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Development of a carbon formation reactor for carbon dioxide reductionApplied research, engineering development, and performance evaluation were conducted on a process for formation of dense carbon by pyrolysis of methane. Experimental research showed that dense (0.7 to 1.6 g/cc bulk density and 1.6 to 2.2 g/cc solid density) carbon can be produced by methane pyrolysis in quartzwool-packed quartz tubes at temperatrues of 1100 to 1300 C. This result supports the condensation theory of pyrolytic carbon formation from gaseous hydrocarbons. A full-scale Breadboard Carbon Formation Reactor (CFR) was designed, fabricated, and tested at 1100 to 1200 C with 380 to 2280 sccm input flows of methane. Single-pass conversion of methane to carbon ranged from 60 to 100 percent, with 89 percent average conversion. Performance was projected for an Advanced Carbon Reactor Subsystem (ACRS) which indicated that the ACRS is a viable option for management of metabolic carbon on long-duration space missions.
Document ID
19860004429
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Noyes, G. (Hamilton Standard Windsor Locks, CT, United States)
Date Acquired
September 5, 2013
Publication Date
September 1, 1985
Subject Category
Man/System Technology And Life Support
Report/Patent Number
NASA-CR-171907
SVHSER-9811
NAS 1.26:171907
Accession Number
86N13898
Funding Number(s)
CONTRACT_GRANT: NAS9-16956
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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