NASA/Victor Tangermann
Moon Rocks

Scientists Say They’ve Found a Way to Make Oxygen From Moon Dust

byVictor Tangermann
1. 17. 20
NASA/Victor Tangermann

"Being able to acquire oxygen from resources found on the Moon would obviously be hugely useful for future lunar settlers."

Making Air

European Space Agency (ESA) scientists say they’ve found a way to produce oxygen from lunar dust. Samples of real lunar dust have been found to be 40 to 45 percent oxygen by weight, according to the ESA.

The team just opened a “prototype oxygen plant” inside a European Space Research and Technology Center lab in the Netherlands.

“Being able to acquire oxygen from resources found on the Moon would obviously be hugely useful for future lunar settlers, both for breathing and in the local production of rocket fuel,” said Beth Lomax of the University of Glasgow in a statement.

Melt Down

Their prototype system mixes simulated lunar regolith — they have yet to try it with the real thing — with molten calcium chloride salt. The scientists then heat the mixture up to 950 degrees Celsius and run a current through it, releasing oxygen — a process called molten salt electrolysis.


The electrolysis process has another useful byproduct: metal alloys. The scientists are also investigating applications to make best use of these alloys on the Moon.

The team is looking to design a “pilot plant” that could be operated on the Moon by the mid-2020s.

READ MORE: Scientists Are Generating Oxygen from Simulated Moon Dust [Gizmodo]

More on regolith: Laser Project Aims to Melt Moon Dust Into a Lunar Base


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