Steel production accounts for roughly 7% of global greenhouse gas emissions, and nearly 70% of that comes from coal-fired blast furnaces; the dominant way the world has made iron for centuries. The Electric Arc Furnace (EAF) could decarbonize steelmaking because it can be powered by renewable electricity. It requires very pure sponge iron. Porous sponge …
Continue reading “Concentrated solar heat and hydrogen to decarbonize iron ore processing”

