关于proⅡ的中的separation factor的理解？ 没想到大家还是很关心这个问题，拿出些时间和大家分享一下心得体会。 1 pro11说明 column separation factor plot this window is used to select the light and heavy key components whose separation factors have to be plotted as a function of the tray number. the plot will be displayed using the default plot viewer, and may be saved in a .plt file. this plot was first suggested by hengstebeck, where the logarithm of the ratio of the light key mole fraction divided by the heavy key mole fraction is plotted versus the tray number. a classic "s" shaped curve is produced, with the inflection point at the column feed tray for properly designed columns. the plot is useful for analysis of the column feed point and tray performance. usage select the light and heavy key components from the drop-down list boxes, where a range of consecutive components may be designated as the light or heavy key by using an ending component different from the beginning component. the light key is that component which is mostly (but not completely) recovered in the overhead product. the heavy key is that component which is mostly (but not completely) recovered in the bottom product. sometimes there is a split key, i.e., a component or components which fall between the light and heavy keys in the column recovery table. selection of the proper key components is essential when using the separation factor profile for column analysis. 2 如图2、3中的解释 3正如2楼所说，此组成为液相组成 4此图在软件的生成图子菜单下设置生成（前提是改模拟文件中含有塔器） 5感觉这只是一种方法，实际问题还要具体分析具体对待，大家可以在自己的设计中对比下，看看是不是符合这个规律。查看更多
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