Jacket temperature regulation allowing well-defined non-adiabatic lab-scale solution free radical polymerization of acrylates

M Edeleva, YW Marien… - Reaction Chemistry & …, 2021 - pubs.rsc.org
Conventional batch solution free radical polymerization (FRP) of n-butyl acrylate (nBuA) with
thermal initiators such as 2, 2′-azobis (2-methylpropionitrile)(AIBN) is known to be strongly …

[HTML][HTML] The hidden secrets of the average number of radicals per particle (n¯) and their implications in control of emulsion polymerization reactors

K Farajzadehahary, S Hamzehlou, N Ballard… - Chemical Engineering …, 2024 - Elsevier
Emulsion polymerization is the method of choice to produce waterborne polymers but is
susceptible to run-to-run variations. This variability is hard to avoid because on-line …

Bringing the on‐line control and optimization of semibatch emulsion copolymerization to the pilot plant

A Zubov, O Naeem, SO Hauger… - Macromolecular …, 2017 - Wiley Online Library
Due to hardening competition and increased focus on resource efficiency, efforts are made
to develop advanced industrial optimization and control systems with the goal to shift the …

Support vector machines combined to observers for fault diagnosis in chemical reactors

N Sheibat‐Othman, N Laouti, JP Valour… - … Canadian Journal of …, 2014 - Wiley Online Library
A hybrid data/model‐based approach is proposed for fault detection and isolation for
chemical reactions in jacketed stirred vessels. Using data‐based methods in high nonlinear …

Simulation of pilot-and industrial-scale vinyl chloride batch suspension polymerization reactors

J Wieme, T De Roo, GB Marin… - Industrial & engineering …, 2007 - ACS Publications
A complete model for the simulation of vinyl chloride batch suspension polymerization
reactors, capable of calculating pilot-scale and industrial-scale reactors, is developed. The …

Model-based optimization of semibatch emulsion polymerization of styrene

ES Schultz, N Sheibat-Othman, A Mitsos… - Industrial & …, 2020 - ACS Publications
Emulsion polymerization reactors usually operate under starved conditions to better control
the polymer properties and keep a safe operation. The main drawback is the low productivity …

Multivariable control of the polymer molecular weight in emulsion polymerization processes

N Sheibat-Othman, S Othman, O Boyron… - Journal of Process …, 2011 - Elsevier
A multivariable control strategy is developed to control the polymer molecular weight in
emulsion polymerization processes while maximizing the reaction rate by manipulating the …

Dynamic optimization and experimental validation of a pilot scale emulsion polymerization reactor

AA Herrera, B Raba, G Rodríguez, ID Gil - Chemical Engineering and …, 2019 - Elsevier
Dynamic optimization of the emulsion polymerization of vinyl acetate in a pilot scale stirred-
tank reactor was studied. The objective function was defined in order to minimize the …

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 …

Constrained nonlinear predictive control for maximizing production in polymerization processes

M Alamir, N Sheibat-Othman… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
In this brief, a new constrained nonlinear predictive control scheme is proposed for
maximizing the production in polymerization processes. The key features of the proposed …