Development of a Two-Stage Membrane-Based Wash-Water Reclamation Subsystemby S. B. McCray, Bend Research Inc, United States,
D. D. Newbold, Bend Research Inc, United States,
R. J. Ray, Bend Research Inc, United States,
Abstract: A two-stage membrane-based subsystem was designed and constructed to enable the recycle of wash waters generated in space. The first stage is a fouling-resistant tube-side-feed hollow-fiber ultrafiltration module, and the second stage is a spiral-wound reverse-osmosis module. Throughout long-term tests, the subsystem consistently produced high-quality permeate, processing actual wash water to 95% recovery.
Subject Headings: Water reclamation | Membranes | Recycling | Filtration
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