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Dynamics, Simulation, and Control of a Batch Distillation Column using Labview

Author : Naseer A. Habobi and Sura M. Yaseen

Pages : 303-309
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In this work, the dynamic behaviors of batch distillation introduced by using a step changes in the reflux and find the response of this test on the concentration of distillate methanol. And it has been recognized that first order plus dead time (FOPTD) represent the process dynamics of batch distillation. The operating strategies for batch distillation were studied methanol / water mixture, 30% mole of methanol and 70% mole of water. Batch distillation column with eight trays was operated and controlled in real time by using LabVIEW program; giving the temperatures data and finding the concentration of distillated methanol using an empirical temperature-composition relationship model. Zieglar-Nichols tuning rules were applied to determine the parameters of the implemented PID controller. It was found that 𝑘𝑝=1.93, Ti =2760 sec, 𝑎𝑛𝑑 Td = 690 sec. The comparisons of the designed PID controller with experimental work are included (according to rise time, percentage overshoot and settling time). MATLAB Simulink was used to simulate the system using PID controller.

Keywords: Batch distillation, LabView, Real time control system

Article published in International Journal of Current Engineering and Technology, Vol.6, No.1 (Feb-2016)


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