Helix Carbon wants to clean up blast furnaces instead of replacing them
A decarbonization pitch built around the equipment steelmakers already own.
Helix Carbon's electrolyzer turns the CO2 in a blast furnace's raw exhaust back into carbon monoxide, which is fed back into the furnace to reduce iron ore, cutting how much coke the furnace burns. CEO David Brown says the design can handle the full exhaust stream without purification. The company proposes starting by replacing 33% of coke, which it says saves $14 per ton of iron, and plans to sell to specialty chemical makers first to bring in revenue sooner. It pitched in Startup Battlefield at TechCrunch Disrupt.
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Blast furnace
After exploring Helix Carbon says it can make iron cheaper by recycling blast furnace pollution, the machine at the heart of the pitch is Blast furnace.
The metallurgical furnace used to smelt pig iron and other metals, named for the pressurized combustion air blown into it.
Wikipedia · Wade · 5 min
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