Separation Technology of On-Orbit Liquid and Excrement (STOOLE)

Future exploration and planetary missions will generate large quantities of fecal matter which contain 75% water by mass which is currently not recovered onboard the ISS.nbsp; The matter is not biologically stabilized and requires disposal within impermeable containers. Quantified, this represents as much as 680kg for a 1,000-day long-duration human exploration mission.nbsp; STOOLE allows the recovery of this water in concert with the traditional ECLSS and the high-level of feces dehydration will limit ongoing biological risks.nbsp;STOOLE also improves the overall logistics of long-duration and planetary exploration by eliminating the disposable Universal Waste Management System (UWMS) canisters and bags and replacing them with a reusable canister and potentially up-cycleable expanded PTFE bags that can be fused into useful end products or allow the solid waste to be likewise upcycled as filler and reinforcement of 3D printed objects. On a long duration mission or stay, this upcycling allows the waste to be used to create useful products to outfit habitation modules, and/or repurpose storage areas that used to contain the food and other consumables that led to the waste.