MODELING OF TWO PHASE FLUIDIZED BED REACTOR OF POLYETHYLENE PRODUCTION

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KIASHEMSHAKI A.; MOSTOUFI N.; SOTUODEH GHARAHBAGH R.

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2007 | Volume:26 | Issue:1 Page(s): 51-60

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Title

MODELING OF TWO PHASE FLUIDIZED BED REACTOR OF POLYETHYLENE PRODUCTION

Author(s)

KIASHEMSHAKI A. | MOSTOUFI N. | SOTUODEH GHARAHBAGH R. | Issue Writer Certificate

Keywords

FLUIDIZED BEDQ3

ETHYLENE POLYMERIZATIONQ3

ZIEGLER-NATTAQ3

REACTOR MODELINGQ3

MOMENTS EQUATIONQ3

Abstract

A two phase model is proposed for describing the behavior of FLUIDIZED BED reactor of polyethylene production. In the proposed model, the bed is divided into several serial sections. The flow of the gas is considered as plug flow through the bubbles and perfectly mixed through the emulsion phase in each section. Polymerization reactions occur not only in the emulsion phase. but also in the bubble phase. The concentrations of particles in the emulsion and bubble phase are estimated from the dynamic two phase hydrodynamic model. The kinetic model are employed in this study is based on the moment equations. The results of the simulation are compared with experimental data in terms of melting index and polymer production rate of the product. A good agreement was observed between the simulation results and the actual data. It has been showed that about 20% of the polymer is produced inside the bubble phase and as such can not be neglected in modeling such reactors.

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APA: Copy

KIASHEMSHAKI, A., MOSTOUFI, N., & SOTUODEH GHARAHBAGH, R.. (2007). MODELING OF TWO PHASE FLUIDIZED BED REACTOR OF POLYETHYLENE PRODUCTION. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 26(1), 51-60. SID. https://sid.ir/paper/26198/en

Vancouver: Copy

KIASHEMSHAKI A., MOSTOUFI N., SOTUODEH GHARAHBAGH R.. MODELING OF TWO PHASE FLUIDIZED BED REACTOR OF POLYETHYLENE PRODUCTION. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2007;26(1):51-60. Available from: https://sid.ir/paper/26198/en

IEEE: Copy

A. KIASHEMSHAKI, N. MOSTOUFI, and R. SOTUODEH GHARAHBAGH, “MODELING OF TWO PHASE FLUIDIZED BED REACTOR OF POLYETHYLENE PRODUCTION,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 26, no. 1, pp. 51–60, 2007, [Online]. Available: https://sid.ir/paper/26198/en

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