Mars Integrated Propellant Production System
The Integrated Mars In-Situ Propellant Production System (IMISPPS) is an end-to-end system that will produce rocket propellant on Mars from CO2 in the Martian atmosphere. The IMISPPS combines the RWGS and Sabatier reactions in a single reactor to produce a useful high-specific impulse fuel (methane plus carbon monoxide) and water, which is condensed and electrolyzed to produce oxygen and hydrogen. The hydrogen is recycled back to the Sabatier/RWGS reactor to react with Martian CO2 to produce more fuel, while the oxygen is cryogenically stored to provide oxidizer. Some of the carbon monoxide is removed by cryogenic separation to increase propellant specific impulse. Carbon dioxide acquisition to feed the fuel reactor is accomplished using a lightweight freezer. Use of the IMISPPS has the advantage of producing all the oxygen needed to burn the methane with only in a single catalytic reactor required. In the proposed work, we will build a brassboard core of the IMSIPPS and demonstrate its performance and reliability.
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