James W. Evans, Brian R. Wildey
Carbon has been the principal reducing agent in producing metals for centuries. Carbon is an inexpensive reducing agent, but also an effective one, as any undergraduate who knows her Ellingham diagrams is aware. Even in the production of aluminum, an electrolytic process, carbon consumed at the anodes serves to reduce the voltage of the Hall-Héroult cell. The interest in reducing the amount of anthropogenic CO2 has led to this examination of whether a switch to hydrogen as a major reductant is feasible and economic. The main source of hydrogen is natural gas and its production entails the generation of CO2; however, that CO2 is more easily captured than, say, the CO2 leaving an iron blast furnace. Calculations and speculations lead to conclusions about whether there is significant benefit to be obtained from such a radical change in our way of producing metals and the approximate cost of such change.
@article{63a3004e-d6bb-494d-92bb-c8dde93c4daa,
title={IMPACT ON GREENHOUSE GAS EMISSIONS OF A SWITCH FROM CARBON TO HYDROGEN AS THE PRINCIPAL REDUCING AGENT IN PRODUCING METALS},
author={James W. Evans and Brian R. Wildey},
year={2005},
language={en}
}TY - JOUR TI - IMPACT ON GREENHOUSE GAS EMISSIONS OF A SWITCH FROM CARBON TO HYDROGEN AS THE PRINCIPAL REDUCING AGENT IN PRODUCING METALS AU - James W. Evans AU - Brian R. Wildey PY - 2005 LA - en ER -
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