Plasma Reduction of Lunar Regolith for In-Space ... - ISRU - Nasa

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NASA RequirementsNASARequirementsDesignGoals2006 SBIRSolicitationMoonROxCentennialChallenge1/5 ScaleDesign1/10 ScaleDesignOxygenProductionMass ofSystem9 MT/yr ?1:40 O2:Regolith(g) at a rate of625 g O2 per hr1.8 MT
Phase 1 Final Results• Phase 1 demonstrated feasibility of plasma reductionfor producing of– metallic powders for in-situ space fabrication– critical gases such as CO and oxygen to supporthabitat and propulsion applications• Theoretical calculations were used to predict theevolution of gases and the production of metals fromplasma reduced lunar regolith. Experimental resultsconfirmed the thermodynamic predictions.• XRD and microprobe analyses demonstratedcrystalline metals (Si, Fe and Mg) were produced fromplasma reduced regolith. Amorphous material was alsoproduced.Plasma Processes, Inc 10-11-07
Page 1 and 2: Plasma Reduction of Lunar Regolithf
Page 3 and 4: VPS Manufacturinga) b)c)a) W non-er
Page 5 and 6: Powder Alloying andSpheroidization
Page 7 and 8: Significance of this Effort• Raw
Page 9 and 10: JSC-1 1 Lunar Regolith SimulantXRD
Page 11 and 12: JSC-1A Simulant (As-Received)vs. JS
Page 13 and 14: Agglutinate & Volcanic GlassAnalogu
Page 15 and 16: As-Received Martian Soil Simulant (
Page 17 and 18: Plasma Processes, Inc 10-11-07Phase
Page 19 and 20: Metal-Metal Oxide Equilibrium as aF
Page 21: Design Development for 1/5Scale Pro
Page 25 and 26: Further Information• “ Plasma P

Plasma Reduction of Lunar Regolith for In-Space ... - ISRU - Nasa

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