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Bosch CO2 Reduction System Development

Author
Keller, E. E.
Published
Jul 1, 1975.
Physical Description
1 electronic document
Additional Creators
Holmes, R. F. and King, C. D.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Refinements in the design of a Bosch CO2 reduction unit for spacecraft O2 production are described. Sealing of the vacuum insulation jacket was simplified so that high vacuum and high insulation performance are easily maintained. The device includes a relatively simple concentric shell recuperative heat exchanger which operates at approximately 95% temperature effectiveness and helps lower power consumption. The influence of reactor temperature, pressure, and recycle gas composition on power consumption was investigated. In general, precise control is not required since power consumption is not very sensitive to moderate variations of these parameters near their optimum values. There are two process rate control modes which match flow rate to process demand. Catalyst conditioning, support, and packing pattern developments assure consistent starts, reduced energy consumption, and extended cartridge life. Operation levels for four or five men were maintained with overall power input values of 50 to 60 watts per man.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19750025653.
Accession ID: 75N33726.
IR-3.
NASA-CR-143959.
CASD-NAS-75-030.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15738406