Numerical Simulation on the Preparation of Vinyl Acetate Catalyst in Fluidized Bed

Pan Zhang; Kun Cui; Ning Xu; Guang Jian Wang

doi:10.4028/www.scientific.net/AMR.750-752.1704

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Numerical Simulation on the Preparation of Vinyl Acetate Catalyst in Fluidized Bed

Abstract:

Based on the preparation of zinc acetate/activated carbon catalyst in the fluidized bed reactor, the Eulerian multiphase model in Fluent was used to numerically simulate the gas-liquid-solid flow and the gas-solid-solid flow hydrodynamic characteristics in fluidized beds. The instantaneous phase volume fraction and the flow hydrodynamic characteristics of the three phases were analyzed, and in view of the zinc acetate/activated carbon catalyst with bad uniformity prepared by present method, a new mode of operation with dynamic rules was proposed. The simulation results show that activated carbon particles with different density can realize layer inversion using this mode of operation, and the uniformity of zinc acetate/activated carbon catalyst will be effectively improved.

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Periodical:

Advanced Materials Research (Volumes 750-752)

Pages:

1704-1707

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.1704

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Online since:

August 2013

Authors:

Pan Zhang, Kun Cui, Ning Xu, Guang Jian Wang

Keywords:

Catalyst, Fluidized Bed, Numerical Simulation, Vinyl Acetate

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