Martian Atmospheric Utilization by Temperature-Swing Adsorption

Paper #:
  • 961597

Published:
  • 1996-07-01
Citation:
Finn, J., McKay, C., and Sridhar, K., "Martian Atmospheric Utilization by Temperature-Swing Adsorption," SAE Technical Paper 961597, 1996, https://doi.org/10.4271/961597.
Pages:
7
Abstract:
Technologies that can be used to extract oxygen and other useful products from the Martian atmosphere for exploration missions will require compression of the low-pressure Martian gas. One technique that appears ideally suited for this application is temperature-swing adsorption, which can produce purified and compressed CO2 in a virtually solid-state process whose energy requirements can be met mainly through the diurnal temperature cycle. This paper focuses on material selection and sensitivity of this adsorption process to variations in Mars surface conditions. Experimental results indicate that, of the zeolite and carbon materials studied, a NaX zeolite is a superior adsorbent in terms of the amount of pressurized gas it can produce per unit mass of sorbent.
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