Development of a Two-Stage Membrane-Based Wash-Water Reclamation Subsystem
by S. B. McCray, Bend Research Inc, United States,D. D. Newbold, Bend Research Inc, United States,
R. J. Ray, Bend Research Inc, United States,
Document Type: Proceeding Paper
Part of: Engineering, Construction, and Operations in Space
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 | Water treatment | Membranes | Space life support systems | Filtration | Recycling | Osmosis
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