Silanol defect engineering and healing in zeolites: opportunities to fine-tune their properties and performances

IC Medeiros-Costa, E Dib, N Nesterenko… - Chemical Society …, 2021 - pubs.rsc.org
Zeolites have been game-changing materials in oil refining and petrochemistry over the last
60 years and have the potential to play the same role in the emerging processes of the …

Hierarchical hollow zeolite fiber in catalytic applications: A critical review

Y Yang, R Xu, C Zheng, Y Long, S Tang, Z Sun… - Chemosphere, 2022 - Elsevier
Zeolites have widely been studied because of the better performance as catalysts and
supports. However, the zeolites with only micropores have drawbacks in reactivity and …

Toward intrinsic catalytic rates and selectivities of zeolites in the presence of limiting diffusion and deactivation

CW Hullfish, JZ Tan, HI Adawi, ML Sarazen - ACS Catalysis, 2023 - ACS Publications
The goal of atom-and energy-efficient production of fuels and chemicals from renewable (ie,
biomass) and closed-carbon (ie, CO2 and waste plastic) feedstocks requires effective …

The challenge of silanol species characterization in zeolites

F Dubray, E Dib, I Medeiros-Costa, C Aquino… - Inorganic Chemistry …, 2022 - pubs.rsc.org
The chemistry of silica-based materials, including zeolites, is strongly influenced by the
nature and number of their silanols. In zeolites, they are either isolated (non H-bonded) …

Coke formation over zeolite catalysts in light alkanes aromatization and anti-carbon-deposition strategies and perspectives: a review

Y Sun, L Wei, Z Zhang, H Zhang, Y Li - Energy & Fuels, 2023 - ACS Publications
The price of light aromatics, which are important chemical intermediates, is greatly affected
by fluctuations in the oil market, and there is a gap in the supply. It is urgent to expand the …

Preparation of mesoporous ZSM-5 catalysts using green templates and their performance in biomass catalytic pyrolysis

Q Che, M Yang, X Wang, Q Yang, Y Chen, X Chen… - Bioresource …, 2019 - Elsevier
The micropores present in ZSM-5 are beneficial to the production of aromatic compounds in
biomass catalytic pyrolysis, although the small pore size leads to severe coke deposition on …

Unveiling coke formation mechanism in MFI zeolites during methanol-to-hydrocarbons conversion

S Lee, M Choi - Journal of catalysis, 2019 - Elsevier
Coke formation over MFI zeolites of different crystallite sizes was rigorously investigated in
methanol-to-hydrocarbon conversion (MTH). The key experimental idea was based on the …

Controlling the acid-base properties of alumina for stable PtSn-based propane dehydrogenation catalysts

EJ Jang, J Lee, HY Jeong, JH Kwak - Applied Catalysis A: General, 2019 - Elsevier
The surface properties of catalyst supports are important in regulating the catalytic properties
of heterogeneous catalysts. Herein, we studied the effect of acid-base properties of alumina …

Insights into coke location of catalyst deactivation during in-situ catalytic reforming of lignite pyrolysis volatiles over cobalt-modified zeolites

XY Ren, JP Cao, SX Zhao, XY Zhao, XB Feng… - Applied Catalysis A …, 2021 - Elsevier
Abstract HZSM-5, Co-incorporated HZSM-5 (3Co/Z5) and Co-incorporated hierarchical
HZSM-5 (3Co/DZ5) were employed in catalytic reforming of volatiles from lignite pyrolysis in …

Enhancing the catalytic performance of H-ZSM-5 in bio n-butanol dehydration by zeolite crystal engineering

A de Reviere, JP Gilson, V Valtchev, JW Thybaut… - Applied Catalysis B …, 2024 - Elsevier
NH 4 F etching is used as an unbiased chemical etching technique to hierarchize
commercially available nano-sized ZSM-5 crystals. A structure-function relationship is …