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首頁 > 技術與支持 > 精密精餾柱的評價和精餾操作

精密精餾柱的評價和精餾操作

點擊次數:1452 發布時間:2016-12-26

精密精餾柱的評價和精餾操作

精餾柱的評價和分餾操作當整個分餾裝置聯接完畢,首先是測試分餾柱的性能。對分餾柱的一些特性的測定對評價一支分餾柱的效率來說是十分重要的,然而在實際應用時它們之間又是相互關聯而不能分割的。即如單純追求理論層數目而增加柱的填充物高度便往往會促進理論層高度值增大,柱的壓力降差增加。又如企圖通過加大蒸發速度去提高輸出能力則往往造成填充物過濕,從而破壞整個動態平衡,增大柱的附液和壓力降差并嚴重地使理論層高度值增大。因此,對一支好的填充式分餾柱來說,應達到盡可能大的理論層數。

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