Modelling of Packed Bed and Coated Wall Microreactors for 6 Methanol Steam Reforming for Hydrogen Production

Journal article


Constantinou, A., Hafeez, S., Aristodemou, E. and S.M, A.-S. (2020). Modelling of Packed Bed and Coated Wall Microreactors for 6 Methanol Steam Reforming for Hydrogen Production. RSC Advances: an international journal to further the chemical sciences. 68. https://doi.org/10.1039/D0RA06834A
AuthorsConstantinou, A., Hafeez, S., Aristodemou, E. and S.M, A.-S.
Abstract

A Computational Fluid Dynamics (CFD) study has been conducted to assess the performance of packed bed and coated wall 9 microreactors for the steam reforming of methanol with a CuO/ZnO/Al2O3 based catalyst (BASF F3-01). The results obtained 10 were compared to experimental data from literature to assess the validity and robustness of the models, and a good 11 validation has been obtained. The performance of the packed bed and coated wall microreactors are similar at a constant 12 reforming temperature. It was found that methanol conversion is enhanced with increasing temperature, residence time, 13 steam to methanol ratio, and catalyst coating thickness. Furthermore, internal and external mass transfer phenomena were 14 investigated using the models, and it was found that there were no internal and external mass transfer resistances for this 15 reactor configurations. Further studies demonstrated that larger catalyst pellet sizes led to the presence of internal mass 16 transfer resistances, which in turn causes lower methanol conversions. The CFD models have exhibited a sound agreement 17 with the experimental data, hence they can be used to predict the steam reforming of methanol in microreactors.

Year2020
JournalRSC Advances: an international journal to further the chemical sciences
Journal citation68
PublisherRoyal Society of Chemistry
ISSN2046-2069
Digital Object Identifier (DOI)https://doi.org/10.1039/D0RA06834A
Publication dates
Print13 Nov 2020
Publication process dates
Accepted02 Nov 2020
Deposited17 Nov 2020
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Open
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