The issue of tray temperature in Aspen simulation results
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Using Aspen’s RedFrac to simulate the separation of benzene and toluene, the temperatures of the first dozen or so trays near the top of the column are between 60 and 70 degrees Celsius, which is less than benzene’s boiling point of 80.1 degrees Celsius. What is going on? I am simulating the company’s benzene/toluene tower, with the data obtained from the control room. Only the temperature does not match in the simulation
Check the thermodynamic approach and the operating pressure of the tower.