VOC Removal by Novel Regenerable Silica-Titania Sorbent and Photocatalytic Technology

Gruss, Alexander F.; Casasús, Anna I.; Mazyck, David W.

doi:10.4271/2009-01-2443

Cited by 1 publication

(1 citation statement)

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“…The National Aeronautics and Space Administration (NASA) has sponsored projects at universities and aerospace companies to develop PCO into a viable TCC process technology. [5][6][7][8] An experimental ECLS system architecture employing PCO was evaluated in 2007. 9 This investigation reported reasonable performance from an unmodified, commercially available PCO unit mounted in the main ventilation duct; however, some partial oxidation product generation contributed to an undesirable increase in acetate loading of the humidity condensate to be fed to the WPA equipment.…”

Section: Introductionmentioning

confidence: 99%

A Comparison of Photocatalytic Oxidation Reactor Performance for Spacecraft Cabin Trace Contaminant Control Applications

Perry

Frederick

Scott

et al. 2011

41st International Conference on Environmental Systems

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Photocatalytic oxidation (PCO) is a maturing process technology that shows potential for spacecraft life support system application. Incorporating PCO into a spacecraft cabin atmosphere revitalization system requires an understanding of basic performance, particularly with regard to partial oxidation product production. Four PCO reactor design concepts have been evaluated for their effectiveness for mineralizing key trace volatile organic compounds (VOC) typically observed in crewed spacecraft cabin atmospheres. Mineralization efficiency and selectivity for partial oxidation products are compared for the reactor design concepts. The role of PCO in a spacecraft's life support system architecture is discussed. Nomenclature

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Section: Introductionmentioning

confidence: 99%