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semipermeable membrane
(redirected from Semi-permeable membrane)

    Also found in: Medical, Encyclopedia, Wikipedia 0.02 sec.
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Noun1.semipermeable membrane - a membrane (as a cell membrane) that allows some molecules to pass through but not others
cell membrane, cytomembrane, plasma membrane - a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell; "all cells have a cell membrane"
tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
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Water passes through the semi-permeable membrane that will only allow clean water to flow through while trapping contaminants and not allowing them to pass through the membrane's filter.
Portable Reverse Osmosis System for Pure Great Tasting Water by Chris Tracey / Food/cooking/nutrition community
This is not really a filtration mechanism in the truest sense of the words, as the semi-permeable membranes used in RO do not have pores.
Industrial Water Filtration - Choosing Water Filtration Options for ... by Layne Christensen / Business community
Using a new twist on an old technology, the engineers are employing "forward osmosis," which exploits the natural diffusion of water through a semi-permeable membrane.
Energy-efficient water purification system made possible by scientists by Asian News International
 
 
 
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