New trends in tailoring active sites in zeolite-based catalysts

M Shamzhy, M Opanasenko, P Concepción… - Chemical Society …, 2019 - pubs.rsc.org
This review addresses the recent developments and trends in tailoring the nature and local
properties of active sites in zeolite-based catalysts, with a special focus on novel extra-large …

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 …

Layer like porous materials with hierarchical structure

WJ Roth, B Gil, W Makowski, B Marszalek… - Chemical Society …, 2016 - pubs.rsc.org
Many chemical compositions produce layered solids consisting of extended sheets with
thickness not greater than a few nanometers. The layers are weakly bonded together in a …

Synthesis and post‐synthesis transformation of germanosilicate zeolites

M Opanasenko, M Shamzhy, Y Wang… - Angewandte Chemie …, 2020 - Wiley Online Library
Zeolites are one of the most important heterogeneous catalysts, with a high number of large‐
scale industrial applications. While the synthesis of new zeolites remain rather limited …

Expansion of the ADOR Strategy for the Synthesis of Zeolites: The Synthesis of IPC‐12 from Zeolite UOV

V Kasneryk, M Shamzhy, M Opanasenko… - Angewandte Chemie …, 2017 - Wiley Online Library
The assembly–disassembly–organization–reassembly (ADOR) process has been used to
disassemble a parent zeolite with the UOV structure type and then reassemble the resulting …

Selective recovery and recycling of germanium for the design of sustainable zeolite catalysts

J Zhang, Q Yue, M Mazur, M Opanasenko… - ACS Sustainable …, 2020 - ACS Publications
Germanosilicate zeolites with extra-large-/multidimensional pore systems have a high
potential for catalytic applications. However, their insufficient hydrothermal stability, high …

Catalytic cracking of vacuum gasoil over-SVR, ITH, and MFI zeolites as FCC catalyst additives

AI Hussain, A Palani, AM Aitani, J Čejka… - Fuel Processing …, 2017 - Elsevier
The cracking behaviour of three medium-pore zeolites-SVR, ITH, and MFI, with varying Si/Al
molar ratio, was evaluated using an equilibrium FCC catalyst (E-Cat) and a hydrotreated …

Transformation of extra-large pore germanosilicate CIT-13 molecular sieve into extra-large pore CIT-5 molecular sieve

JH Kang, D Xie, SI Zones, ME Davis - Chemistry of Materials, 2019 - ACS Publications
The 14-and 10-membered ring germanosilicate Ge-CIT-13 (* CTH) is transformed into the
14-membered ring germanosilicate Ge-CIT-5 (CFI). The transformation can occur at room …

Metal–Organic Frameworks M‐MOF‐74 and M‐MIL‐100: Comparison of Textural, Acidic, and Catalytic Properties

C Palomino Cabello, G Gómez‐Pozuelo… - …, 2016 - Wiley Online Library
The impact of the metal nature and framework type on the textural, acidic, and catalytic
properties of M‐MOF‐74 (M= Co, Cu, Mg, Ni) and M‐MIL‐100 (M= Al, Cr, Sc, V) materials …

Balancing Ge de-intercalation and Si re-insertion rates stabilizes hydrolytically labile germanosilicate zeolites

J Zhang, Q Yue, E Shamma, S Abdi, O Petrov… - Journal of Materials …, 2024 - pubs.rsc.org
Germanosilicate zeolites are attractive adsorbents and catalysts, thanks to their diverse
structures and versatile textural properties. However, hydrolytic instability of such zeolites …