“relative volatility”的概念、定义、翻译、参考文献-科学参考

relative volatility

Chemical Engineering

The ratio of the vapour pressure of one liquid component to another in a heterogeneous mixture and is a measure of their separability. For a binary mixture, the relative volatility can be expressed in terms of the mole fraction of the more volatile component in the liquid and vapour phases, x and y, as:
$α = \frac{y (1 - x)}{x (1 - y)}$

The greater the value of the relative volatility, the greater the degree of separation. If then $y = x$ no separation is possible.

单词	relative volatility
释义	relative volatility Chemical Engineering The ratio of the vapour pressure of one liquid component to another in a heterogeneous mixture and is a measure of their separability. For a binary mixture, the relative volatility can be expressed in terms of the mole fraction of the more volatile component in the liquid and vapour phases, x and y, as: $α = \frac{y (1 - x)}{x (1 - y)}$ The greater the value of the relative volatility, the greater the degree of separation. If then $y = x$ no separation is possible.
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