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semipermeable membrane
(redirected from Semi-permeable membrane)

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semipermeable membrane [¦sem·i′pər·mē·ə·bəl ′mem‚brān]
(physics)
A membrane which allows a solvent to pass through it, but not certain dissolved or colloidal substances.
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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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