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Issues related to vacuum distillation

2011-04-16View Original

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Is it feasible to design a single-column, three-stage distillation process for coal tar with an annual processing capacity of 150,000 tons, using vacuum reduction? With a vacuum device added in the design, will the fractionation tower operate under vacuum conditions? Can the tubular furnace and the first and second stage evaporators operate at atmospheric pressure?
Reply #22011-04-20
Reply 1# aa460274148: The second paragraph is necessary
Reply #32011-04-21
I would like to ask why the second stage is necessary?

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Translated at 2026-07-25 05:44:53

Original: https://bbs.hcbbs.com/thread-828191-1-1.html

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