NDLI: Series bosch system development

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Series bosch system development

Content Provider	NASA Technical Reports Server (NTRS)
Author	Mansell, Matt Evans, Christopher Abney, Morgan B. Swickrath, Michael
Copyright Year	2012
Description	State-of-the-art (SOA) carbon dioxide (CO2) reduction technology for the International Space Station produces methane as a byproduct. This methane is subsequently vented overboard. The associated loss of hydrogen ultimately reduces the mass of oxygen that can be recovered from CO2 in a closed-loop life support system. As an alternative to SOA CO2 reduction technology, NASA is exploring a Series-Bosch system capable of reducing CO2 with hydrogen to form water and solid carbon. This results in 100% theoretical recovery of oxygen from metabolic CO2. In the past, Bosch-based technology did not trade favorably against SOA technology due to a high power demand, low reaction efficiencies, concerns with carbon containment, and large resupply requirements necessary to replace expended catalyst cartridges. An alternative approach to Bosch technology, labeled "Series-Bosch," employs a new system design with optimized multi-stage reactors and a membrane-based separation and recycle capability. Multi-physics modeling of the first stage reactor, along with chemical process modeling of the integrated system, has resulted in a design with potential to trade significantly better than previous Bosch technology. The modeling process and resulting system architecture selection are discussed.
File Size	1964095
Page Count	15
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20120014939
Archival Resource Key	ark:/13960/t1xd5wd0m
Language	English
Publisher Date	2012-07-15
Access Restriction	Open
Subject Keyword	Man/system Technology And Life Support Methane Membranes Oxygen Catalysts Carbon Dioxide Removal Carbon Dioxide Chemical Reactions Oxygen Production Life Support Systems International Space Station Air Purification Systems Engineering Models Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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