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Reverse Osmosis Water Units

What is "reverse osmosis"?

Reverse osmosis is the process of allowing water to pass through a semi-permeable membrane but prevents dissolved particles from passing through.  In a water purification system, the pure water is separated from contaminated water.

How does it work?

With a reverse osmosis system, raw tap water flows through different filters and a semi-permeable membrane.  The first sediment filter removes dirt, rust and other sediment.  The second carbon filter removes 98% of the chlorine and organic chemicals.  The last stage of the process is the reverse osmosis membrane which will separate 70-99% of the dissolved contaminates from the water molecules.  The contaminates are then washed down the drain.  The pure water is stored in a 2.5 gallon tank.  Inside the tank is a balloon like rubber diaphragm pre-charged with 6 psi of air.  As the tank fills, the air pressure increases and pressurizes the water so that it flows to the faucet without a pump.  The faucet is installed on the kitchen counter or the sink.  It is a dual action faucet offering intermittent or continuous flow.

For more information contact Robin at inger@rcec.org or call 356-4491.