Space Applications Services, a leading Belgian aerospace firm, is advancing technology to extract oxygen directly from lunar regolith. A prototype is slated for launch in 2025 aboard an ESA demonstration mission.
Major space agencies, including NASA, CNSA, and Roscosmos, are gearing up for sustained lunar presence in the coming years. While initial missions can ferry supplies from Earth, long-term sustainability demands in-situ resource utilization (ISRU) to curb escalating transport costs.
Oxygen production is pivotal for human outposts on the Moon—and eventually Mars—enabling breathable atmospheres and rocket propellants like liquid oxygen (LOX). On-site refueling with indigenous resources will transform deep-space exploration.
The European Space Agency (ESA) has contracted specialists, including Belgium's Space Applications Services, to develop scalable oxygen-extraction systems from lunar soil. Regolith, the Moon's surface dust, contains roughly 45% oxygen by weight.
The team's prototype leverages the FFC Cambridge process—an established electrochemical technique, originally for titanium production via molten salt electrolysis. Adapted for lunar conditions, it will demonstrate viability in 2025.
Byproducts, rich in iron, aluminum, and silicon, offer value for 3D-printed lunar infrastructure, maximizing resource efficiency.
Complementing this, the company is exploring ilmenite reduction: heating regolith with hydrogen in a sealed reactor releases oxygen as water vapor, electrolyzed into pure O2 and H2 for fuel cycles.
