Slurry-phase ethylene polymerization processes: a review on multiscale modeling and simulations

AK Thakur, SK Gupta, P Chaudhari - Reviews in Chemical …, 2022 - degruyter.com
Slurry polymerization processes using Zeigler–Natta catalysts, are most widely used for the
production of polyethylene due to their several advantages over other processes. Significant …

Insight into the synthesis process of an industrial Ziegler–Natta catalyst

A Klaue, M Kruck, N Friederichs, F Bertola… - Industrial & …, 2018 - ACS Publications
In Ziegler–Natta catalysis, the catalyst particle size has a strong influence not only on
catalyst performance but also on the morphology and particle size distribution of the final …

Multi-objective optimization of an industrial slurry phase ethylene polymerization reactor

AK Thakur, SK Gupta, R Kumar, N Banerjee… - International Journal of …, 2022 - degruyter.com
Slurry polymerization processes using Zeigler–Natta catalysts are most widely used for the
production of polyethylene due to their several advantages over other processes. Optimal …

An effectiveness factor model for slurry phase olefin polymerizations

S Zhang, Q Zhang, B Kong, C Yang, RO Fox - Chemical Engineering …, 2022 - Elsevier
The multigrain model (MGM) is the most widely used single-particle model, giving a detailed
description of phenomena during olefin polymerization. However, the detailed modeling of …

Modeling of Slurry Phase Olefin Polymerizations in a Semibatch Well-Mixed Stirred Tank: Effect of Mass Transfer

S Zhang, Z Jia, B Kong, S Ma, ZS Mao… - Industrial & …, 2023 - ACS Publications
A multiscale model of slurry-phase olefin polymerization is developed by extending the
multigrain model to account for the existence of gas–liquid mass transfer resistance in an …

Development of an Integrated Framework for Multiscale, Multiphase Modeling of Industrial Slurry‐Phase Reactors for Polyethylene Production

Y Zhou, A Alizadeh, B Liu… - Macromolecular Reaction …, 2021 - Wiley Online Library
A framework based on the Monte Carlo/random‐pore polymeric flow model is proposed to
simulate both single‐particle and continuous slurry reactor industrial polymerizations. The …

A dynamic simulator for slurry‐phase catalytic olefin copolymerization in a series of CSTRs: prediction of distributed molecular and rheological properties

P Pladis, A Baltsas, D Meimaroglou… - Macromolecular …, 2018 - Wiley Online Library
A comprehensive mathematical model is developed to simulate the dynamic Ziegler–Natta
ethylene‐α‐olefins copolymerization in a series of slurry‐phase continuous stirred tank …

A comprehensive model for the micro and meso-scale level olefin polymerization: Framework and predictions

S Kulkarni, V Mishra, NM Bontu - Iranian Polymer Journal, 2019 - Springer
A fundamental understanding of the heterogeneous olefin polymerization process is critical
for imparting desired properties to the final polymer product. In this work, we have developed …

Determination of kinetic parameters for ethylene polymerization (with and without hydrogen) by Ziegler-Natta catalyst

SM Ghafelebashi Zaranda, A Safinejad - Polyolefins Journal, 2020 - poj.ippi.ac.ir
In this study, slurry polymerization kinetics of ethylene with TiCl4/Mg (OEt) 2/AlR3 Ziegler-
Natta catalysts in various conditions using the model of sum square error (SSE)(method I) …

Ziegler–Natta catalyst sonofragmentation for controlling size and size distribution of the produced polymer particles

A Klaue, M Kruck, P Binel, N Friederichs… - AIChE …, 2019 - Wiley Online Library
The size of the Ziegler–Natta catalyst (ZNC) particles can have a strong impact on their
activity and the size and size distribution (SD) of the final polymer particles. In this work, we …