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RadFrac Model

Hello can anyone please tell me whats the cloest model to radfrac model of aspen. I have to prepare a flowsheet based on radfrac model in dwsim and its just not converging I tried various models of dwsim


DWSIM 08-10-20, 3:24 p.m. pawan1848
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The functioning of radfrac model in Aspen can be replicated in DWSIM using Distillation column.

The ideal method for simulating a distillation column in DWSIM will be to find out the distillation column inputs (no of stages, feed tray location) by simulating a shortcut column first in DWSIM. Once the shortcut column is simulated, use its result and simulate distillation column. If you face any trouble in simulating a distillation column or getting it converged, you may consider simulating a Chemsep column.

If you want to learn on how to simulate a chemsep column, refer to our spoken tutorial: https://spoken-tutorial.org/watch/DWSIM/Chemsep+Distillation+Column/English/

08-10-20, 3:38 p.m. Priyam_Nayak


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