A report describes a small, lightweight sorption compressor that is now undergoing development for use in collecting CO2 from the atmosphere on Mars. This compressor would be part of a system that would use the CO2 to generate oxygen and a carbon-based fuel for a spacecraft to return specimens to Earth. Unlike mechanical compressors, a sorption compressor has few moving parts and thus has potential for greater reliability.

This work was done by Donald Rapp and Paul Karlmann of the California Institute of Technology for NASA's Jet Propulsion Laboratory. NPO-20353

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Sorption compressor for collecting atmospheric carbon dioxide on Mars

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This article first appeared in the October, 1998 issue of NASA Tech Briefs Magazine.

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