[图书][B] Tortuosity and microstructure effects in porous media: classical theories, empirical data and modern methods

L Holzer, P Marmet, M Fingerle, A Wiegmann… - 2023 - library.oapen.org
This open access book presents a thorough look at tortuosity and microstructure effects in
porous materials. The book delivers a comprehensive review of the subject, summarizing all …

New Dimensions in Catalysis Research with Hard X‐Ray Tomography

S Das, R Pashminehazar, S Sharma… - Chemie Ingenieur …, 2022 - Wiley Online Library
The structure and function of solid catalysts are inseparably linked at length scales from nm
to cm and beyond. Hard X‐ray tomography offers unique potential for spatially‐resolved …

Correlated X-ray ptychography and fluorescence nano-tomography on the fragmentation behavior of an individual catalyst particle during the early stages of olefin …

KW Bossers, R Valadian, S Zanoni… - Journal of the …, 2020 - ACS Publications
A combination of X-ray ptychography and X-ray fluorescence tomography (XRF) has been
used to study the fragmentation behavior of an individual Ziegler–Natta catalyst particle,∼ …

Synthesis and characterisation of hierarchically structured titanium silicalite‐1 zeolites with large intracrystalline macropores

T Weissenberger, R Leonhardt… - … A European Journal, 2019 - Wiley Online Library
The successful synthesis of hierarchically structured titanium silicalite‐1 (TS‐1) with large
intracrystalline macropores by steam‐assisted crystallisation of mesoporous silica particles …

Evolution of Hierarchically Porous Nickel Alumina Catalysts Studied by X‐Ray Ptychography

S Weber, A Diaz, M Holler, A Schropp… - Advanced …, 2022 - Wiley Online Library
The synthesis of hierarchically porous materials usually requires complex experimental
procedures, often based around extensive trial and error approaches. One common …

Digitization in Catalysis Research: Towards a Holistic Description of a Ni/Al2O3 Reference Catalyst for CO2 Methanation

S Weber, RT Zimmermann, J Bremer, KL Abel… - …, 2022 - Wiley Online Library
There is considerable motivation in the catalysis community and chemical industry to
envision a future where rational catalyst design and targeted chemical process optimization …

[HTML][HTML] Porosity and Structure of Hierarchically Porous Ni/Al2O3 Catalysts for CO2 Methanation

S Weber, KL Abel, RT Zimmermann, X Huang… - Catalysts, 2020 - mdpi.com
CO2 methanation is often performed on Ni/Al2O3 catalysts, which can suffer from mass
transport limitations and, therefore, decreased efficiency. Here we show the application of a …

Heterogeneity in the fragmentation of Ziegler catalyst particles during ethylene polymerization quantified by X-ray nanotomography

KW Bossers, R Valadian, J Garrevoet, S van Malderen… - JACS Au, 2021 - ACS Publications
Ziegler-type catalysts are the grand old workhorse of the polyolefin industry, yet their
hierarchically complex nature complicates polymerization activity–catalyst structure …

Tomography based simulation of reactive flow at the micro-scale: Particulate filters with wall integrated catalyst

R Greiner, T Prill, O Iliev, BAAL van Setten… - Chemical Engineering …, 2019 - Elsevier
Three-way catalyst material was deposited inside the pores of a ceramic particulate filter and
the pore geometry as well as the distribution of the catalyst in the pores was determined by X …

[HTML][HTML] Multiscale investigation of pore network heterogeneity and permeability of fluid catalytic cracking (FCC) particles

Z Qie, A Rabbani, Y Liang, F Sun, J Behnsen… - Chemical Engineering …, 2022 - Elsevier
Pore network is regarded as one of the most important aspects of FCC (Fluid Catalytic
Cracking) catalysts for delivering reactants to active sites and transporting out products, and …