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Questions about distillation towers

2010-06-14View Original

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This post was last edited by Shuichangshou on 2010-6-14 at 17:15. Let’s discuss why, in our distillation column, the rectification section uses packing while the stripping section uses trays. Why is there negative pressure above the feed tray of the column, while positive pressure exists at both the bottom and top of the column? Yet the product remains of satisfactory quality. The instrument is fine. Why is this? I can’t figure it out.

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