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Technical Paper

Resistively-Heated Microlith-Based Adsorber for Carbon Dioxide and Trace Contaminant Removal

2005-07-11
2005-01-2866
An integrated sorber-based Trace Contaminant Control System (TCCS) and Carbon Dioxide Removal Assembly (CDRA) prototype was designed, fabricated and tested. It corresponds to a 1-person load. Performance over several adsorption/regeneration cycles was examined. Vacuum regenerations at effective time/ temperature conditions, and estimated power requirements were experimentally verified for the combined CO2/trace contaminant removal prototype. The current paper details the design and performance of this prototype during initial testing at CO2 and trace contaminant concentrations in the existing CDRA, downstream of the drier. Additional long-term performance characterization is planned at NASA. Potential system design options permitting associated weight, volume savings and logistic benefits, especially as relevant for long-duration space flight, are reviewed.
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