3D printed versus spherical adsorbents for gas sweetening

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

doi:10.1016/j.cej.2018.09.130

3D printed versus spherical adsorbents for gas sweetening

Vesna Middelkoop (Corresponding author), Kai Coenen, Jonathan Schalck, Martin van Sint Annaland, Fausto Gallucci (Corresponding author)

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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.

Original language	English
Pages (from-to)	309-319
Number of pages	11
Journal	Chemical Engineering Journal
Volume	357
DOIs	https://doi.org/10.1016/j.cej.2018.09.130
Publication status	Published - 1 Feb 2019

Funding

The authors would like to thank N-Wissen GmbH, Germany for kindly supplying NanoSorb® 13X Molecular Sieve beads, GRACE Davison, Belgium for kindly providing SYLOBEAD® MS samples as well as Kureha GmbH, Germany for kindly supplying us with their BAC® (bead-shaped activated carbon) samples. All the authors also gratefully acknowledge the financial support provided by their respective institutions. Appendix A

Keywords

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

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10.1016/j.cej.2018.09.130

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title = "3D printed versus spherical adsorbents for gas sweetening",

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.",

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AU - Middelkoop, Vesna

AU - Coenen, Kai

AU - Schalck, Jonathan

AU - van Sint Annaland, Martin

AU - Gallucci, Fausto

PY - 2019/2/1

Y1 - 2019/2/1

N2 - 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.

AB - 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.

KW - 13X zeolite

KW - 3D printed monolithic adsorbents

KW - Carbon

KW - Gas sweetening

KW - Structured (packed-bed) reactor

KW - Thermal gravimetric analysis (TGA)

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VL - 357

SP - 309

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JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

ER -

3D printed versus spherical adsorbents for gas sweetening

Abstract

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Keywords

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