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Title: Dynamics and Control of a Bubble Cap Distilation Column
Authors: Jena, H M
Suryanarayana, A
Keywords: distillation column
digital control
analog control
computer control
state equations
Issue Date: 2003
Publisher: CHEMCON
Citation: Indian Chemical Engineering Congress-2003 (CHEMCON-2003), RRL, Bhubaneswar
Abstract: In this work a seven plate, pilot plant type continuous bubble cap distillation column is used. Process dynamic equations are derived using lumped parameter approach, state variable and state equations. The plate efficiency used is 57%, which is calculated using total reflux condition. Using state equations theoretical step responses for feed composition change, feed flow rate change and reflux rate changes are calculated. These are compared with experimental data. Closed loop response studies are done using P and P-I controller to control top product composition by varying reflux. Since D-action software is not working, so P-D and P-I-D are not tested. Conclusions are drawn about the settings to be used on computer-controlled distillation column.
Description: Copyright for the paper belongs to CHEMCON
Appears in Collections:Conference Papers

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