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Modelling of a Cartridge-based Fixed Bed Radial Flow Reactor for Methanol Synthesis

Publicat a:Computer Aided Chemical Engineering. 53 337-342 - 2024-01-01 53(), DOI: 10.1016/B978-0-443-28824-1.50057-0

Autors: Sauerhofer-Rodrigo F; Rodríguez M; Díaz I

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A novel mathematical model for a multitubular cartridge-based fixed bed radial flow reactor for methanol synthesis has been developed. This type of reactors has the advantage of having a lower effective bed thickness, resulting in a lower pressure drop and thus, improving the operational costs of the plant. The model has been evaluated using the original and a refitted Van der Graaf kinetics, showing a much better methanol yield using the latter. The sensitivity analysis results show that above 20 cartridges per tube, the methanol yield barely improves. Additionally, there is a trade-off between the pressure drop and the methanol yield. It is suggested to perform a full techno-economic and sustainability assessment including the full recycle loop to compare it with the conventional multitubular fixed bed reactor.

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