since it partially burns coke to make CO which reduces FeO to Fe producing CO2. An alternate approach is to reduce FeO with hydrogen producing H2O. Either way this is likely to be a circular process in a space economy since volatiles like H2O and CO2 are precious.
https://en.wikipedia.org/wiki/Blast_furnace
since it partially burns coke to make CO which reduces FeO to Fe producing CO2. An alternate approach is to reduce FeO with hydrogen producing H2O. Either way this is likely to be a circular process in a space economy since volatiles like H2O and CO2 are precious.