ISSN:
0001-1541
Keywords:
Chemistry
;
Chemical Engineering
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
Notes:
The entrainer feed used in homogeneous azeotropic distillation provides an extra degree of freedom in the steady-state design compared to simple distillation. In this article, we discuss the control of azeotropic distillation columns in the region close to minimum entrainer feed. Both industrial experience and previous research indicate that this is a difficult task. However, by considering the high-frequency behavior (initial response) of the column, we show that tight and robust control can be obtained with simple single-loop PI controllers. The results depend on the presence of high-frequency phenomena such as flow dynamics.
Additional Material:
15 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/aic.690371206
Permalink