Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series

孟伟娟; 李建伟; 陈标华; 李洪泊

doi:10.1016/S1004-9541(13)60553-4

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Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series

催化、动力学与反应工程 | Updated：2026-01-06

- Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series
- Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series
- 中国化学工程学报（英文版） 2013年21卷第8期页码：850-8591004-954160553-4
- Affiliations：
  
  2 Yanshan Branch, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation,Beijing,China,102500
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60553-4
  中图分类号：
- 纸质出版：2013
- Accepted：
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孟伟娟, 李建伟, 陈标华, 等. Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series[J]. 中国化学工程学报（英文版）, 2013,21(8):850-8591004-954160553-4.

MENG Weijuan, LI Jianwei, CHEN Biaohua, LI Hongbo. Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series[J]. Chin.J.Chem.Eng., 2013, 21(8): 850-859.
孟伟娟, 李建伟, 陈标华, 等. Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series[J]. 中国化学工程学报（英文版）, 2013,21(8):850-8591004-954160553-4. DOI： 10.1016/S1004-9541(13)60553-4.

MENG Weijuan, LI Jianwei, CHEN Biaohua, LI Hongbo. Modeling and Simulation of Ethylene Polymerization in Industrial Slurry Reactor Series[J]. Chin.J.Chem.Eng., 2013, 21(8): 850-859. DOI： 10.1016/S1004-9541(13)60553-4.

摘要

Abstract

A five-site comprehensive mathematical model was developed to simulate the steady-state behavior of industrial slurry polymerization of ethylene in multistage continuous stirred tank reactors. More specifically

the effects of various operating conditions (i.e.

inflow rates of catalyst

hydrogen and comonomer) on the molecular structure and properties of polyethylene (i.e.

polydispersity index (I

)

melt index

density

etc.) are fully assessed. It is shown that the proposed comprehensive model is capable of simulating the steady-state operation of an industrial slurry stirred tank reactor series. It is demonstrated that changing the catalyst flow rate

changes simultaneously the mean residence-time in both reactors

which plays a significant role on the establishment of polyethylene architecture properties such as molecular mass and I

. The melt index and density of polyethylene are mainly controlled by hydrogen and comonomer concentration

respectively.

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