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A membrane-based subsystem for very high recoveries of spacecraft waste watersThis paper describes the continued development of a membrane-based subsystem designed to recover up to 99.5 percent of the water from various spacecraft waste waters. Specifically discussed are: (1) the design and fabrication of an energy-efficient reverse-osmosis (RO) breadboard subsystem; (2) data showing the performance of this subsystem when operated on a synthetic wash-water solution - including the results of a 92-day test; and (3) the results of pasteurization studies, including the design and operation of an in-line pasteurizer. Also included in this paper is a discussion of the design and performance of a second RO stage. This second stage results in higher-purity product water at a minimal energy requirement and provides a substantial redundancy factor to this subsystem.
Document ID
Document Type
Conference Paper
Ray, Roderick J.
(Bend Research, Inc. Bend, OR, United States)
Retzlaff, Sandra E.
(Bend Research, Inc. Bend, OR, United States)
Radke-Mitchell, Lyn
(Bend Research, Inc. Bend, OR, United States)
Newbold, David D.
(Bend Research, Inc. OR, United States)
Price, Donald F.
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1986
Subject Category
Man/System Technology And Life Support
Report/Patent Number
SAE PAPER 860984
Accession Number
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