Lunar oxygen production by soil fluorination - Concepts and laboratory simulation

Details Lunar oxygen production by soil fluorination - Concepts and laboratory simulation Lunar oxygen production by soil fluorination - Concepts and laboratory simulation

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993zflwe..17..245l&link_type=abstract

Zeitschrift für Flugwissenschaften und Weltraumforschung (ISSN 0342-068X), vol. 17, no. 4, p. 245-252.

Other

Earth-Moon Trajectories, Fluorination, Lunar Soil, Oxygen Production, Systems Simulation, Chemical Composition, Space Exploration

Scientific paper

In situ extraction of oxygen from lunar soil and its utilization as fuel component is considered to contribute to the reduction of future space transportation cost in the Earth-moon system. The local lunar soil is an abundant source for elemental oxygen because it is made up of oxygen by nearly half of its mass. Fluorination of bulk soil is proposed and discussed in this paper for reasons of its high effectivity of oxygen liberation from silicates compared to other existing processing concepts. Nearly total oxygen release may be achieved, as can be concluded from small scale fluorination experiments with lunar soil simulants. Recovery of reacted fluorine, however, is essential and proposed to be carried out by means of atomic hydrogen and subsequent electrolysis of the reduction product HE. This fluorine recycling seems to be the most energy demanding step. Finally, economic aspects of lunar oxygen production and utilization are discussed together with consequences for neccessary fluorine recycling rates.

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