Modeling of three-phase continuously operating open-cell foam catalyst packings: Sugar hydrogenation to sugar alcohols

Ali Najarnezhadmashhadi, Catarina G. Braz, Vincenzo Russo*, Kari Eränen, Henrique A. Matos, Tapio Salmi

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
5 Downloads (Pure)

Abstract

An advanced comprehensive and transient multiphase model for a trickle bed reactor with solid foam packings was developed. A new simulation model for isothermal three-phase (gas–liquid–solid) catalytic tubular reactor models was presented where axial, radial, and catalyst layer effects were included. The unique feature of this model is that the material balances include most of the individual terms (i.e., internal diffusion, gas–liquid, and liquid solid mass transfer, kinetics) for solid foam packing which is seldom done. Hydrogenation of arabinose and galactose mixture on a ruthenium catalyst supported by carbon-coated aluminum foams was applied as a fundamentally and industrially relevant case study. Parameter estimations allowed to obtain reliable and significant parameters. The effect of the kinetic parameters and the operation conditions on the arabinose and galactose conversions was studied in detail by sensitivity analysis. The model described is applicable for other three-phase continuous catalytic reactors with solid foam packings.

Original languageEnglish
Article numbere17732
Number of pages15
JournalAIChE Journal
Volume68
Issue number9
DOIs
Publication statusPublished - Sep 2022
MoE publication typeA1 Journal article-refereed

Keywords

  • gPROMS
  • kinetics
  • mass transfer
  • open cell foam catalyst packing
  • structured catalyst
  • trickle bed reactor

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