What is side-stream extraction in the distillation process?

2017-09-27View Original

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What is side-stream extraction in the distillation process?

Reply #22017-09-27

Generally, it refers to a fraction that is obtained by creating an opening in the middle of a distillation column, atmospheric column, or vacuum column – that is, not at the top nor at the bottom of the column! For example, the first fraction from a vacuum column used in oil refining

Reply #32017-09-27

Sampling at the tray in the atmospheric pressure column closest to the boiling point of ethanol,

Reply #42017-09-28

Methanol distillation pressure columns generally do not have production wells; in atmospheric pressure columns, production wells are usually located at the bottom, and the by-products obtained include ethanol.

Reply #52017-09-28

In multi-component distillation, in addition to obtaining light and heavy component products at the top and bottom of the tower respectively, intermediate component products are obtained through take-offs on the sides

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