1991-07-01

Gaseous Trace Contaminant Control System for the Space Station Freedom Environmental Control and Life Support System 911452

Gaseous contaminants will be generated at trace levels in the Space Station Freedom pressurized modules from a variety of sources. The Environmental Control and Life Support System (ECLSS) aboard the station will control these contaminants to within acceptable limits in order to protect the station crew from potential toxic hazards. The Trace Contaminant Control Subassembly (TCCS), a portion of the ECLSS Atmosphere Revitalization (AR) subsystem, removes potentially hazardous and unpleasant contaminants from the station respirable atmosphere through use of specific sorbent materials and catalytic oxidation. The focus of this paper is the design, integration, and predicted performance of the Trace Contaminant Control Subassembly being developed as a part of the ECLSS Atmosphere Revitalization subsystem.

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