Direct conversion of methane to value-added chemicals over heterogeneous catalysts: challenges and prospects

P Schwach, X Pan, X Bao - Chemical reviews, 2017 - ACS Publications
The quest for an efficient process to convert methane efficiently to fuels and high value-
added chemicals such as olefins and aromatics is motivated by their increasing demands …

The Role of In Situ/Operando IR Spectroscopy in Unraveling Adsorbate-Induced Structural Changes in Heterogeneous Catalysis

E Groppo, S Rojas-Buzo, S Bordiga - Chemical Reviews, 2023 - ACS Publications
Heterogeneous catalysts undergo thermal-and/or adsorbate-induced dynamic changes
under reaction conditions, which consequently modify their catalytic behavior. Hence, it is …

Future challenges in heterogeneous catalysis: understanding catalysts under dynamic reaction conditions

KF Kalz, R Kraehnert, M Dvoyashkin… - …, 2017 - Wiley Online Library
Abstract In the future,(electro‐) chemical catalysts will have to be more tolerant towards a
varying supply of energy and raw materials. This is mainly due to the fluctuating nature of …

Identifying Performance Descriptors in CO2 Hydrogenation over Iron‐Based Catalysts Promoted with Alkali Metals

Q Yang, VA Kondratenko, SA Petrov… - Angewandte Chemie …, 2022 - Wiley Online Library
Alkali metal promoters have been widely employed for preparation of heterogeneous
catalysts used in many industrially important reactions. However, the fundamentals of their …

Forty years of temporal analysis of products

K Morgan, N Maguire, R Fushimi, JT Gleaves… - Catalysis Science & …, 2017 - pubs.rsc.org
A detailed understanding of reaction mechanisms and kinetics is required in order to
develop and optimize catalysts and catalytic processes. While steady-state investigations …

Unravelling the Different Reaction Pathways for Low Temperature CO Oxidation on Pt/CeO2 and Pt/Al2O3 by Spatially Resolved Structure–Activity Correlations

AM Gänzler, M Casapu, DE Doronkin… - The Journal of …, 2019 - ACS Publications
Spatially resolved operando HERFD-XANES (high energy resolution fluorescence detected
X-ray absorption near edge structure) complemented by CO concentration gradient profiles …

5D operando tomographic diffraction imaging of a catalyst bed

A Vamvakeros, SDM Jacques, M Di Michiel… - Nature …, 2018 - nature.com
We report the results from the first 5D tomographic diffraction imaging experiment of a
complex Ni–Pd/CeO2–ZrO2/Al2O3 catalyst used for methane reforming. This five …

Intra-catalyst CH4 oxidation pathways on a Pd/Al2O3/CeZrOx-based commercial catalyst and implications on NOx conversion profiles for a natural gas vehicle …

DJ Deka, JA Pihl, CR Thomas, WP Partridge - Chemical Engineering …, 2023 - Elsevier
The performance of a three-way catalyst (TWC) in natural gas-powered vehicles is
enhanced by periodic changes in air-to-fuel ratio (λ-modulation). The reaction networks and …

Impact of Nanoparticle–Support Interactions in Co3O4/Al2O3 Catalysts for the Preferential Oxidation of Carbon Monoxide

TM Nyathi, N Fischer, APE York, DJ Morgan… - ACS …, 2019 - ACS Publications
Different supporting procedures were followed to alter the nanoparticle–support interactions
(NPSI) in two Co3O4/Al2O3 catalysts, prepared using the reverse micelle technique. The …

Investigating dry reforming of methane with spatial reactor profiles and particle‐resolved CFD simulations

GD Wehinger, M Kraume, V Berg, O Korup… - AIChE …, 2016 - Wiley Online Library
Dry reforming of methane (DRM) over nickel in a fixed‐bed reactor of spheres was studied
experimentally and with CFD simulations. Temperature and mole fraction profiles were …