Small-pore zeolite and zeotype membranes for CO2 capture and sequestration – A review

The increasing anthropological CO2 emission prompts an urgent solution for better carbon extraction technologies from CO2 point sources. Likewise, natural gas processes require similar CO2 capture technologies for natural gas refining and biogas upgrading. Recently, the number of studies in CO2 remo...

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Bibliographic Details
Published in:	Journal of environmental chemical engineering Vol. 10; no. 6; p. 108707
Main Authors:	Rahmah, W., Kadja, G.T.M., Mahyuddin, M.H., Saputro, A.G., Dipojono, H.K., Wenten, I.G.
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 01-12-2022
Subjects:	Biogas-upgrading Carbon capture and sequestration CO2 extraction Natural gas sweetening Zeolite membrane Zeotype membrane Carbon capture and sequestration Natural gas sweetening Zeotype membrane Biogas-upgrading CO2 extraction Zeolite membrane
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Summary:	The increasing anthropological CO2 emission prompts an urgent solution for better carbon extraction technologies from CO2 point sources. Likewise, natural gas processes require similar CO2 capture technologies for natural gas refining and biogas upgrading. Recently, the number of studies in CO2 removal processes using zeolite and zeotype membranes has been increasing. Zeolite frameworks having micropores composed of 8 T-atoms are of particular interest since they have similar pore sizes to the kinetic diameter of light gases. Exploration of the newer small-pore zeolite framework such as CHA, DDR, AEI, LTA, and ERI give many options for the preparation of high-performance zeolite/zeotype membrane for CO2 removal and or CO2 capture. Herein, up-to-date small-pore zeolite/zeotype membranes are reviewed, and the prospects of these membranes are also discussed. [Display omitted] •The small-pore zeolitic membranes made of 8 T-atoms are excellent for carbon capture from mixtures of light gases,•The small-pore zeolitic membranes' performances on H2/CO2 separation is comparable with some pristine polymeric membranes,•Some small-pore zeolitic membranes displayed moderate CO2/N2 selectivities. However, the CO2 permeances are extraordinary,•The small-pore zeolitic membranes are suitable for CO2/CH4 separation, i.e., natural gas sweetening and biogas upgrading.
ISSN:	2213-3437 2213-3437
DOI:	10.1016/j.jece.2022.108707