A Model For A Narrow-Cut Fractionating Column
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A mathematical model was developed to simulate the operation of a narrow-cut fractionating column. The model can calculate boiling point and dew point on the feed plate, the number of liquid and vapour moles, the enthalpy of feed and the final product distribution at the top and bottom of the column. The 6-method of convergence for predicting the product composition in bottom product and distillate corresponding to different operating conditions was used. The model was tested using different top pressures (5-30 psig), different feed temperatures (77-107T) and different reflux ratios (1:1 to 1:3). The most effective variable was found to be top pressure. Decreasing the number of plates improved the convergence. Also increasing the number of iterations gave better convergence.
- Engineering Journal of Qatar University - [From 1988 TO 2005] [221 items ]