NASA Ames Water Recycling Technology Development Michael Flynn NASA Ames Research Center Advanced Life Support Objective: Keep Astronaut alive Provide habitable environment Reduce Cost International Space Station MIR ISS Mars Outputs Inputs Waste Water Water Oxygen Carbon Waste Dioxide Collection Volatile Temperature Organics Control Solid Pressurized Wastes Environment Heat Energy Life Support Requirements Open-loop life support system re-supply mass Water 89% Oxygen 2.5% Food (dry) 2.2% Crew Supplies 2.1% Gases lost to space 2.1% Systems Maintenance 2.1% ISS US Water Processing Assembly Wastewater is recycled  using distillation, adsorption, and oxidation. Urine, hygiene, and  condensate are recycled to drinking water. ISS US Water Processing Assembly Wastewater is recycled  using distillation, adsorption, and oxidation. Urine, hygiene, and  condensate are recycled to drinking water. Concept to Practice It is one thing to talk about what could be done but entirely another to make it work