Hierarchical zeolites: Synthesis and catalytic properties

A Feliczak-Guzik - Microporous and Mesoporous Materials, 2018 - Elsevier
Synthesis, characterization and application of hierarchical zeolites are becoming a subject
of increasing interest among scientists. Hierarchical zeolites possessing secondary porosity …

Catalytic test reactions for the evaluation of hierarchical zeolites

M Hartmann, AG Machoke, W Schwieger - Chemical Society Reviews, 2016 - pubs.rsc.org
Hierarchical zeolites have received increasing attention in the last decade due to their
outstanding catalytic performance. Several types of hierarchical zeolites can be prepared by …

b-Axis-Oriented ZSM-5 Nanosheets for Efficient Alkylation of Benzene with Methanol: Synergy of Acid Sites and Diffusion

J Zhang, A Zhou, K Gawande, G Li, S Shang… - ACS …, 2023 - ACS Publications
ZSM-5 nanosheets are promising catalysts for the catalytic reactions controlled by diffusion
limitations. This study reveals its significant application in the alkylation of benzene with …

Catalytic fast pyrolysis of biomass: superior selectivity of hierarchical zeolites to aromatics

LY Jia, M Raad, S Hamieh, J Toufaily, T Hamieh… - Green …, 2017 - pubs.rsc.org
The catalytic fast pyrolysis of oak over two zeolites (microporous and hierarchical) was
investigated in a microfluidized bed reactor (MFBR) at 500° C and as a function of the …

On the remarkable resistance to coke formation of nanometer-sized and hierarchical MFI zeolites during ethanol to hydrocarbons transformation

L Lakiss, F Ngoye, C Canaff, S Laforge, Y Pouilloux… - Journal of …, 2015 - Elsevier
The impact of the textural properties of H-ZSM-5 zeolites in the conversion of ethanol to
hydrocarbons at 623 K and under 3.0 MPa pressure is investigated. We highlight that the …

Mesoporous zeolites by fluoride etching

Z Qin, JP Gilson, V Valtchev - Current Opinion in Chemical Engineering, 2015 - Elsevier
Highlights•Hierarchical zeolites are obtained by fluoride etching.•Indiscriminate extraction of
Si and Al from the zeolite framework takes place.•Such hierarchical zeolites retain the …

Core–shell metal zeolite composite catalysts for in situ processing of Fischer–Tropsch hydrocarbons to gasoline type fuels

J Prech, DR Strossi Pedrolo, NR Marcilio, B Gu… - ACS …, 2020 - ACS Publications
Fischer–Tropsch synthesis has two main challenges related to direct production of gasoline
fuels. First, the chain length distribution of the products follows a broad and unselective …

Strategy towards enhanced performance of zeolite catalysts: raising effective diffusion coefficient versus reducing diffusion length

P Peng, D Stosic, XM Liu, ZF Yan, S Mintova - Chemical Engineering …, 2020 - Elsevier
In the present study, two strategies for improving the catalyst efficiency either by (1) raising
the effective diffusion coefficient or (2) reducing the diffusion length of zeolite catalysts are …

Catalytic Fast Pyrolysis of Biomass over Hierarchical Zeolites: Comparison of Mordenite, Beta, and ZSM-5

L Pinard, L Jia, N Pichot, A Astafan, A Dufour - Energy & Fuels, 2024 - ACS Publications
Biomass catalytic fast pyrolysis is a promising process, but its development is still hampered
by the formation of coke, which reduces the carbon selectivity of the process to the targeted …

Tuning zeolite properties for a highly efficient synthesis of propylene from methanol

A Palčić, VV Ordomsky, Z Qin… - … A European Journal, 2018 - Wiley Online Library
A series of nanosized ZSM‐5 samples was synthesized at 170, 150, 120, and 100° C.
Experimental data show that the decrease of crystallization temperature leads to significant …