A versatile mono-quaternary ammonium salt as a mesoporogen for the synthesis of hierarchical zeolites

Aleksei Bolshakov; Arno van Hoof; Brahim Mezari; Nikolay Kosinov; Emiel Hensen

doi:10.1039/C9CY02001B

A versatile mono-quaternary ammonium salt as a mesoporogen for the synthesis of hierarchical zeolites

Aleksei Bolshakov, Arno van Hoof, Brahim Mezari, Nikolay Kosinov, Emiel Hensen (Corresponding author)

Inorganic Materials & Catalysis

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Abstract

Here we report a versatile method to synthesize hierarchically porous zeolites with FER, CHA and MFI topologies by using inexpensive mono-quaternary ammonium N-cetyl-N-methylpyrrolidinium (C ₁₆NMP) as a mesoporogen. Extensive characterization revealed that the mesoporous zeolites are crystalline, possess a high mesopore volume and exhibit comparable Brønsted acidity to their bulk counterparts. Due to the improved accessibility of the microporous domains, these hierarchical zeolites display enhanced performance as catalysts in various reactions such as the dehydration-isomerization of 1-butanol to iso-butene (FER) and methanol-to-hydrocarbons reaction (CHA and MFI).

Original language	English
Pages (from-to)	6737-6748
Number of pages	12
Journal	Catalysis Science & Technology
Volume	9
Issue number	23
DOIs	https://doi.org/10.1039/C9CY02001B
Publication status	Published - 7 Dec 2019

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abstract = "Here we report a versatile method to synthesize hierarchically porous zeolites with FER, CHA and MFI topologies by using inexpensive mono-quaternary ammonium N-cetyl-N-methylpyrrolidinium (C 16NMP) as a mesoporogen. Extensive characterization revealed that the mesoporous zeolites are crystalline, possess a high mesopore volume and exhibit comparable Br{\o}nsted acidity to their bulk counterparts. Due to the improved accessibility of the microporous domains, these hierarchical zeolites display enhanced performance as catalysts in various reactions such as the dehydration-isomerization of 1-butanol to iso-butene (FER) and methanol-to-hydrocarbons reaction (CHA and MFI). ",

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AU - van Hoof, Arno

AU - Mezari, Brahim

AU - Kosinov, Nikolay

AU - Hensen, Emiel

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AB - Here we report a versatile method to synthesize hierarchically porous zeolites with FER, CHA and MFI topologies by using inexpensive mono-quaternary ammonium N-cetyl-N-methylpyrrolidinium (C 16NMP) as a mesoporogen. Extensive characterization revealed that the mesoporous zeolites are crystalline, possess a high mesopore volume and exhibit comparable Brønsted acidity to their bulk counterparts. Due to the improved accessibility of the microporous domains, these hierarchical zeolites display enhanced performance as catalysts in various reactions such as the dehydration-isomerization of 1-butanol to iso-butene (FER) and methanol-to-hydrocarbons reaction (CHA and MFI).

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A versatile mono-quaternary ammonium salt as a mesoporogen for the synthesis of hierarchical zeolites

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