NASA NTRS · 20020087779
Water Filters
Abstract
A compact, lightweight electrolytic water filter generates silver ions in concentrations of 50 to 100 parts per billion in the water flow system. Silver ions serve as effective bactericide/deodorizers. Ray Ward requested and received from NASA a technical information package on the Shuttle filter, and used it as basis for his own initial development, a home use filter.
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1987-01-01. Water Filters. https://ntrs.nasa.gov/citations/20020087779
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