Over 200 days of continuous testing have been completed on an integrated waste management-water recovery system developed by General Electric under a jointly funded AEC/NASA/AF Contract. The 4 man system provides urine, feces, and trash collection; water reclamation; storage, heating and dispensing of the water; storage and disposal of the feces and urine residue and all of other nonmetallic waste material by incineration. The heat required for the 1200 deg F purification processes is provided by a single 420-w radioisotope heater. A second 836-w radioisotope heater supplemented by 720 w of electrical heat provides for distillation and water heating. Significant test results are no pre-or-post treatment, greater than 98 percent potable water recovery, approximately 95 percent reduction in solids weight and volume, all outflows are sterile with the water having no bacteria or virus, and the radioisotope capsule radiation level is only 7.9 mrem/hr unshielded at 1 m (neutrons and gamma).
Integrated Water and Waste Management System for Future Spacecraft
A. L. Ingelfinger,
A. L. Ingelfinger
Life Support, Code MMV, NASA Headquarters, Washington, D. C.
R. W. Murray
Environmental Engineering, General Electric Co., Valley Forge Space Center, Pa.
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Ingelfinger, A. L., and Murray, R. W. (February 1, 1975). "Integrated Water and Waste Management System for Future Spacecraft." ASME. J. Eng. Ind. February 1975; 97(1): 224–227. https://doi.org/10.1115/1.3438542
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