Difference between revisions of "Ilmenite Reduction"
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[[Hydrogen]] reduction of [[ilmenite]] is one method of lunar oxygen ([[LUNOX]]) extraction currently being tested by many Universities. Products of the hydrogen reduction are free [[iron]], [[titanium dioxide]], and [[water]]. The resulting water can be removed by condensation and separated via electrolysis to produce oxygen and H<SUB>2</SUB> (hydrogen). The hydrogen is then be recycled into the reaction. | [[Hydrogen]] reduction of [[ilmenite]] is one method of lunar oxygen ([[LUNOX]]) extraction currently being tested by many Universities. Products of the hydrogen reduction are free [[iron]], [[titanium dioxide]], and [[water]]. The resulting water can be removed by condensation and separated via electrolysis to produce oxygen and H<SUB>2</SUB> (hydrogen). The hydrogen is then be recycled into the reaction. | ||
<BR/><BR/> | <BR/><BR/> | ||
| − | ''Reduction | + | ''Reduction'':<BR/> |
FeTiO<SUB>3</SUB>+H<SUB>2</SUB> ---->Fe+TiO<SUB>2</SUB>+H<SUB>2</SUB>O | FeTiO<SUB>3</SUB>+H<SUB>2</SUB> ---->Fe+TiO<SUB>2</SUB>+H<SUB>2</SUB>O | ||
| − | <BR/ | + | <BR/>''Electrolysis'': |
<BR> | <BR> | ||
2H<SUB>2</SUB>O ---->2 H<SUB>2</SUB>+ O<SUB>2</SUB> | 2H<SUB>2</SUB>O ---->2 H<SUB>2</SUB>+ O<SUB>2</SUB> | ||
Revision as of 11:34, 10 January 2007
Hydrogen Reduction
Hydrogen reduction of ilmenite is one method of lunar oxygen (LUNOX) extraction currently being tested by many Universities. Products of the hydrogen reduction are free iron, titanium dioxide, and water. The resulting water can be removed by condensation and separated via electrolysis to produce oxygen and H2 (hydrogen). The hydrogen is then be recycled into the reaction.
Reduction:
FeTiO3+H2 ---->Fe+TiO2+H2O
Electrolysis:
2H2O ---->2 H2+ O2
Net Reaction:
2FeTiO3---->2Fe+2TiO2+ O2
Other Methods of Ilmenite reduction
Carbothermic reduction of Ilmenite
Li or Na reduction of Ilmenite
Methane reduction of Ilmenite
Plasma reduction of Ilmenite
External Links
ISRU on the Moon. by Larry Taylor http://www.lpi.usra.edu/lunar_knowledge/LTaylor.pdf
Extraction Techniques-Oxygen. G. L. Kulcinski, February 18, 2004 http://fti.neep.wisc.edu/neep533/SPRING2004/lecture13.pdf
Processing Lunar Soils for Oxygen and Other Materials. Knudsen & Gibson http://nss.org/settlement/nasa/spaceresvol3/plsoom1.htm
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