Article ID Journal Published Year Pages File Type
686985 Chemical Engineering and Processing: Process Intensification 2013 14 Pages PDF
Abstract

•Studying the necessity of manipulating vapour split in Kaibel arrangements.•Identifying the benefit of using active VS control versus the possible loss of a fixed split ratio.•Approach 1: Vmin diagram to study the effect of VS on energy needs for different feed compositions.•Approach 2: rigorous simulations using UNISIM.•On-line adjustment of the vapour split helps handling expected feed property variations.

In this paper, we want to show how we can gain more from a Kaibel distillation column by considering a degree of freedom which is normally not used. Two methods are used to study the effect of vapour split manipulation, namely a shortcut method and rigorous simulations. Using a case-study, we show that we may not be able to operate close to minimum energy requirement for some feed disturbances as we have the vapour split fixed.

Related Topics
Physical Sciences and Engineering Chemical Engineering Process Chemistry and Technology
Authors
, , ,