A model-based approach for controlling particle size distribution in combined cooling-antisolvent crystallization processes

N Ghadipasha, JA Romagnoli, S Tronci… - Chemical Engineering …, 2018 - Elsevier
This article focuses on the design and implementation of model-based control strategies for
real time control of crystal size distribution (CSD) in semi batch crystallization processes …

Combined proportional/integral− inventory control of solution homopolymerization reactors

P González, J Alvarez - Industrial & engineering chemistry …, 2005 - ACS Publications
In this work, a proportional/integral (PI) material-balance scheme to control continuous free-
radical solution homopolymer (possibly open-loop unstable) reactors with level …

Decentralized control of a kinetically controlled ideal reactive distillation column

MVP Kumar, N Kaistha - Chemical Engineering Science, 2008 - Elsevier
Two-point and three-point temperature control structures are proposed for a kinetically
controlled ideal reactive distillation (RD) column. The control structures maintain stable …

Energy saving through control in an industrial multicomponent distillation column

M Porru, R Baratti, J Alvarez - IFAC-PapersOnLine, 2015 - Elsevier
The problem of reducing the energy consumption in an industrial multicomponent distillation
column is addressed. The column is subjected to step feed and distillate flow rates, the …

Estimation structure design for staged systems

C Fernandez, J Alvarez, R Baratti, A Frau - Journal of process control, 2012 - Elsevier
The problem of designing the state estimation structure for staged process is addressed
within a geometric estimation (GE) framework, with the class of binary columns as case …

Two-point composition− temperature control of binary distillation columns

E Castellanos-Sahagún… - Industrial & …, 2006 - ACS Publications
Although the two-input− two-output (2I− 2O) dual composition (DC) and two-point
temperature (TPT) distillation control problems have been studied extensively, the …

Heat and mass transfer of binary distillation in a vertical wetted-wall column

H Park, Y Kim, SJ Kwak, J Choi, SC Yang… - … Research and Design, 2017 - Elsevier
In this study, we investigated the effects of partial condensation on the heat and mass
transfer rates during ethanol–water binary distillation based on a laminar boundary layer …

Synthesis of two-point linear controllers for binary distillation columns

E Castellanos-Sahagún, J Alvarez - Chemical Engineering …, 2006 - Taylor & Francis
The two-point composition control problem of binary distillation columns is addressed. First,
the exact model-based inventory control problem is studied, yielding the underlying …

[HTML][HTML] Adaptive feedback control for a pasteurization process

EDJ Rasmussen, M Errico, S Tronci - Processes, 2020 - mdpi.com
The milk pasteurization process is nonlinear in nature, and for this reason, the application of
linear control algorithms does not guarantee the obtainment of the required performance in …

[PDF][PDF] Implementation of internal model control (IMC) in continuous distillation column

D Muhammad, Z Ahmad, N Aziz - Proceedings of the 5th …, 2010 - researchgate.net
Distillation columns have been widely used in chemical plants for separation process. The
high nonlinearity and dynamic behavior of the column make them hard to control. Internal …