Anna Kalde
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View article: Micromodel of a Gas Diffusion Electrode Tracks In‐Operando Pore‐Scale Wetting Phenomena (Small 49/2022)
Micromodel of a Gas Diffusion Electrode Tracks In‐Operando Pore‐Scale Wetting Phenomena (Small 49/2022) Open
Wetting In article number 2204012, Matthias Wessling and co-workers develop a microfluidic pillar-based model of a gas diffusion electrode and use it to track wetting phenomena in operando using fluorescence microscopy. Effects such as ele…
View article: Micromodel of a Gas Diffusion Electrode Tracks In‐Operando Pore‐Scale Wetting Phenomena
Micromodel of a Gas Diffusion Electrode Tracks In‐Operando Pore‐Scale Wetting Phenomena Open
Utilizing carbon dioxide (CO 2 ) as a resource for carbon monoxide (CO) production using renewable energy requires electrochemical reactors with gas diffusion electrodes that maintain a stable and highly reactive gas/liquid/solid interface…
View article: Surface Charge Affecting Fluid–Fluid Displacement at Pore Scale
Surface Charge Affecting Fluid–Fluid Displacement at Pore Scale Open
Efficiency in fluid–fluid displacement is drastically reduced by viscous fingering, limiting the overall effectiveness in enhanced oil recovery, membrane science, and lateral flow devices used in biomedical applications. Local instabilitie…
View article: Wetting-Induced Polyelectrolyte Pore Bridging
Wetting-Induced Polyelectrolyte Pore Bridging Open
Active layers of ion separation membranes often consist of charged layers that retain ions based on electrostatic repulsion. Conventional fabrication of these layers, such as polyelectrolyte deposition, can in some cases lead to excess coa…
View article: 101 Filtering Face Mask Batches – A Comprehensive Study on Particle Passage
101 Filtering Face Mask Batches – A Comprehensive Study on Particle Passage Open
During the first wave of Covid-19 infections in Germany in April 2020, clinics reported a shortage of filtering face masks with aerosol retention > 94% (FFP2 & 3, KN95, N95). Companies all over the world increased their production capaciti…
View article: Determining the Potential of Biogenic Calcium- and Carbon-Rich Residues as Substitutes in the Electric Steelmaking
Determining the Potential of Biogenic Calcium- and Carbon-Rich Residues as Substitutes in the Electric Steelmaking Open
Electric arc furnace (EAF) steelmaking is an important resource conserving steel production route which constitutes approximately one third of the crude steel production. Still, 12-15 kg of fossil coal per ton of steel is used during the E…
View article: Determining the Reactivity of Biochar-Agglomerates to Replace Fossil Coal in Electric Arc Furnace Steelmaking
Determining the Reactivity of Biochar-Agglomerates to Replace Fossil Coal in Electric Arc Furnace Steelmaking Open
A various number of biogenic materials can be used as alternative carbon source in metallurgical processes such as the electric arc furnace (EAF) steelmaking. Besides the carbon content, the reactivity is the main parameter to assess the p…