Recent developments and prospectives of acid-base and redox catalytic processes by metal oxides

JC Védrine - Applied Catalysis A: General, 2019 - Elsevier
This review paper deals mainly with acid-base, oxidation catalytic reactions, but also more
general catalytic properties of metal oxides and their recent developments in the field of …

Hierarchical beta zeolites as catalysts in α-pinene oxide isomerization

R Barakov, N Shcherban, P Maki-Arvela… - ACS Sustainable …, 2022 - ACS Publications
Hierarchical beta zeolites obtained in the concentrated reaction mixtures (H2O/Si= 2.5) and
micromesoporous materials synthesized using a dual-template approach from a zeolite beta …

Consequences of Pore Polarity and Solvent Structure on Epoxide Ring-Opening in Lewis and Brønsted Acid Zeolites

DS Potts, JK Komar, MA Jacobson, H Locht… - JACS Au, 2024 - ACS Publications
The structure of solvent molecules within zeolite pores influences the rates and selectivities
of catalytic reactions by altering the free energies of reactive species. Here, we examine the …

Acidity tuning of HZSM-5 zeolite by neutralization titration for coke inhibition in supercritical catalytic cracking of n-dodecane

X **an, M He, Y Gao, Y Bi, Y Chu, J Chen… - Applied Catalysis A …, 2021 - Elsevier
Reducing the acid density and strength of HZSM-5 zeolite are typical strategies to inhibit
coke deposition during catalytic cracking reactions. Herein, direct titration of HZSM-5/H 2 O …

Evaluation of acidity of hierarchical zeolites using a potentiometric titration method

OV Shvets, MM Kurmach, KM Konysheva… - Materials Today …, 2024 - Elsevier
The method of potentiometric titration and corresponding determination of pK a of acid sites
by the Gran method was applied for hierarchical zeolite materials. For hierarchical Al-, Ga …

Responsive Supramolecular Devices Assembled from Pillar [5] arene Nanogate and Mesoporous Silica for Cargo Release

AFM da Silva, NM da Costa… - ACS Applied Nano …, 2022 - ACS Publications
In this work, cationic switchable pillar [5] arene nanogates that bear an imidazolium scaffold
(MIP5+) were constructed, and these nanogates were used to electrostatically interact with …

A reversible, switchable pH-driven quaternary ammonium pillar [5] arene nanogate for mesoporous silica nanoparticles

ECS Santos, TC Dos Santos, TS Fernandes… - Journal of Materials …, 2020 - pubs.rsc.org
Here we describe the assembly and pH-driven operation of two nanocarriers based on non-
functionalized (MCM-41) and carboxylate-functionalized (MCM-41-COOH) containers …

A DFT Study on Single Brønsted Acid Sites in Zeolite Beta and Their Interaction with Probe Molecules

AV Vorontsov, PG Smirniotis, U Kumar - Catalysts, 2023 - mdpi.com
Zeolites are subjects of intensive research, as they have vast industrial applications.
However, exact nature of catalytic active sites remains elusive. With this research, we …

Fluidized-Bed Isobutane Dehydrogenation over Alumina-Supported Ga2O3 and Ga2O3–Cr2O3 Catalysts

AN Matveyeva, NA Zaitseva… - Industrial & …, 2018 - ACS Publications
Dehydrogenation of isobutane to isobutene over supported gallium oxide microspherical
catalysts was investigated in a fluidized-bed reactor. A partially crystallized nanostructured …

Template-free synthesis of highly selective amorphous aluminosilicate catalyst for toluene alkylation

S Peta, T Zhang, V Dubovoy, K Koh, M Hu… - Applied Catalysis A …, 2018 - Elsevier
In this paper, we report a simple template-free synthetic method that produces amorphous,
nanoporous aluminosilicate and highly selective catalyst for toluene alkylation. The structure …