Making Nanosized CHA Zeolites with Controlled Al Distribution for Optimizing Methanol‐to‐Olefin Performance
Chemistry–A European Journal, 2018•Wiley Online Library
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.
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.
Abstract
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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