Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cherd.2008.06.013
Title: Retrofitting conventional column systems to dividing-Wall Columns
Authors: Premkumar, R.
Rangaiah, G.P. 
Keywords: Design
Dividing-Wall Column
Fully Thermally Coupled Distillation System
HYSYS
Retrofitting
Issue Date: Jan-2009
Source: Premkumar, R., Rangaiah, G.P. (2009-01). Retrofitting conventional column systems to dividing-Wall Columns. Chemical Engineering Research and Design 87 (1) : 47-60. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cherd.2008.06.013
Abstract: Distillation, the most common separation process in chemical process industries, requires significant energy inputs. Dividing-Wall Column (DWC), which works on the basis of Fully Thermally Coupled Distillation System (FTCDS), is chosen for this study due to its lower energy consumption compared to the conventional column system. The main objective of this study is to investigate the potential of retrofitting conventional 2-column (C2C) systems in operation for separating ternary mixtures into three products, to DWCs. For this, six applications of industrial importance are selected and conventional 2-column systems are designed, which are assumed to be currently in operation in the plants. Then, retrofitting these systems to DWC is studied. Results show that retrofitting the existing 2-column systems to DWCs is very attractive both economically and for its reduced energy requirements. © 2008 The Institution of Chemical Engineers.
Source Title: Chemical Engineering Research and Design
URI: http://scholarbank.nus.edu.sg/handle/10635/64521
ISSN: 02638762
DOI: 10.1016/j.cherd.2008.06.013
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