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OPERATION AND CONTROL OF DIVIDING WALL DISTILLATION COLUMNS Part 2: Simulation and Pilot Plant Studies Using Temperature Control

Abdul Mutalib , M I and Zeglam, A O and Smith , R (1998) OPERATION AND CONTROL OF DIVIDING WALL DISTILLATION COLUMNS Part 2: Simulation and Pilot Plant Studies Using Temperature Control. Trans IChemE, Vol 76 (Part A). pp. 319-334.

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Abstract

This paper follows on from preliminary work to investigate the theoretical aspects of control of dividing wall columns in Part 1 of this paper. Two different control arrangements have been investigated using temperature control. Dynamic simulation was ® rst used to test the control con® gurations. These were then investigated in a large-scale pilot plant. The simulation and pilot plant runs show the same basic trends from the control arrangements. In all cases, the control arrangements investigated proved to give a stable response to ¯ uctuations in the feed to the column. Temperature control resulted in an off-set in one of the product purities. This was demonstrated in both simulation and practical runs. A procedure has been suggested to overcome this off-set by over-re¯ uxing the column. The procedure allows the column to be designed for minimum over-re¯ uxing.

Item Type:Article
Subjects:T Technology > TP Chemical technology
Departments / MOR / COE:Departments > Chemical Engineering
ID Code:1454
Deposited By: Assoc Prof Dr Mohamed Ibrahim Abdul Mutalib
Deposited On:22 Apr 2010 05:31
Last Modified:19 Jan 2017 08:27

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