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3D-Printed Zeolite Monoliths for CO2 Removal from Enclosed Environments

Thakkar, Harshul, Eastman, Stephen, Hajari, Amit, Rownaghi, Ali A., Knox, James C., Rezaei, Fateme·2016·ACS Applied Materials & Interfaces

Abstract

Structured adsorbents, especially in the form of monolithic contactors, offer an excellent gas–solid contacting strategy for the development of practical and scalable CO 2 capture technologies. In this study, the fabrication of three-dimensional (3D)-printed 13X and 5A zeolite monoliths with novel structures and their use in CO 2 removal from air are reported. The physical and structural properties of these printed monoliths are evaluated and compared with their powder counterparts. Our results indicate that 3D-printed monoliths with zeolite loadings as high as 90 wt % exhibit adsorption uptake that is comparable to that of powder sorbents. The adsorption capacities of 5A and 13X monoliths were found to be 1.59 and 1.60 mmol/g, respectively, using 5000 ppm (0.5%) CO 2 in nitrogen at room temperature. The dynamic CO 2 /N 2 breakthrough experiments show relatively fast dynamics for monolithic structures. In addition, the printed zeolite monoliths show reasonably good mechanical stability that can eventually prevent attrition and dusting issues commonly encountered in traditional pellets and beads packing systems. The 3D printing technique offers an alternative, cost-effective, and facile approach to fabricate structured adsorbents with tunable structural, chemical, and mechanical properties for use in gas separation processes.

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Metadata

Authors
Thakkar, H., Eastman, S., Hajari, A., Rownaghi, A. A., Knox, J. C., & Rezaei, F.
Venue
ACS Applied Materials & Interfaces
Published
2016-10-04
Volume
8
Issue
41
Pages
27753-27761
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2521366826
Cited by
284
References
33
FWCI
19.48
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: 3D-Printed Zeolite Monoliths for CO2 Removal from Enclosed Environments. https://app.cochat.ai/papers/10.1021/acsami.6b09647
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Thakkar, H., Eastman, S., Hajari, A., Rownaghi, A. A., Knox, J. C., & Rezaei, F. (2016). 3D-Printed Zeolite Monoliths for CO2 Removal from Enclosed Environments. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.6b09647

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