Analysis and control of acid sites in zeolites

A Palčić, V Valtchev - Applied Catalysis A: General, 2020 - Elsevier
The exceptional catalytic performance of zeolites is due to the presence of active sites in a
shape-selective environment, ie, in micropores with molecular dimensions. The present …

Aromatics production via methanol-mediated transformation routes

T Li, T Shoinkhorova, J Gascon, J Ruiz-Martinez - ACS Catalysis, 2021 - ACS Publications
The methanol-to-aromatics (MTA) process is regarded as a promising route to produce
aromatic commodities through non-petroleum carbon resources, such as biomass, waste …

Hierarchical zeolite synthesis by alkaline treatment: Advantages and applications

DS Oliveira, RB Lima, SBC Pergher, VPS Caldeira - Catalysts, 2023 - mdpi.com
Zeolites are of great interest to the scientific and industrial communities due to their
interesting catalytic properties, such as high specific area, shape selectivity, and thermal and …

Elemental zoning enhances mass transport in zeolite catalysts for methanol to hydrocarbons

TT Le, W Qin, A Agarwal, N Nikolopoulos, D Fu… - Nature Catalysis, 2023 - nature.com
Mass transport limitations in zeolite catalysts pose major hurdles for their optimal
performance in diverse chemical reactions. Most approaches to reduce these restrictions …

Stable palladium oxide clusters encapsulated in silicalite-1 for complete methane oxidation

T Li, A Beck, F Krumeich, L Artiglia, MK Ghosalya… - Acs …, 2021 - ACS Publications
Zeolite-supported metal catalysts are widely employed in a number of chemical processes,
and the stability of the catalytically active species is one of the most critical factors …

A durable Ni/La-Y catalyst for efficient hydrogenation of γ-valerolactone into pentanoic biofuels

J He, L Lin, M Liu, C Miao, Z Wu, R Chen… - Journal of Energy …, 2022 - Elsevier
Zeolite-supported metal catalysts containing hydrogenation centers and acid sites are
promising in the chemoselective hydrogenation of biomass platform molecules into value …

Zeolite Synthesis under Nonconventional Conditions: Reagents, Reactors, and Modi Operandi

A Deneyer, Q Ke, J Devos, M Dusselier - Chemistry of Materials, 2020 - ACS Publications
A myriad of tetrahedral molecular sieve frameworks, often siliceous, can be calculated in
silico. Only a tiny fraction (< 0.1%) of these can be synthesized on purpose. Only a small …

Interzeolite conversion and the role of aluminum: toward generic principles of acid site genesis and distributions in ZSM-5 and SSZ-13

J Devos, S Robijns, C Van Goethem, I Khalil… - Chemistry of …, 2021 - ACS Publications
The performance of zeolite catalysts depends not only on the strength and number of
Brønsted acid (or exchange) sites but also on synergistic effects derived from their proximity …

Solid-State NMR Probe Molecules for Catalysts and Adsorbents: Concepts, Quantification, Accessibility, and Spatial Distribution

M Dyballa - Energy & Fuels, 2023 - ACS Publications
The application of probe molecules is the state-of-the-art method to quantitatively determine
accessibility and spatial distribution of catalytically active sites on solid materials. Knowing …

The inner heterogeneity of ZSM-5 zeolite crystals

Y Shen, Z Qin, S Asahina, N Asano, G Zhang… - Journal of Materials …, 2021 - pubs.rsc.org
The inner architecture of zeolite crystals beneath the zeolite surface is the missing part in
understanding the crystallization of zeolites and in their thoughtful post-synthesis …