A System Level Mass and Energy Calculation for a Temperature Swing Adsorption Pump Used for In-Situ Resource Utilization (ISRU) on Mars
2017
Mars ISRU converts atmospheric CO2 to generate O2 and CH4. Reduces launch mass, thus mission cost. Increases mission duration and independence. CO2 acquisition system must: a) Reliably extract CO2 over the varying Martian environment. 1) approx. 0.67-0.93 kPa pressure and 2) 125 C to 40 C. b) Provide and compress high purity gas to chemical plants. 1) Separate N2, Ar2, etc. from approx. 95% CO2 atmosphere and 2) Current pressure targets: 50 kPa-500 kPa.
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