Abstract
Dynamic simulation has received researchers’ attention for its practical application in industry. In this work, five control structures are introduced to the reactive dividing-wall column process, with different control strategies of the internal liquid stream across the wall. Controllability of these control structures is investigated and compared. From the result, the control structure that the flowrate of the internal liquid stream is ratioed to the liquid flowrate of the tray of the column, has the best performance among the control structures studied in this work. Furthermore, the feed-flowrate ratio scheme shortens the time reaching a new steady state after the disturbances. The mole fractions of products are kept in acceptable values with acceptable settling times.
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