An experimental program was conducted to determine the feasibility of using membrane permeation for the reclamation of potable water from human urine. On the basis of favorable results obtained in the feasibility study, a laboratory-model urine reclamation system was built. Model components selected were theoretically capable of operating in a zero-gravity environment to recover 5000 milliliters of water per 24-hour period. The laboratory model weighs about 128.5 pounds, has a total component volume of about 2.0 cubic feet, and requires approximately 262 watts of power to operate. Energy requirement of the system is about 4.4 kilowatt hours per 5000 ml of product. Excellent quality water is obtained from the system, using raw human urine as the feed source. Yields are above 85. Author
Final rept. for May 63-Apr 64,
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