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1 Polish Journal of Chemical Technology

1 2015

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One-dimensional isothermal multicomponent diffusion-reaction model and its application to methanol synthesis over commercial Cu-based catalyst

Lei K., Ma H., Zhang H., Ying W., Fang D.

Polish Journal of Chemical Technology

2015

Vol. 17, nr 1

103--109

The present work was a study on global reaction rate of methanol synthesis. We measured experimentally the global reaction rate in the internal recycle gradientless reactor over catalyst SC309. The diffusion-reaction model of methanol synthesis was suggested. For model we chose the hydrogenation of CO and CO2 &enspas key reaction. CO and CO2 &enspwere key components in our model. The internal diffusion effectiveness factors of CO and CO2&enspin the catalyst were calculated by the numerical integration. A comparison with the experiment showed that all the absolute values of the relative error were less than 10%. The simulation results showed that decreasing reaction temperature and catalyst diameter were conducive to reduce the influence of the internal diffusion on the methanol synthesis.