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 …

Deactivation of zeolites and zeotypes in methanol-to-hydrocarbons catalysis: Mechanisms and circumvention

A Hwang, A Bhan - Accounts of chemical research, 2019 - ACS Publications
Conspectus Solid catalysts deployed in industrial processes often undergo deactivation,
requiring frequent replacement or regeneration to recover the loss in activity. Regeneration …

Development of Tandem Catalysts for CO2 Hydrogenation to Olefins

Z Ma, MD Porosoff - ACS Catalysis, 2019 - ACS Publications
The utilization of CO2 as a carbon source for synthesis of value-added chemicals and fuels,
particularly light olefins, is one of the most attractive routes to convert CO2 as part of a large …

Oxygenate-based routes regulate syngas conversion over oxide–zeolite bifunctional catalysts

Y Ji, P Gao, Z Zhao, D **ao, Q Han, H Chen, K Gong… - Nature Catalysis, 2022 - nature.com
The emerging oxide–zeolite bifunctional catalysis for direct syngas conversion has drawn
extensive interest, both academically and industrially, with further exploration urging a clear …

New insights into catalyst deactivation and product distribution of zeolites in the methanol-to-hydrocarbons (MTH) reaction with methanol and dimethyl ether feeds

JS Martinez-Espin, M Mortén, TVW Janssens… - Catalysis Science & …, 2017 - pubs.rsc.org
Methanol (MeOH) and dimethyl ether (DME) have been compared as feedstock for the
methanol-to-hydrocarbons (MTH) reaction over H-ZSM-5 (MFI), H-SSZ-24 (AFI) and H-SAPO …

Metrics of performance relevant in methanol-to-hydrocarbons catalysis

Z Shi, A Bhan - Journal of Catalysis, 2023 - Elsevier
Mechanistic interpretation of heterogeneous catalytic systems typically requires assessment
of reaction rates and selectivity in the absence of heat and mass transport limitations …

Role of acetaldehyde in the roadmap from initial carbon–carbon bonds to hydrocarbons during methanol conversion

L Yang, T Yan, C Wang, W Dai, G Wu, M Hunger… - ACS …, 2019 - ACS Publications
The formation of the initial carbon–carbon (C–C) bonds in the methanol-to-hydrocarbon
(MTH) conversion on acidic zeolite has been hotly debated for decades. Recently, the …

[HTML][HTML] Progressive steps and catalytic cycles in methanol-to-hydrocarbons reaction over acidic zeolites

L Yang, C Wang, W Dai, G Wu, N Guan, L Li - Fundamental Research, 2022 - Elsevier
Understanding the complete reaction network and mechanism of methanol-to-hydrocarbons
remains a key challenge in the field of zeolite catalysis and C1 chemistry. Inspired by the …

A mechanistic basis for the effect of aluminum content on ethene selectivity in methanol-to-hydrocarbons conversion on HZSM-5

R Khare, Z Liu, Y Han, A Bhan - Journal of Catalysis, 2017 - Elsevier
Increasing crystallize size or aluminum content in MFI-type zeolites independently enhances
the propagation of the aromatics-based methylation/dealkylation cycle relative to that of the …

Selective conversion of syngas into tetramethylbenzene via an aldol-aromatic mechanism

MT Arslan, B Ali, SZA Gilani, Y Hou, Q Wang, D Cai… - Acs …, 2020 - ACS Publications
Selectivity control in the single-step conversion of syngas to a single aromatic product is a
big challenge. Here, we report an aldol-aromatic mechanism composed of aldol, phenolic …