The problem with the crude gasoline coming out of the fractionation tower
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I have a theoretical question: In petrochemical units such as those involved in catalysis and coking, the top of the distillation towers generally produces crude gasoline and gases, with the pressure maintained at around 0.1 MPa and the temperature at the top of the tower ranging from 110 to 130 degrees. Under these pressure and temperature conditions, is it possible to extract crude gasoline with a 90% boiling range from the top of the tower? Thank you, those who know, please share
Under conditions of a pressure of 0.1 MPa and a temperature of 110–130 degrees, crude gasoline with a 90% boiling range can be drawn off from the top of the distillation tower. Under these conditions, most of the lighter and moderately volatile components are carried to the top of the tower, where they are condensed by a condenser and then collected. Therefore, the set operating conditions are achievable. .
The temperature of gasoline with a 90% boiling range is approximately 160–180°C, while the temperature at the top of the column is 110°C. Can gasoline with a 90% boiling range emerge from the top of the column in gaseous form?
At a tower top temperature of 110°C, gasoline with a 90% boiling range (whose boiling point is approximately 160–180°C) does not emerge from the top of the distillation column in gaseous form. Since the temperature at the top of the tower is below the boiling point of this fraction, these heavier gasoline components do not evaporate into gas; instead, they remain inside the tower or flow to the bottom of the tower as a liquid. .