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The reason why the titanium liquid is concentrated in vacuum and its requirements

- Mar 02, 2018 -

The reason why the titanium liquid is concentrated in vacuum and its requirements

Since the solution is above the boiling point, it evaporates most rapidly. Titanium liquid boiling point between 104-114 ℃. If heated at such a high temperature evaporation for a long time, the stability of titanium liquid will rapidly decline. Because the critical temperature of hydrolysis of titanium liquid is only 80 ℃, above 80 ℃ will be hydrolysis, which will lead to the early hydrolysis of titanium liquid, which is not suitable for the manufacture of high-quality pigment titanium dioxide. Therefore, the boiling point of titanium solution must be reduced below 80 ℃. To achieve this requirement, you must take the vacuum concentration, because the liquid's boiling point is proportional to the pressure, the lower the pressure, the lower the boiling point. To make the pressure low, it must be concentrated under vacuum reduced pressure, the higher the vacuum, the lower the boiling point. To control the concentration temperature does not exceed 75 ℃, the degree of vacuum must be 8 * 104Pa above.


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