Computational modeling toward full chain of polypropylene production: From molecular to industrial scale

WC Yan, T Dong, YN Zhou, ZH Luo - Chemical Engineering Science, 2023 - Elsevier
Since polypropylene was synthesized in 1954, tremendous breakthroughs have been
achieved in transferring polypropylene from a discovery in the laboratory to an …

CFD simulation of fluidized bed reactors for polyolefin production–A review

MJH Khan, MA Hussain, Z Mansourpour… - Journal of Industrial and …, 2014 - Elsevier
This literature survey focuses on the application of computational fluid dynamics (CFD) in
various aspects of the fluidized bed reactor. Although fluidized bed reactors are used in …

Multiscale modelling of multizone gas phase propylene (co) polymerization reactors—A comprehensive review

K Kulajanpeng, N Sheibat‐Othman… - … Canadian Journal of …, 2022 - Wiley Online Library
Catalysts and polymerization processes have evolved over the years. Such significant
developments have allowed producers to broaden the range of polymer microstructure and …

A CFD-PBM model considering ethylene polymerization for the flow behaviors and particle size distribution of polyethylene in a pilot-plant fluidized bed reactor

Y Che, Z Tian, Z Liu, R Zhang, Y Gao, E Zou, S Wang… - Powder Technology, 2015 - Elsevier
In large-scale industrial fluidized bed reactors (FBRs) for polyethylene (PE) production, the
prediction of the interactions between polymerization, gas–solid two phase flow and particle …

Gas-solid flow in a ring-baffled CFB riser: Numerical and experimental analysis

V Rossbach, J Utzig, RK Decker, D Noriler, C Soares… - Powder technology, 2019 - Elsevier
Circulating fluidized beds (CFBs) are used in a variety of industrial applications in which the
homogeneous distribution of the solid phase is desirable. The core-annulus concentration …

[HTML][HTML] Modeling and Simulation of a Multizone Circulating Reactor for Polyethylene Production with Internal Cooling

N Ghasem - Polymers, 2023 - mdpi.com
Polyolefins play a role in industries and are typically manufactured using two types of
reactors: high-pressure tubular reactors and fluidized bed reactors. An innovative …

Influence of acoustic waves on the solids dispersion in a gas-solid CFB riser: numerical analysis

V Rossbach, N Padoin, HF Meier, C Soares - Powder Technology, 2020 - Elsevier
Ultrasonic waves were applied to improve the gas-solid flow homogeneity in CFB risers. The
aim of this study is to verify if applying ultrasound in the radial direction of a lab-scale CFB …

CFD prediction of scale-up effect on the hydrodynamic behaviors of a pilot-plant fluidized bed reactor and preliminary exploration of its application for non-pelletizing …

Y Che, Z Tian, Z Liu, R Zhang, Y Gao, E Zou, S Wang… - Powder Technology, 2015 - Elsevier
This work aims to explore the scale-up effect on the hydrodynamic natures in a pilot-plant
gas phase ethylene polymerization fluidized bed reactor (FBR) based on two-dimensional …

2D CFD-PBM simulation of hydrodynamic and particle growth in an industrial gas phase fluidized bed polymerization reactor

V Akbari, TNG Borhani, A Shamiri, R Aramesh… - … Research and Design, 2015 - Elsevier
In an industrial fluidized bed polymerization reactor, particle size distribution (PSD) plays a
significant role in the reactor efficiency evaluation. The computational fluid dynamic (CFD) …

Simulation of Molecular and Particle Properties of Polypropylene Produced in Multizone Circulating Reactors

YN Yang, H Liu, LT Zhu, J Jin, XB Zhang… - Industrial & …, 2023 - ACS Publications
Multizone circulating reactor (MZCR) technology is an emerging and advanced olefin
polymerization process, which allows the production of intimate mixtures of polyolefins with …