Ultrafast radiographic imaging and tracking: An overview of instruments, methods, data, and applications
Ultrafast radiographic imaging and tracking (U-RadIT) use state-of-the-art ionizing particle
and light sources to experimentally study sub-nanosecond transients or dynamic processes …
and light sources to experimentally study sub-nanosecond transients or dynamic processes …
Challenges and opportunities to enhance flexibility in design and operation of chemical processes
J Riese, M Grünewald - Chemie Ingenieur Technik, 2020 - Wiley Online Library
Flexibility receives increased interest in chemical engineering and is discussed as one
measure to deal with upcoming challenges for the chemical industry. In this paper, different …
measure to deal with upcoming challenges for the chemical industry. In this paper, different …
Chemical gradients in automotive Cu-SSZ-13 catalysts for NOx removal revealed by operando X-ray spectrotomography
J Becher, DF Sanchez, DE Doronkin, D Zengel… - Nature Catalysis, 2021 - nature.com
Nitrogen oxide (NO x) emissions are a major source of pollution, demanding ever-improving
performance from catalytic after-treatment systems. However, catalyst development is often …
performance from catalytic after-treatment systems. However, catalyst development is often …
Evolution of Hierarchically Porous Nickel Alumina Catalysts Studied by X‐Ray Ptychography
The synthesis of hierarchically porous materials usually requires complex experimental
procedures, often based around extensive trial and error approaches. One common …
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
There is considerable motivation in the catalysis community and chemical industry to
envision a future where rational catalyst design and targeted chemical process optimization …
envision a future where rational catalyst design and targeted chemical process optimization …
Porosity and Structure of Hierarchically Porous Ni/Al2O3 Catalysts for CO2 Methanation
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 …
transport limitations and, therefore, decreased efficiency. Here we show the application of a …
Multi-slice ptychography enables high-resolution measurements in extended chemical reactors
M Kahnt, L Grote, D Brückner, M Seyrich, F Wittwer… - Scientific reports, 2021 - nature.com
Ptychographic X-ray microscopy is an ideal tool to observe chemical processes under in situ
conditions. Chemical reactors, however, are often thicker than the depth of field, limiting the …
conditions. Chemical reactors, however, are often thicker than the depth of field, limiting the …
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 …
to cm and beyond. Hard X‐ray tomography offers unique potential for spatially‐resolved …
Olefin Ring‐closing Metathesis under Spatial Confinement: Morphology− Transport Relationships
U Tallarek, J Hochstrasser, F Ziegler, X Huang… - …, 2021 - Wiley Online Library
Spatial confinement effects on hindered transport in mesoporous silica particles are
quantified using reconstructions of their morphology obtained by electron tomography as …
quantified using reconstructions of their morphology obtained by electron tomography as …
Upscaling of multi-beam x-ray ptychography for efficient x-ray microscopy with high resolution and large field of view
Nondestructive imaging with both a large field of view and a high spatial resolution is crucial
to understand complex materials and processes in science and technology. X-ray …
to understand complex materials and processes in science and technology. X-ray …