What is the membrane and how does it work?

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The membrane (the P-RO vessel) consists of several thin layers or sheets of film that are bonded together and rolled in a spiral configuration around a plastic tub. The material of the membrane is semipermeable : it allows water molecules pass through while acting as a barrier to dissolved solids (i.e.: mineral chemical contaminants). When the feed water stream passes across the surface of the membrane, the P-RO molecules penetrate the membrane surface, working their way around the spiral and collecting in the center tube. The remaining contaminants are concentrated and washed from the surface of the membrane down the drain.

Posted in: P-RO Reverse Osmosis System

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