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Urine Stabilization and Toilet Improvement

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Description

Recent events have shown the need for a simple, reliable urine stabilization method, along with a rethink of how NASA designs a space toilet. Promising results from a urine stabilization through resin test have opened a resin bed as a urine stabilization capability. The project would seek to expand the resin bed urine filtration testing and capabilities to figure out integration into Lunar systems. It would look at stabilization capabilities for short duration missions with urine storage, but also if a resin based toilet solution is possible. It would explore if, through a multi staged resin system, potable water could be created from raw urine.

Benefits

If effective results are shown, a few hundred pounds of resin could replace approximately 1400 pounds of potable water for a 4 crew, 30 day mission through recycling. The system would cut down on significant launch mass if successful in consumable water usage by utilizing a short term regeneration system. The following KPPs are targeted: 1. Per NASA-STD-3001 V2: Bacterial Count < 50 CFU/ml, No detectable Coliform Bacteria per 100 ml, No detectable Fungal Count per 100 ml, and No detectable Parasitic Protozoa (e.g., Giardia and Cryptosporidium). 2. Conductivity: <1000 μS/cm (EPA recommendation) 3. Total Microbial growth: <50 CFU/ml

Details

Technology areaHuman Health, Life Support, and Habitation Systems > Environmental Control and Life Support Systems and Habitation Systems
ProgramAgency Independent Research and Development (A-IRAD)
Lead organizationMarshall Space Flight Center, Huntsville, AL
Start date2026-10-01
End date2027-09-30

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How to get involved

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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