ultra filtration
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noun
engineering filtration that removes particles less than 10 microns (10 –6 m) in diameter
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Example sentences from the Web for ultra filtration
Ultrafiltration membranes remove more than 99 percent of bacteria, molds, and spores from drinking water, and can be used at home.
Medical definitions for ultra filtration
ultrafiltration
[ ŭl′trə-fĭl-trā′shən ]
n.
The filtration of a colloidal substance through a semipermeable medium that allows only small molecules through.
The American Heritage® Stedman's Medical Dictionary
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