The Spacecraft Water Impurity Monitor, a Framework for the Next Generation Complete Water Analysis System for Crewed Vehicles Beyond the ISS

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dc.creatorKidd, Richard
dc.creatorHomer, Margie
dc.creatorNoell, Aaron
dc.creatorSimcic, Jurij
dc.creatorBae, Byunghoon
dc.creatorGonzalez, Marianne
dc.creatorLopez, Valeria
dc.creatorDarrach, Murray
dc.creatorPensinger, Stuart
dc.creatorCallahan, Mike
dc.creatorNeidholdt, Evan
dc.creatorGilbert, Nikki
dc.date.accessioned2022-06-21T02:25:14Z
dc.date.available2022-06-21T02:25:14Z
dc.date.issued7/10/2022
dc.descriptionRichard Kidd, Jet Propulsion Laboratory, US
dc.descriptionMargie Homer, Jet Propulsion Laboratory, US
dc.descriptionAaron Noell, Jet Propulsion Laboratory, US
dc.descriptionJurij Simcic, Jet Propulsion Laboratory, US
dc.descriptionByunghoon Bae, Jet Propulsion Laboratory, US
dc.descriptionMarianne Gonzalez, NASA Jet Propulsion Laboratory, US
dc.descriptionValeria Lopez, Jet Propulsion Laboratory, US
dc.descriptionMurray Darrach, Jet Propulsion Laboratory, US
dc.descriptionStuart Pensinger, NASA Johnson Space Center, US
dc.descriptionMike Callahan, NASA Johnson Space Center, US
dc.descriptionEvan Neidholdt, KBRwyle, US
dc.descriptionNikki Gilbert, KBRwyle, US
dc.descriptionICES205: Advanced Life Support Sensor and Control Technologyen
dc.descriptionThe 51st International Conference on Environmental Systems was held in Saint Paul, Minnesota, US, on 10 July 2022 through 14 July 2022.en_US
dc.description.abstractOn-orbit analysis of the total organic carbon (TOC) content of recycled water, as provided by the ISS TOCA, has been an indispensable tool for monitoring the performance of the WRS and for ensuring that water is fit for crew consumption. While TOC has been, and will continue to be an important metric for spacecraft water quality, it provides only limited insight into the total picture. As a measurement, TOC only provides a single �lump sum� quantity of all organic chemicals present in a water sample. Nor does the TOC measurement begin to address inorganic constituents, such as metals resulting from corrosion nor an intentionally-dosed biocide. For exploration missions beyond LEO, the return of water samples to Earth for analysis will be logistically challenging or impossible. The Spacecraft Water Impurity Monitor (SWIM) is a joint collaboration to develop an instrument platform that will perform in-flight measurements and deliver a more complete picture of water quality to decision makers. Eventually, missions to the moon, Mars, and beyond will be equipped with analytical capabilities equaling those found in terrestrial labs. Based on what we know about current and future spacecraft environments, SWIM will seek to provide enhanced analytical capability that enables NASA to confidently send astronauts on distant missions without the possibility of returned water samples. This paper discusses the challenges presented by exploration requirements and the research and development progress toward the goal of a total water analysis system. For organic analysis, one of the analysis technologies that the SWIM team have been developing is a liquid-injection gas chromatograph mass spectrometer system; these systems are the workhorses of analytical chemistry laboratories world-wide. For inorganic analysis, the team is exploring a number of technologies ranging from traditional liquid chromatography technologies (e.g. ion chromatography, capillary electrophoresis) to flight-heritage technology such as ion-specific electrodes.
dc.format.mimetypeapplication/pdf
dc.identifier.otherICES-2022-305
dc.identifier.urihttps://hdl.handle.net/2346/89814
dc.language.isoengen_US
dc.publisher51st International Conference on Environmental Systems
dc.subjectSWIM = Spacecraft Water Impurity Monitor
dc.subjectTOC = total organic carbon
dc.subjectTOCA = Total Organic Carbon Analyzer
dc.subjectOWM = Organic Water Module
dc.subjectGC = gas chromatograph
dc.subjectMS = mass spectrometer
dc.subjectQITMS = quadrupole ion trap mass spectrometer
dc.subjectCE = capillary electrophoresis
dc.subjectISP = ion specific electrode
dc.titleThe Spacecraft Water Impurity Monitor, a Framework for the Next Generation Complete Water Analysis System for Crewed Vehicles Beyond the ISS
dc.typePresentationen_US

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