Claim · committed · confidence 0.92
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Statement: James Beaumont Neilson patented the hot blast process in 1828; his original heating vessel was wrought iron (later cast iron) heated externally; heating the blast to 149°C reduced coal consumption from 8.06 to 5.16 tons per ton of iron.
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- About → Hot Blast Stove
- Cites → 2026-hot-blast-wikipedia