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A volatile organics concentrator for use in monitoring Space Station water qualityThe process used to identify, select, and design an approach to the isolation and concentration of volatile organic compounds from a water sample prior to chemical analysis in a microgravity environment is discerned. The trade analysis leading to the recommended volatile organics concentrator (VOC) concept to be tested in a breadboard device is presented. The system covers the areas of gases, volatile separation from water, and water removal/gas chromatograph/mass spectrometer interface. Five options for potential use in the VOC and GC/MS system are identified and ranked, and also nine options are presented for separation of volatiles from the water phase. Seven options for use in the water removal/GC column and MS interface are also identified and included in the overall considerations. A final overall recommendation for breadboard VOC testing is given.
Document ID
19900062330
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ehntholt, Daniel J.
(Little (Arthur D.), Inc. Cambridge, MA, United States)
Bodek, Itamar
(Little (Arthur D.), Inc. Cambridge, MA, United States)
Valentine, James R.
(Arthur D. Little, Inc. Cambridge, MA, United States)
Trabanino, Rudy
(Little (Arthur D.), Inc. Cambridge, MA, United States)
Vincze, Johanna E.
(McDonnell Douglas Space Systems Co. Houston, TX, United States)
Sauer, Richard L.
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 14, 2013
Publication Date
July 1, 1990
Subject Category
Man/System Technology And Life Support
Report/Patent Number
SAE PAPER 901352
Accession Number
90A49385
Distribution Limits
Public
Copyright
Other

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