共沸

If no azeotropes are encountered, both overhead and bottom products may be obtained in any desired purity if enough plates and adequate reflux are provided. 只要不出現(xiàn)恒沸物，只要塔板數(shù)足夠多，回流量足夠大，就可以獲得任意純度的塔頂和塔底產(chǎn)品。

A new combination process of distillation with salt extraction for separating organic solvent-water azeotropes 利用分批精餾和鹽效萃取分離有機(jī)溶劑水共沸物的新工藝