INVESTIGADORES
HOCH Patricia Monica
artículos
Título:
Optimization of the operating conditions of azeotropic distillation columns with pervaporation membranes
Autor/es:
DAVIOU, MARIA C.; HOCH, PATRICIA M.; ELICECHE, ANA M.
Revista:
LATIN AMERICAN APPLIED RESEARCH
Editorial:
PLAPIQUI(UNS-CONICET)
Referencias:
Año: 2003 vol. 33 p. 177 - 183
ISSN:
0327-0793
Resumen:
The main objective of this work is the
optimization of the operating conditions of azeotropic
distillation columns in hybrid distillation/
pervaporation systems. In the configuration
analyzed, a liquid side stream extracted from the
azeotropic distillation column with the distributing
non-key component is treated in a pervaporation
membrane while the retentate is recycled to the column.
The pervaporation membrane separates the
pure distributing non-key component from the mixture,
thus helping to improve the purity in the top
and/or bottom products of the distillation column.
The case study shows the hybrid process of a distillation
column combined with pervaporation membranes,
compared to the classical two-column process
for Methyl tert-Butyl Ether production. In both
cases, the operating conditions of the distillation columns
such as reflux ratio, product and side draw
flowrates are selected optimally. The numerical results
show a significant reduction in operating cost
obtained by using a pervaporation membrane instead
of the second column in the original process.