Other
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992lmt..symps....r&link_type=abstract
In Arizona Univ., Proceedings of the Lunar Materials Technology Symposium 11 p (SEE N93-27956 10-91)
Other
Electrolysis, Liquid Rocket Propellants, Lunar Resources, Lunar Rocks, Lunar Soil, Oxygen, Oxygen Production, Water Splitting, Carbon Monoxide, Catalysts, Hydrogen, Igneous Rocks, Methane, Silicates, Silicon Carbides, Water
Scientific paper
The Aerojet Carbothermal Process for the manufacture of oxygen from lunar resources has three essential steps: the reduction of silicate with methane to form carbon monoxide and hydrogen; the reduction of carbon monoxide with hydrogen to form methane and water; and the electrolysis of water to form oxygen and hydrogen. This cyclic process does not depend upon the presence of water or water precursors in the lunar materials; it will produce oxygen from silicates regardless of their precise composition and fine structure. Research on the first step of the process was initiated by determining some of the operating conditions required to reduce igneous rock with carbon and silicon carbide. The initial phase of research on the second step is completed; quantitative conversion of carbon monoxide and hydrogen to methane and water was achieved with a nickel-on-kieselguhr catalyst. The equipment used in and the results obtained from these process studies are reported in detail.
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