Thermodynamics of lunar ilmenite reduction

Details Thermodynamics of lunar ilmenite reduction Thermodynamics of lunar ilmenite reduction

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24...27a&link_type=abstract

In Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F p 27-28 (SEE N94-12015 01-91)

Physics

Fuel Production, Ilmenite, Liquid Oxygen, Lunar Bases, Lunar Rocks, Lunar Soil, Oxygen Production, Pressure Effects, Reduction (Chemistry), Space Processing, Thermodynamic Equilibrium, Thermodynamic Properties, Life Support Systems, Lunar Resources, Lunar Surface, Space Exploration

Scientific paper

With the prospect of returning to the moon, the development of a lunar occupation would fulfill one of the goals of the Space Exploration Initiative (SEI) of the late 1980's. Processing lunar resources into useful products, such as liquid oxygen for fuel and life support, would be one of many aspects of an active lunar base. ilmenite (FeTiO3) is found on the lunar surface and can be used as a feed stock to produce oxygen. Understanding the various ilmenite-reduction reactions elucidates many processing options. Defining the thermodynamic chemical behavior at equilibrium under various conditions of temperature and pressures can be helpful in specifying optimal operating conditions. Differences between a previous theoretical analysis and experimentally determined results has sparked interest in trying to understand the effect of operating pressure on the hydrogen-reduction-of-ilmenite reaction. Various aspects of this reduction reaction are discussed.

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