Metal sites in zeolites: synthesis, characterization, and catalysis

Q Zhang, S Gao, J Yu - Chemical reviews, 2022 - ACS Publications
Zeolites with ordered microporous systems, distinct framework topologies, good spatial
nanoconfinement effects, and superior (hydro) thermal stability are an ideal scaffold for …

Potential and challenges of zeolite chemistry in the catalytic conversion of biomass

T Ennaert, J Van Aelst, J Dijkmans… - Chemical Society …, 2016 - pubs.rsc.org
Increasing demand for sustainable chemicals and fuels has pushed academia and industry
to search for alternative feedstocks replacing crude oil in traditional refineries. As a result, an …

Ethanol conversion to butadiene over isolated zinc and yttrium sites grafted onto dealuminated beta zeolite

L Qi, Y Zhang, MA Conrad, CK Russell… - Journal of the …, 2020 - ACS Publications
Zinc and Yttrium single sites were introduced into the silanol nests of dealuminated BEA
zeolite to produce Zn-DeAlBEA and Y-DeAlBEA. These materials were then investigated for …

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 …

Homogeneous catalysis for the production of low-volume, high-value chemicals from biomass

TA Bender, JA Dabrowski, MR Gagné - Nature Reviews Chemistry, 2018 - nature.com
The transition from petroleum to biorenewable sources of carbon to meet our energy and
chemical feedstock needs is difficult, in part because these sources are so different, with …

Spectroscopic signature of Lewis acidic framework and extraframework Sn sites in beta zeolites

W Dai, Q Lei, G Wu, N Guan, M Hunger, L Li - ACS Catalysis, 2020 - ACS Publications
A variety of Sn-containing Beta zeolites possessing framework or extraframework Sn sites
were prepared by a two-step postsynthesis procedure. The nature of these Sn species was …

Meso-Zr-Al-beta zeolite as a robust catalyst for cascade reactions in biomass valorization

S Song, L Di, G Wu, W Dai, N Guan, L Li - Applied Catalysis B …, 2017 - Elsevier
Abstract Hierarchical Meso-Zr-Al-beta zeolites are successfully prepared through a multiple-
step post-synthesis strategy composed of controlled dealumination, desilicication and metal …

Design of Lewis-acid centres in zeolitic matrices for the conversion of renewables

PY Dapsens, C Mondelli… - Chemical Society Reviews, 2015 - pubs.rsc.org
The catalytic conversion of renewable feedstocks into chemicals is pursued as a means to
sustainably fulfil future societal needs. Due to the oxygen-rich nature of bio-derived …

Acid–base pairs in Lewis acidic zeolites promote direct aldol reactions by soft enolization

JD Lewis, S Van de Vyver… - Angewandte …, 2015 - Wiley Online Library
Abstract Hf‐, Sn‐, and Zr‐Beta zeolites catalyze the cross‐aldol condensation of aromatic
aldehydes with acetone under mild reaction conditions with near quantitative yields. NMR …

Heterogeneous catalysis for bio-based polyester monomers from cellulosic biomass: advances, challenges and prospects

R De Clercq, M Dusselier, BF Sels - Green Chemistry, 2017 - pubs.rsc.org
It is a 21st century challenge to develop a more sustainable chemical industry where fossil-
based resources are, where possible, preferentially replaced by renewable alternatives. Bio …