Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 24, Issue 55, Pages 14631-14635Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201803637
Keywords
aluminum; chabazite; light olefins; methanol-to-olefin process; zeolites
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Funding
- EU [ERC-AdG-2014-671093]
- Spanish Government-MINECO through Severo Ochoa [SEV-2016-0683, MAT2015-71261-R]
- Fundacion Ramon Areces through a research contract of the Life and Materials Science program
- La Caixa-Severo Ochoa International PhD Fellowship
- China Scholarship Council (CSC)
- MINECO [BES-2013-064347]
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From theoretical calculations and a rational synthesis methodology, it has been possible to prepare nanocrystalline (60-80 nm) chabazite with an optimized framework Al distribution that has a positive impact on its catalytic properties. This is exemplified for the methanol-to-olefin (MTO) process. The nanosized material with the predicted Al distribution maximizes the formation of the required MTO hydrocarbon pool intermediates, while better precluding excessive diffusion pathways that favor the rapid catalyst deactivation by coke formation.
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