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New Facility to Produce Oxygen from Moon Dust

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Another step towards a sustained human presence on the Moon

A new technique could help make it possible for humans to live on the lunar surface in the not-too-distant future.

In order for mankind to live on the Moon or Mars without having to rely on resources sent from Earth, it will be of critical importance to be able to produce the essentials - such as water and oxygen - from the natural resources available on those worlds.

To this end, scientists at the University of Glasgow in Scotland have come up with a way to produce oxygen from the regolith found on the Moon using a method known as molten salt electrolysis.

It is not the first such technique to have been developed, but it is the most promising, given that alternatives are generally too difficult, too destructive or produce far too little yield to be worth it.

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The new method also has the added benefit of producing metal alloys as a waste product.

So far it has proven effective at producing oxygen using a simulant of lunar regolith and plans are now in motion to set up the first ever prototype large-scale oxygen plant at the European Space Agency's European Space Research and Technology Center in the Netherlands.

"Having our own facility allows us to focus on oxygen production, measuring it with a mass spectrometer as it is extracted from the regolith simulant," said chemist Beth Lomax.

"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."

If everything goes to plan, the team's efforts could lead to the development of a facility that can be set up on the Moon itself to supply future lunar dwellers with all the oxygen they need.

"ESA and NASA are heading back to the Moon with crewed missions, this time with a view towards staying," said ESA's Tommaso Ghidini. "Accordingly we're shifting our engineering approach to a systematic use of lunar resources in-situ."

Full article here: https://www.sciencealert.com/a-new-facility-has-opened-to-make-breathable-air-out-of-moon-dust

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