3D printed versus spherical adsorbents for gas sweetening

Vesna Middelkoop, Kai Coenen, Jonathan Schalck, Martin van Sint Annaland, Fausto Gallucci

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A range of adsorbent structures were examined for sour gas removal over a number of conditions by utilising the choice of materials as well as packing geometry as critical factors for the efficient design of the sorbent bed systems. A comparison was made between 13X zeolite and carbon model structures and their conventional equivalents: beads. They were examined for CO2 and H2S adsorption, using thermogravimetric analysis (TGA) and breakthrough measurements in a packed bed reactor (PBR) system. 13X beads exhibited the highest adsorption capacity and longest breakthrough, followed by the printed 13X structures. The adsorption and desorption rates of the 3D printed structures were found to be significantly faster than that of beads. 3D printed adsorbent beds with their highly defined three-dimensional networks are considered advantageous for both temperature swing and pressure swing adsorption allowing for increased mass and heat transfer efficiency and lower pressure drop. The results demonstrate that the 3D printed adsorbents are a promising alternative, ready to assemble in gas sweetening units, exhibiting high adsorption capacity and fast kinetics.

LanguageEnglish
Pages309-319
Number of pages11
JournalChemical Engineering Journal
Volume357
DOIs
StatePublished - 1 Feb 2019

Fingerprint

Adsorbents
Gases
adsorption
Adsorption
gas
Sour gas
Zeolites
Packed beds
Carbon Monoxide
Model structures
Sorbents
pressure drop
zeolite
Pressure drop
heat transfer
Thermogravimetric analysis
low pressure
mass transfer
Desorption
desorption

Keywords

  • 13X zeolite
  • 3D printed monolithic adsorbents
  • Carbon
  • Gas sweetening
  • Structured (packed-bed) reactor
  • Thermal gravimetric analysis (TGA)

Cite this

Middelkoop, Vesna ; Coenen, Kai ; Schalck, Jonathan ; van Sint Annaland, Martin ; Gallucci, Fausto. / 3D printed versus spherical adsorbents for gas sweetening. In: Chemical Engineering Journal. 2019 ; Vol. 357. pp. 309-319
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3D printed versus spherical adsorbents for gas sweetening. / Middelkoop, Vesna; Coenen, Kai; Schalck, Jonathan; van Sint Annaland, Martin; Gallucci, Fausto.

In: Chemical Engineering Journal, Vol. 357, 01.02.2019, p. 309-319.

Research output: Contribution to journalArticleAcademicpeer-review

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