搜索 - 科创

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减压蒸馏对于浓缩乙醇的效果不显著，产率未测但似乎大量乙醇通过真空泵进入循环水中。原因可能是低温气态共沸乙醇和冷凝管中冷却水温差太小，冷却水无法及时将热量带走，导致冷凝不充分。

这让我想到在浓缩乙醇中乙醇与水发生的共沸，是的，一定比例下水会与乙醇发生共沸从而带出水分。能否利用共沸除去水分呢？

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