ArticleScience advances2022
Dealumination of small-pore zeolites through pore-opening migration process with the aid of pore-filler stabilization.
Article in Science advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 42 citations in OpenAlex.
- Targeted Dealumination via In Situ Activation of Persulfate in Size-Selective Zeolite Channels.The journal of physical chemistry letters · 2025Article
- Evaluation of Zeolite Composites by IR and NMR Spectroscopy.Molecules (Basel, Switzerland) · 2024Article
- Effect of defect-healing treatment on layered silicate precursors toward well-defined crosslinked frameworks.RSC advances · 2024Article
- Temperature-dependent synthesis of dimethyl ether (DME) from methanol over beta zeolite: a novel approach to a sustainable fuel.Royal Society open science · 2023Article
Corrections and comments
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Authors and funding
18 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Small-pore zeolites are gaining increasing attention owing to their superior catalytic performance. Despite being critical for the catalytic activity and lifetime, postsynthetic tuning of bulk Si/Al ratios of small-pore zeolites has not been achieved with well-preserved crystallinity because of the limited mass transfer of aluminum species through narrow micropores. Here, we demonstrate a postsynthetic approach to tune the composition of small-pore zeolites using a previously unexplored strategy named pore-opening migration process (POMP). Acid treatment assisted by stabilization of the zeolite framework by organic cations in pores is proven to be successful for the removal of Al species from zeolite via POMP. Furthermore, the dealuminated AFX zeolite is treated via defect healing, which yields superior hydrothermal stability against severe steam conditions. Our findings could facilitate industrial applications of small-pore zeolites via aluminum content control and defect healing and could elucidate the structural reconstruction and arrangement processes for inorganic microporous materials.
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Registered trials
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