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Thermodynamic calculation of calcium metal prepared by vacuum aluminothermic reduction method

机译：真空铝热还原法制备钙金属的热力学计算

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In references for aluminothermic reduction of metal calcium thermodynamic calculation are choose metal temperature range for the liquid or gaseous state thermodynamics calculation, the results show that the temperature at which the reaction can occur is very high. In this article, by comparing the two calculation methods under normal pressure, the theoretical initial reaction temperature of the four reactions is very high under normal pressure. The lowest temperature is the reaction to generate 3CaO·Al2O3, but the reaction still needs to exceed 2421K. The results of the two calculation methods is very different. These are 222K, 78K, 151K, and 85K. At 10Pa, Theoretical initial reaction temperature of the four reactions are 859K, 877K, 928K, and 878K. If the calculation result of the high-temperature region is substituted for the calculation result of the whole temperature interval, the theoretical initial reaction temperature of the four reactions are respectively 1329K, 1344K, 1374K and 1374K at 10Pa. The difference value of each reaction is 470K, 472K, 446K, and 459K.
机译：在用于铝热还原的金属钙热力学计算参考是选择金属温度范围液态或气态热力学计算时，结果表明，在该反应可发生的温度是非常高的。在本文中，通过比较在常压下的两种计算方法，四个反应的理论初始反应温度是在常压下非常高。的最低温度是产生3CaO·氧化铝的反应，但反应仍然需要超过2421K。的两种计算方法的结果是非常不同的。这些都是222K，78K，151K，85K和。在为10Pa，四个反应的理论初始反应温度是859K，877K，928K，878K和。如果高温区域的计算结果被代入的整个温度间隔的计算结果，四个反应的理论初始反应温度分别为1329K，1344K，1374K和1374K在为10Pa。各反应的差值为470K，472K，446K，459K和。

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