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Benzene hydrogenation, extraction distillation, packed tower, tray column, mixing

2019-03-15View Original

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The hydroextractive distillation tower for crude benzene features a packed column (with two layers) on top and a tray column structure below. I forgot what the function of the two packed layers on top is, as well as the function of the layer below; the teacher explained it, but I can’t recall it. . .

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