Water: A Critical Material Enabling Space Exploration · 2014-09-02 · Enabling Space Exploration...
Transcript of Water: A Critical Material Enabling Space Exploration · 2014-09-02 · Enabling Space Exploration...
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Water:
A Critical Material
Enabling Space
Exploration
Karen D. Pickering
NASA Johnson Space Center
Houston, TX, 77058
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Presentation Outline
Where is NASA going?
Why is water critical to NASA’s mission?
Recovering water from wastewater
Water quality for humans and hardware
Technology needs for exploration
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 2
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Acronym Primer
ISS = International Space Station
WRS = Water recovery system
EVA = Extravehicular activity
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 3
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So what is NASA really doing?
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 4
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8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 5
Recovery of water from wastewater is an enabling
technology to explore beyond low Earth orbit
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Open-loop life support system resupply mass 12,000 kg/person-year
(26,500 lbs/person-year)
Systems Maintenance 2.1%
Gases lost to space 2.1%
Crew Supplies 2.1%
Food (dry) 2.2%
Oxygen 2.5%
Water 89%
10,680 kg (23,545 lbs)
(2827 gallons)
Human life support requirements
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 6
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Human mass balance
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 7
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Water requirements change as mission
matures
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 8
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Urine Humidity
Condensate
International Space Station Recovered Wastewater
Wastewater on ISS
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 9
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Shower Water
Food
Laundry
Hand Wash
Shave
Oral Hygiene
Wastewater on a planetary surface
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 10
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8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM
RECOVERING WATER FROM
WASTEWATER
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urine
50%
humidity
condensate
50%
International Space Station
Recycle urine and
humidity condensate
●Distillation
● Adsorption
● Ion exchange
●Catalytic oxidation
●Disinfection
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 12
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ISS Life Support Systems
13
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM
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Stored Water
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 14
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On-orbit work with water containers
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 15
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Exploration Systems
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 16
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Technology for Exploration
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for SusChEM 17
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8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM
WATER QUALITY FOR HUMANS
AND HARDWARE
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Drinking Water Quality on ISS
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 19
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Contaminant identification
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 20
Polydimethylsiloxane (PDMS)
Dimethylsilanediol (DSMD)
trimethylsilanol dimethylsulfone
Metal silicate coating
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Urine and solubility
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 21
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Urine solids on orbit
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 22
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What happens when you DON’T stabilize
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 23
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Tear Down and Inspection
NASA Sensitive But Unclassified (SBU)
Silicate
Blockage
Unused Drum
for Comparison
Corroded Braze Joint
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Conclusions
Water impacts human health and safety in space
Hardware developers need help defining WHAT water
quality is required for their hardware
Water recovery enables American’s future space
exploration
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 25
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QUESTIONS
Thank you
8/12/14 Separation Science and Technology as a Convergence Platform
for SusChEM 26