Dynamic model for polyethylene production in a multizone circulating reactor

Nayef M. Ghasem; Wee Lee Ang; Mohamed Azlan Hussain

doi:10.2202/1934-2659.1137

Dynamic model for polyethylene production in a multizone circulating reactor

Nayef M. Ghasem, Wee Lee Ang, Mohamed Azlan Hussain

Department of Chemical & Petroleum

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The multizone circulating reactor (MZCR) technology is a newly announced reactor design for solid-catalyzed gas-phase polymerization. The process is characterized by two hydrodynamically distinct but interconnecting polymerization zones, thus forming a continuous loop of polymer flow between the said zones. In the present study, a dynamic model for the MZCR reactor is developed to illustrate the basic dynamic behavior of the new reactor design; the model is used to study the copolymerization of ethylene with butene. Several parameter sensitivity analyses are performed to show the computer-simulated time responses for reactor temperature, number-average molecular weight, weight-average molecular weight, catalyst feed rate and the monomer concentration along the reactor length.

Original language	English
Article number	1
Journal	Chemical Product and Process Modeling
Volume	3
Issue number	1
DOIs	https://doi.org/10.2202/1934-2659.1137
Publication status	Published - Feb 4 2008

Keywords

Fluidized bed
MZCR
Polyethylene
Polymerization

ASJC Scopus subject areas

General Chemical Engineering
Modelling and Simulation

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10.2202/1934-2659.1137

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abstract = "The multizone circulating reactor (MZCR) technology is a newly announced reactor design for solid-catalyzed gas-phase polymerization. The process is characterized by two hydrodynamically distinct but interconnecting polymerization zones, thus forming a continuous loop of polymer flow between the said zones. In the present study, a dynamic model for the MZCR reactor is developed to illustrate the basic dynamic behavior of the new reactor design; the model is used to study the copolymerization of ethylene with butene. Several parameter sensitivity analyses are performed to show the computer-simulated time responses for reactor temperature, number-average molecular weight, weight-average molecular weight, catalyst feed rate and the monomer concentration along the reactor length.",

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AB - The multizone circulating reactor (MZCR) technology is a newly announced reactor design for solid-catalyzed gas-phase polymerization. The process is characterized by two hydrodynamically distinct but interconnecting polymerization zones, thus forming a continuous loop of polymer flow between the said zones. In the present study, a dynamic model for the MZCR reactor is developed to illustrate the basic dynamic behavior of the new reactor design; the model is used to study the copolymerization of ethylene with butene. Several parameter sensitivity analyses are performed to show the computer-simulated time responses for reactor temperature, number-average molecular weight, weight-average molecular weight, catalyst feed rate and the monomer concentration along the reactor length.

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Dynamic model for polyethylene production in a multizone circulating reactor

Abstract

Keywords

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