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2018-09-17View Original

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1 la distillationación塔顶轻组分的终馏点跟压力的关系
Reply #22018-09-18
En caso de que顶温不变的情况下,塔顶压力升高,终馏点如何变化?
Reply #32018-09-18
Si la温度不变,压力越高,轻组分越多,所以轻组分馏程越大
Reply #42018-09-18
Si la温度不变,塔压升高,轻组分减少,馏程会变窄。因为你在相同温度下饱和蒸汽压是变化不大的但是你外界的压力高了就不好汽化了。
Reply #52018-09-18
Si你问的是终馏点的话,首先初馏点应该是会减少的。至于这个压力会不会影响终馏点我觉得应该是终馏点降低但是不是很确定。只能确定蒸发量肯定会减少。应该要看你压力增加的多少吧。还需要厉害的师傅帮你看看。哈哈
Reply #62018-09-18
En caso de顶温不变的情况下,塔顶压力升高,塔顶组分会变窄或者说馏程变窄了。俗话说,压力高了,蒸不动了。重组分蒸不上去了。塔顶组分的终馏点(KK值)自然变低了。

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