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 …

Clay nanotube-metal core/shell catalysts for hydroprocesses

A Glotov, A Vutolkina, A Pimerzin… - Chemical Society …, 2021 - pubs.rsc.org
Catalytic hydroprocesses play a significant role in oil refining and petrochemistry. The
tailored design of new metal nanosystems and optimization of their support, composition …

Extra‐large‐pore zeolites: bridging the gap between micro and mesoporous structures

J Jiang, J Yu, A Corma - Angewandte Chemie International …, 2010 - Wiley Online Library
The conditions required to produce zeolites with low framework density and extra‐large
pores are discussed. Correlations between framework stability and geometrical and …

Acid-catalyzed synthesis of mono-and dialkyl benzenes over zeolites: Active sites, zeolite topology, and reaction mechanisms

J Čejka, B Wichterlová - Catalysis reviews, 2002 - Taylor & Francis
This review describes mechanisms of catalytic reactions leading to mono-and dialkyl
benzenes over zeolites, which represent an important part of petrochemical products. The …

Gas phase catalysis by zeolites

M Stöcker - Microporous and Mesoporous Materials, 2005 - Elsevier
This paper provides an overview about today's use of zeolites and related microporous
materials as catalysts within the fields of refining, petrochemistry and commodity chemicals …

Where and how shape selectivity of molecular sieves operates in refining and petrochemistry catalytic processes

CR Marcilly - Topics in Catalysis, 2000 - Springer
Zeolites play an important role in many catalytic processes of modern refining and
petrochemistry. Their shape selectivity is always a key factor and here we look at the ways it …

Synthesis and application of Pt-containing catalysts based on mordenite zeolite and natural halloysite nanotubes in the gas-phase isomerization of C-8 aromatic …

GA Kireev, NR Demikhova, MI Rubtsova… - Chemical Engineering …, 2023 - Elsevier
The MOR-type zeolite was synthesized by a template-free method using natural
aluminosilicate halloysite nanotubes (HNT) as a hard template and a source of aluminum …

Mechanisms of xylene isomerization over acidic solid catalysts

M Guisnet, NS Gnep, S Morin - Microporous and mesoporous materials, 2000 - Elsevier
In this review paper, the gas-phase isomerization of xylene over fresh acidic solid catalysts
is shown to occur through the two mechanisms proposed to explain this reaction with Friedel …

Template-controlled acidity and catalytic activity of ferrierite crystals

AB Pinar, C Márquez-Álvarez, M Grande-Casas… - Journal of …, 2009 - Elsevier
A synthesis strategy to tailor the acid sites location in ferrierite crystals has been developed.
The zeolite catalysts were synthesised in fluoride medium using different combinations of …

Computational elucidation of the transition state shape selectivity phenomenon

LA Clark, M Sierka, J Sauer - Journal of the American Chemical …, 2004 - ACS Publications
The most commonly cited example of a transition state shape selective reaction, m-xylene
disproportionation in zeolites, is examined to determine if the local spatial environment of a …