(Seeking help) Issues with controlling the reduction of the three distillation ranges in a distillation unit

2008-01-23View Original

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Distillation unit -- dry vacuum distillation tower; the vacuum level at the top of the tower is normal. It operates at 20% over normal pressure, while the vacuum stage operates at full capacity; the components in the residue are relatively light. Mass reduction requirement: 2–97% at less than 100°C. The main problem at present is that the 2% point temperature is too low, around 350°C, which results in a boiling range of over 120°C. The relevant books only cover the control of residual carbon; they’re not very useful. Who has a faster way to make adjustments? Thank you first!

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(Seeking help) Issues with controlling the reduction of the three distillation ranges in a distillation unit

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