Steel’s Outsized Carbon Emissions Will Shrink Rapidly In Coming Decades Even As Demand Rises
With more scrapping and more direct reduction using lower carbon technologies such as Midrex’ DRI and HYBRIT every decade, and the likely creation of those facilities closer to iron ore mines, high-emissions furnaces will go out of business over the coming decades, unable to decarbonize.Steel will see global transformations in demand and technologies through 2100, and that will have excellent results for its carbon emissions and hence global warming.
Comparison of as-published and harmonized life cycle greenhouse gas emission estimates for selected electricity generation technologies, by NREL Accounting for biomethane is increasingly a concern to me. There are innumerable organizations attempting to make biomethane a replacement for natural gas for energy instead of working hard to minimize biomethane generation in the first place. Landfills are emitting methane from waste food and the other biomass we throw away in the trash, and diverting waste biomass to biofuels generation instead makes much more sense.
Of course, a big question remains. How much green hydrogen is required for the Midrex and HYBRIT low-carbon solutions? People might remember that I have a heterodox projection of declining hydrogen demand through 2100. In that, I projected using the patented Mike Makes Stuff Up method that we might see 40 million tons of new hydrogen demand in the latter half of the century. It was an intuitive guess, but that’s all it was or was claimed to be.
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