How to Escape From the Iron Age? (solar.lowtechmagazine.com)

submitted 7 months ago by hahattpro@lemmy.world to c/technology@lemmy.world

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We cannot lower carbon emissions if we keep producing steel with fossil fuels.

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[-] cyd@lemmy.world 9 points 7 months ago

How much of the coal in a blast furnace is actually necessary for the carbon impregnation, as opposed to supplying the heat via combustion? Steel contains only a few percent carbon by weight, so it doesn't seem like much carbon is needed (not to mention that the carbon in steel is essentially sequestered).

this post was submitted on 19 Apr 2024

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