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- Title
A new approach to refrigeration with no global-warming potential.
- Abstract
A new technology called Molten Oxide Electrolysis (MOE) aims to decarbonize the iron-ore process through electrification, producing pure liquid metal without generating CO2 or other harmful byproducts. The MOE cell allows for the use of lower-quality feedstock compared to other steel decarbonization methods, such as hydrogen-based direct reduction. Boston Metal, the developer of the MOE process, is currently working to validate the inert anodes at a semi-industrial scale and plans to pilot the technology with major steelmakers. Additionally, researchers have developed a thin-film composite nanoporous membrane (NPM) that improves the performance of electrodialysis, achieving separation efficiencies of over 99% while consuming less energy. The new membrane system uses TFC nanoporous polyamide membranes and a bio-inspired coating to enable fast ion transfer and reduce fouling. Lastly, a new approach called ionocaloric cooling demonstrates cooling without the use of high-GWP fluids by inducing a phase transition in a solid material through the application of an ionic field. The researchers have built a prototype system and are working on refining the ion-solvent separation step.
- Subjects
PHASE transitions; TRANSITION temperature; MELTING points; REFRIGERATION &; refrigerating machinery; FREEZING points
- Publication
Chemical Engineering, 2023, Vol 130, Issue 9, p6
- ISSN
0009-2460
- Publication type
Article