Molecular views on mechanisms of brønsted acid-catalyzed reactions in zeolites

C Chizallet, C Bouchy, K Larmier… - Chemical …, 2023 - ACS Publications
The Brønsted acidity of proton-exchanged zeolites has historically led to the most impactful
applications of these materials in heterogeneous catalysis, mainly in the fields of …

Water structures on acidic zeolites and their roles in catalysis

Q Liu, JA van Bokhoven - Chemical Society Reviews, 2024 - pubs.rsc.org
The local reaction environment of catalytic active sites can be manipulated to modify the
kinetics and thermodynamic properties of heterogeneous catalysis. Because of the unique …

Activation and conversion of alkanes in the confined space of zeolite-type materials

P Del Campo, C Martínez, A Corma - Chemical Society Reviews, 2021 - pubs.rsc.org
Microporous zeolite-type materials, with crystalline porous structures formed by well-defined
channels and cages of molecular dimensions, have been widely employed as …

Modification of natural zeolites and their applications for heavy metal removal from polluted environments: Challenges, recent advances, and perspectives

M Senila, O Cadar - Heliyon, 2024 - cell.com
In recent decades, environmental pollution has become a significant problem for human
health and environmental impact. The high accumulation of heavy metals in waters and soils …

Distribution of Aluminum Species in Zeolite Catalysts: 27Al NMR of Framework, Partially-Coordinated Framework, and Non-Framework Moieties

K Chen, Z Gan, S Horstmeier… - Journal of the American …, 2021 - ACS Publications
The structure of aluminum-containing moieties in and within zeolite H-ZSM-5 catalysts is a
complex function of the elemental composition of the catalyst, synthesis conditions …

Toward rational design of Cu/SSZ-13 selective catalytic reduction catalysts: implications from atomic-level understanding of hydrothermal stability

J Song, Y Wang, ED Walter, NM Washton, D Mei… - ACS …, 2017 - ACS Publications
The hydrothermal stability of Cu/SSZ-13 SCR catalysts has been extensively studied, yet
atomic-level understanding of changes to the zeolite support and the Cu active sites during …

Zeolite (in) stability under aqueous or steaming conditions

CJ Heard, L Grajciar, F Uhlík, M Shamzhy… - Advanced …, 2020 - Wiley Online Library
Zeolites are among the most environmentally friendly materials produced industrially at the
Megaton scale. They find numerous commercial applications, particularly in catalysis …

Recent progress in the improvement of hydrothermal stability of zeolites

R Simancas, A Chokkalingam, SP Elangovan, Z Liu… - Chemical …, 2021 - pubs.rsc.org
Zeolites have been successfully employed in many catalytic reactions of industrial
relevance. The severe conditions required in some processes, where high temperatures are …

[HTML][HTML] The future of computational catalysis

J Sauer - Journal of Catalysis, 2024 - Elsevier
The future of computational heterogeneous catalysis is shaped by machine learning in two
different but equally important areas:(i) development of atomistic potentials that closely …

Structure and catalytic characterization of a second framework Al (IV) site in zeolite catalysts revealed by NMR at 35.2 T

K Chen, S Horstmeier, VT Nguyen… - Journal of the …, 2020 - ACS Publications
Ultrahigh field 27Al {1H} 2D correlation NMR experiments demonstrate that at least two
framework Al (IV) sites with hydroxyl groups can exist in acidic zeolite catalysts in their …