Novel Regenerable Incinerator Exhaust Purification and Trace Contaminant Control System Utilizing Humidity Swings
Date Published: 1998-07-13
Paper Number:981760
DOI: 10.4271/981760
Citation:
LeVan, M., Appel, W., Finn, J., and Finn, C., "Novel Regenerable Incinerator Exhaust Purification and Trace Contaminant Control System Utilizing Humidity Swings," SAE Technical Paper 981760, 1998, doi:10.4271/981760.
Author(s):
M. Douglas LeVan - Vanderbilt Univ.
W. Scot Appel - University of Virginia
John E. Finn - NASA Ames Research Center
Cory K. Finn - NASA Ames Research Center
Abstract:
This paper offers a concept for a regenerable, low-power system for purifying exhaust from a solid waste processor. The innovations in the concept include the use of a closed-loop regeneration cycle for the adsorber, which prevents contaminants from reaching the breathable air before they are destroyed, and the use of a humidity-swing desorption cycle, which uses less power than a thermal desorption cycle and requires no venting of air and water to space vacuum or planetary atmosphere. The process would also serve well as a trace contaminant control system for the air in the closed environment. A systems-level design is presented that shows how both the exhaust and air purification tasks could be performed by one processor. Data measured with a fixed-bed apparatus demonstrate the effects of the humidity swing on regeneration of the adsorbent.
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