[PDF][PDF] Control of product quality in polymerization processes

FJ Doyle, M Soroush, C Cordeiro - AIChE Symposium Series, 2002 - nt.ntnu.no
The increasingly aggressive global competition for the production of higher quality polymer
products at lower costs, along with a general trend away from new capital investments in the …

Measurement and control of polymerization reactors

JR Richards, JP Congalidis - Computers & chemical engineering, 2006 - Elsevier
The measurement and control of polymerization reactors is very challenging due to the
complexity of the physical mechanisms and polymerization kinetics. In these reactors many …

On‐line inference of polymer properties in an industrial polyethylene reactor

KB McAuley, JF MacGregor - AIChE Journal, 1991 - Wiley Online Library
A major difficulty affecting the control of product quality in industrial polymerization reactors
is the lack of suitable on‐line polymer property measurements. In this article a scheme is …

Computer optimal control of batch polymerization reactors

SR Ponnuswamy, SL Shah… - Industrial & engineering …, 1987 - ACS Publications
This paper presents a theoretical and experimental analysis of theopen-and closed-loop
optimal control of a batch reactor for the solution polymerization of methyl methacrylate. A …

Polymerization online monitoring

E Frauendorfer, A Wolf… - Chemical engineering & …, 2010 - Wiley Online Library
Online monitoring of polymerization reactions is not only important due to the high
exothermic nature of most polymerization systems; the data gained also provides …

Control of polymerization reactors

JR Leiza, JC Pinto - Polymer Reation Engineering, 2008 - Wiley Online Library
Monitoring of polymerization variables is necessary to fully implement advanced closedloop
control strategies and to ensure the consistent, safe and optimal production of polymeric …

Process control of polymerization reactors: An industrial perspective

JP Congalidis, JR Richards - Polymer Reaction Engineering, 1998 - Taylor & Francis
Polymerization reactors usually exhibit complex nonlinear dynamic behavior because of the
complexity of the physicochemical interactions and the kinetics of the polymerization …

Real-time estimation of polymer properties in an industrial polyethylene reactor

TW Karjala, H Meerdink… - Proceedings of the 1997 …, 1997 - ieeexplore.ieee.org
In this paper, we describe and present results from the online, real time implementation of
polymer property estimation techniques for an industrial polymerization reactor. We use …

Algorithmic statistical process control: concepts and an application

SA Vander Wiel, WT Tucker, FW Faltin… - Technometrics, 1992 - Taylor & Francis
The goal of algorithmic statistical process control is to reduce predictable quality variations
using feedback and feedforward techniques and then monitor the complete system to detect …

Intelligent manufacturing of polymers

C Kiparissides, J Morris - Computers & chemical engineering, 1996 - Elsevier
Integrated multivariable process control can have a significant strategic impact on polymer
plant operability and economics. Polymer manufacturers face increasing pressures for …