This is a detailed review on olefin polymerization models, and the most recent process
control approaches used to control these nonlinear systems are presented. Great focus has …

A two-phase dynamic model, describing gas phase propylene polymerization in a fluidized
bed reactor, was used to explore the dynamic behavior and process control of the …

A modified two-phase model is presented to describe the process of gas phase propylene
and ethylene copolymerization in a fluidized bed reactor (FBR). Entrainment of solid …

This article addresses the problem of output feedback control of dissipative distributed
parameter systems. The reduced order model used for controller and observer synthesis is …

Background In this study, we present the developments in modeling gas-phase catalyzed
olefin polymerization fluidized bed reactors (FBR) using chromium catalyst technique. The …

A modified two-phase model for gas phase propylene and ethylene copolymerization was
chosen to represent the process in a fluidized bed reactor. This model considered the …

Polymer quality control in an industrial scale polyethylene fluidized bed reactor has been
addressed. Since online measurements of polymer properties (melt index and density) are …

A modified two-phase model for gas phase ethylene and propylene copolymerization was
used to describe the process in a fluidized bed reactor. The process model considered solid …

The highly exothermal polymerization reaction needs an efficient cooling system in order to
avoid thermal runaways. The thermal agent flowrate or inlet temperature may represent the …

The worldwide demand for polyolefins has reached more than 140 million tons per year and
low-pressure processes using different catalytic systems are utilized to produce more than …