Experimental Quantification of Gas Dispersion in 3D-Printed Logpile Structures Using a Noninvasive Infrared Transmission Technique

Leon R.S. Rosseau, Merlijn Schinkel, Ivo Roghair, Martin van Sint Annaland (Corresponding author)

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Abstract

3D-printed catalyst structures have the potential to broaden reactor operating windows. However, the hydrodynamic aspects associated with these novel catalyst structures have not yet been quantified in detail. This work applies a recently introduced noninvasive, instantaneous, whole-field concentration measurement technique based on infrared transmission to quantify the rate of transverse gas dispersion in 3D-printed logpile structures. Twenty-two structural variations have been investigated at various operating conditions, and the measured transverse gas dispersion has been correlated to the Péclet number and the structures’ porosity and feature size. It is shown that staggered configurations of these logpile structures offer significantly more tunability of the dispersion behavior compared to straight structures. The proposed correlations can be used to facilitate considerations of reactor design and operating windows.
Original languageEnglish
Pages (from-to)236-247
Number of pages12
JournalACS Engineering Au
Volume2
Issue number3
DOIs
Publication statusPublished - 15 Jun 2022

Keywords

  • Structured reactors
  • 3D-printing
  • Additive Manufacturing
  • Catalyst structuring
  • Logpile structure
  • Gas dispersion
  • Infrared transmisstion technique

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