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Characteristics of Post-Sorbent and High Temperature Catalytic Oxidizer Beds After Long-Term On-Orbit Use
Technical Paper
2007-01-3180
ISSN: 0148-7191, e-ISSN: 2688-3627
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Language:
English
Abstract
Trace contaminants are produced on-orbit by human metabolic processes and equipment off-gassing. These potentially hazardous contaminants are removed by the Trace Contaminant Control Subassembly (TCCS) in the US segment of the International Space Station (ISS). The TCCS has been operating since February 2001. Analysis of on-orbit telemetry data indicated a slow increase in the TCCS system flow resistance over the five years of operation. Two of the packed beds within the TCCS were replaced to return the TCCS to its nominal operation conditions: the high temperature catalytic oxidizer and the post-sorbent bed. Results from the examination of the returned beds are presented along with a discussion about changes to bed service life.
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Authors
Citation
Johnson, S. and Williams, D., "Characteristics of Post-Sorbent and High Temperature Catalytic Oxidizer Beds After Long-Term On-Orbit Use," SAE Technical Paper 2007-01-3180, 2007, https://doi.org/10.4271/2007-01-3180.Also In
References
- Perry J. L. Peterson B. V. Cabin Air Quality Dynamics On Board the International Space Station SAE 2003-01-2650 .33 rd International Conference on Environmental Systems July 7-10 2003 Vancouver, B.C
- Perry J. L. Cole H. E. El-Lessy H. N. An Assessment of the International Space Station's Trace Contaminant Control Subassembly Process Economics. NASA/TM-20050214008 National Aeronautics and Space Administration. Marshall Space Flight Center. MSFC Alabama August 2005