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A comment on Sweden delivered the world’s first fossil fuel-free steel. Parent comment
If I'm reading the PDF right, it uses about 12 PJ per tonne of iron produced.
Best current practice with coking coal is about 15 GJ per tonne.[1]
So just a little energy efficiency improvement required.
1. Smil, V. Energy In Nature And Society 2008, p. 283 of paperback.
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If I'm reading the PDF right, it uses about 12 PJ per tonne of iron produced.
Best current practice with coking coal is about 15 GJ per tonne.[1]
So just a little energy efficiency improvement required.
1. Smil, V. Energy In Nature And Society 2008, p. 283 of paperback.