Simulation of the Coupled Mass Transfer and Gas-Solid Reaction in Porous Packed Beds

Ming Chun Li; Jia Tao Liu; Yu Jing; Yan Ping Qu

doi:10.4028/www.scientific.net/AMR.634-638.3088

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Simulation of the Coupled Mass Transfer and...

Simulation of the Coupled Mass Transfer and Gas-Solid Reaction in Porous Packed Beds

Abstract:

According to the continuum assumption and the mass transfer controlled regime, a mathematical model describing the combined diffusion, convection and the reversible chemical reactions in a porous packed bed was established and numerically solved. The simulation results are validated by comparing with the experimental data. The calculated results showed that, an increase in convection velocity causes an increase in Thielet number and an opposite effect for Th/Pe ratio. Therefore, the ability of chemical reaction increases under the condition of increasing convection velocity. But the utilization of reaction gas decreases. The influence of main parameters on the reaction conversion all can be analyzed by calculating the Thiele number and the Peclet number.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

3088-3091

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.3088

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Online since:

January 2013

Authors:

Ming Chun Li, Jia Tao Liu, Yu Jing, Yan Ping Qu

Keywords:

Convection, Diffusion, Overall Rate, Porous Medium, Reversible Chemical Reaction

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