速率，残留义的关系，以及在温度下蒸发速率，T1和Pb的蒸发速率之间的依赖性。最小二乘法用于适应关系，并得到最合适的蒸发Cd的温度为560°C;分析了CD-TL系统和CD-PB系统的活动系数比和温度以及摩尔分数的关系，也有它们的装配方程;分析了CD-TL，CD-PB系统和温度的气液含量与温度的关系。用真空蒸馏提取TL，PB是有价值的。

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